50results about How to "Extended preparation time" patented technology

A system and method for automatically reusing document text (e.g. repeated phrases or lists) in a newly created document having a predetermined document type (e.g. medical record). The present invention determines whether business rules exist for the predetermined document type associated with the newly created document. If business rules for the predetermined document type exist, the present invention determines whether the user has previously requested document text reuse for the newly created document. If the user has not previously requested document text reuse for the newly created document, the present invention selects document text from one or more stored documents in accordance with the business rules for the predetermined document type corresponding to the newly created document. The present invention then automatically inserts the selected document text into the newly created document.

Provided are a rubber latex used as a substrate for an impact modifier, a preparation method thereof, and an impact modifier prepared using the rubber latex. The rubber latex includes a rubber monomer as a main component and has a decreasing gel content from a core to a shell(s). The preparation method includes polymerizing a core followed by polymerization of a shell(s) has a lower gel content that the core. The impact modifier is prepared by common graft polymerization using the rubber latex as a substrate. The rubber latex has a high gel content core and a low gel content shell (s), and thus, is free from problems involved in low or high gel content rubber particles. The rubber latex can be used as a substrate for a high efficiency impact modifier with high rubber content and enhanced impact strength and processability.

The invention relates to a design of an emergency oil discharging system of a plane, particularly to a residual-oil discharging system and an oil discharging method of an emergency oil discharging header pipe. The residual-oil discharging system and the oil discharging method are disclosed so as to solve the residual-oil discharging problem of an emergency oil discharging header pipe, and to avoid the mixing of oil in oil tanks caused by a leakage discharge valve. The discharging system comprises the emergency oil discharging pipe header pipe, a leakage discharge valve and a floater, wherein the emergency oil discharging header pipe is arranged between a first oil tank and a second oil tank, are communicated with a first emergency oil discharging pump and a second emergency oil discharging pump respectively, and are connected with a cut-off valve; the leakage discharge valve is arranged at the lowest position of the emergency oil discharging header pipe in the second oil tank, and is positioned at the upstream of the cut-off valve; the floater is arranged at an outlet at the bottom of the leakage discharge valve, and is used for sealing and blocking the leakage discharge valve. According to the invention, the leakage discharge device is simple in structure; by the use of the leakage discharge device, the residual oil of the oil discharging header pipe of the plane can be conveniently discharged, so that the adverse influences, such as pump power increase, efficiency decrease, weight increase and the like, caused by reduction of forward leakage of an emergency oil discharging pump, are avoided, and the adverse influence of mixing of oil from different oil tanks and plane preparation time prolongation due to employment of a common leakage discharge valve is avoided.

A utensil or tool specifically adapted for manually slicing ripened plantains, overcoming the previous method of a single blade knife, producing one slice at a time. The plantain slicer includes a frame which encompasses an area generally conforming to the shape and size of a typical plantain as well as other similar shaped vegetables and fruits. The frame has two opposing arched longitudinal sides which are interconnected with a multitude of spaced, substantially parallel arranged ribs, set at a diagonal. The ribs are sufficiently thin to cut diagonally through a pealed ripened plantain, vegetable and fruit. The user will have the ability to grasp the utensil by the handles which are located at each end of the frame and slice through the plantain by pushing down. The end result is uniform diagonal slices in one single action, allowing for even cooking. Openings in the handles permit the hanging of the utensil for storage.

The invention relates to a 8K and 32K cam conversion regulation device for a roll paper folding machine. A guide rod is arranged on a front wallboard in a sliding manner; the front end part of the guide rod is fixedly provided with a bracket; the bracket is provided with a regulating screw hole; the inside of the regulating screw hole is in threaded connection with a regulating screw; the regulating screw is in threaded connection with a lock nut; the front wallboard is fixedly provided with a bearing end cover; thrust bearings are arranged on the regulating screw at both sides of the bearing end cover; a tooth cam chair is arranged on a 32K roller spindle; the tooth cam chair is fixedly provided with a 32K folding knife cam, a gripper loosening cam and a 32K gripper clamp cam; the gripper loosening cam is arranged between the 32K folding knife cam and the 32K gripper clamp cam; a rotating frame in the front wallboard is provided with a regulating gear shaft; a set screw is fixedly arranged on the front wallboard; and a compression block is fixedly arranged on the front wallboard. According to the invention, preparation time in the specification conversion process is greatly prolonged, production efficiency is improved and regulation operation is very convenient to carry out.

The invention discloses a lead screw bearing block alignment method. A dial indicator frame is arranged at the position, close to a screw nut base, on a workbench, a machine tool is started, and the workbench records the read number of a pointer on the screw nut base; adjustment is conducted according to the record, the dial indicator frame is adsorbed to a lathe bed, and the pointer of a dial indicator makes contact with the surface of a nut base or the screw nut base to be adjusted; a fastening screw at the to-be-adjusted part is loosened, and the fastening screw is moved through a jack or a crowbar; when the deflection distance and the earlier-stage measuring value are the same, the fastening screw at the part is fastened; adjustment is conducted in the vertical direction, the fastening screw at the to-be-adjusted part is loosened according to the earlier-stage measuring result, and a gasket is additionally arranged to the position below the fastening screw and fastened; and the machine tool is started for rechecking. According to the lead screw bearing block alignment method, few earlier-stage preparing tools are adopted, and detection can be conducted only by preparing the ordinary dial indicator and the dial indicator frame; no requirement exists for the distance between a guide rail and a lead screw; influences from lead screw deflection are weak, and the state of the detection process and the state in the actual machine tool usage process are the same; and the influences on the measuring range from the screw nut base are weak.

The invention discloses a high-speed railway ballastless track mortar layer horizontal drilling machine tool which comprises an articulation fixed base I (6), a motor left end fixing rack (7), a motor (8), a motor right end fixing rack (9), a driving wheel (10), a driving band (11), a rotating handle (12.1), a driven wheel (14), a drill stem fixing rack (15), an articulation fixed base II (16), a drill rod (17), a bracket (18) and a sliding rod (19). The high-speed railway ballastless track mortar layer horizontal drilling machine tool can be used for horizontally drilling a mortar layer by use of a limited construction space under the condition of not greatly changing a railway major structure, thereby providing a guarantee for subsequent construction and achieving the purpose of correcting a track plate; when in operation, the high-speed railway ballastless track mortar layer horizontal drilling machine tool has the characteristics of simple structure, short readiness time, convenience in operation and control, no region restriction and the like, can be used for performing horizontal drilling operation on the mortar layer under the condition of not damaging major structures, such as the track plate, the base and a bridge, and is capable of improving the stability in operation.

The present invention provides a probe assembly, a grinding device which applies the elongated strip of the probe assembly and a method for grinding the elongated strip. According to the invention the probe assembly has the advantages of restraint to the electrostatic breakage of the elongated strip or the bad effect of the pollution, shortened preparing time and easy orientation between the probe and the electrode contact. The probe assembly related to by the invention comprises a probe which can do elastic bending deflection, and a braking member which provides bending deflection to the probe to generate a first bending deflection D1 at the front end part and prevents that the bending deflection at the front end part is less than the first bending deflection D1 and at the same time keeps the front end part in the first bending deflection D1, wherein, the front end part of the probes contacts with the electrode contact arranged on the surface except the grinding surface of the elongated strip by receiving a second bending deflection which has a direction same to that of the first bending deflection D1 and is larger than the first bending deflection D1 thereby establishing an electric connection between the probe and the electrode contact.

The invention discloses electronic equipment, and belongs to the technical field of communication. The electronic equipment comprises a first shell, a second shell, a supporting plate, a transmission assembly and a screen, the first shell and the second shell form a containing cavity, the second shell is in sliding fit with the first shell, the screen is arranged on the first shell and the second shell, and the supporting plate and the transmission assembly are arranged in the containing cavity. The transmission assembly comprises a cam and a transmission part. The transmission part is fixedly connected with the first shell, the transmission part is connected with the cam, the cam is connected with the supporting plate, in the moving process of the second shell and the first shell, the transmission part drives the cam to rotate, and the cam drives the supporting plate to move between the first position and the second position; under the condition that the supporting plate is located at the first position, the supporting plate abuts against the screen to support the screen; and under the condition that the supporting plate is located at the second position, the second supporting part retracts to the containing cavity. According to the scheme, the problem that the screen cannot be effectively supported under the condition that a display area is increased can be solved.

A system (100, 200, 300, 400, 500) consuming energy provided from a battery (105, 205, 305, 405, 505) including a first power source (105A, 205A, 305A, 405A, 505A) and a second power source (105B, 205B, 305B, 405B, 505B). It may include an energy transferring circuit (120, 320, 420, 520). The energy transferring circuit (120, 320, 420, 520) transfers power of at least one of the first and second power sources (105A, 205A, 305A, 405A, 505A, and 105B, 205B, 305B, 405B, 505B) to the other of the first and second power sources (105A, 205A, 305A, 405A, 505A, and 105B, 205B, 305B, 405B, 505B). The first power source (105A, 205A, 305A, 405A, 505A) is arranged to provide power for at least one high dynamic power operation that instantaneously consumes large currents. The second power source (105B, 205B, 305B, 405B, 505B) is arranged to provide power for at least one static / medium power operation. The first power source (105A, 205A, 305A, 405A, 505A) and the second power source (105B, 205B, 305B, 405B, 505B) are supplying the system (100, 200, 300, 400, 500) simultaneously.

The invention discloses a connecting method for a novel mixed bioartificial liver system. The novel mixed bioartificial liver system comprises blood treatment equipment with an input end, an output end and a plasma dividing end, a bioreactor with an upper end opening and a lower end opening opposite to the upper end opening, and a circulating tube for enabling the blood treatment equipment and the bioreactor to be communicated and connected. The upper end opening and the lower end opening are used for pouring a culture medium. Connecting of the circulating tube comprises the steps of mounting and exhausting, and according to the connecting sequence of the circulating tube, an artery tube communicated with the input end of the blood treatment equipment is connected, a vein tube communicated with the output end of the blood treatment equipment is connected, a plasma dividing tube between the plasma dividing end of the blood treatment equipment and the bioreactor is connected, a reactor tube of the bioreactor is connected, and a plasma return tube between the bioreactor and the vein tube is connected. The connecting method is easy and convenient to operate, the sealing performance among the tubes is good, and clinical application is facilitated.

The invention provides a weld joint heat treatment robot and a control method and system of the weld joint heat treatment robot, and relates to the technical field of weld joint heat treatment. The robot comprises a movement mechanism, a weld joint tracker, an adjusting mechanism and a heat treatment mechanism. The adjusting mechanism is arranged on the movement mechanism, and the movement mechanism is suitable for moving relative to a weld joint. The weld joint tracker and the heat treatment mechanism are arranged on the adjusting mechanism, the weld joint tracker is used for detecting the position deviation value from the weld joint, and the adjusting mechanism is suitable for adjusting the position of the heat treatment mechanism according to the deviation value so that the heat treatment mechanism can directly face the weld joint to conduct heat treatment on the weld joint. By means of the above arrangement, when the weld joint heat treatment robot advances in the extension direction of the weld joint, the weld joint heat treatment robot can automatically conduct heat treatment on the weld joint, long early-stage preparation time is not needed in the heat treatment process, safety is high, and operation efficiency is high.

The invention discloses a multi-station vertical machining center four-axis hydraulic clamp which comprises a rotary working table mounted on a machine tool working table, wherein positioning and clamping components and pre-positioning components are mounted on the rotary working table; and one pre-positioning component is connected between every two adjacent positioning and clamping components and is connected between the rotary working table and the adjacent positioning and clamping component. According to the multi-station vertical machining center four-axis hydraulic clamp, a workpiece isvertically placed, three points in a workpiece four-position technological positioning face are utilized to construct a Y-axis positioning face to realize limitation of six degrees of freedom; in addition, an auxiliary support is arranged to improve the processing stability; and a spring positioning pin component is adopted to determine the positions of the workpiece in X-axis and Z-axis, and clamps are arranged at corresponding positions of a positioning point and an auxiliary support point to clamp the workpiece.

The invention relates to a method for determining the starting opportunity for emergency releasing of a deepwater drilling riser. The method comprises the following steps of determining a weak component and a releasing position D1 of an offshore drilling platform; determining a time point t1 when the drilling riser of the offshore drilling platform is released; determining time t2 for transmitting a surface wave-current load to the weak component; determining execution time t3 for completing the emergency releasing action of the offshore drilling platform and calculating a time point t1+t2-t3 after the offshore drilling platform drifts and the corresponding drifting distance D2 of the offshore drilling platform; determining a time point t4 for preparing releasing starting of the offshore drilling platform, calculating a time point t1+t2-t3-t4 after drifting of the offshore drilling platform and the corresponding drifting distance D3 of the offshore drilling platform, and calculating a time point t1-t4 after drifting of the offshore drilling platform and the corresponding drifting distance D4 of the offshore drilling platform; and finally determining the starting opportunity for releasing of the drilling riser of the offshore drilling platform.

The invention discloses a quasi-static test method of a dynamic index of a gravity unloading device. The method includes the following steps of firstly, calculating a transfer function matrix; secondly, dividing the structure of a gravity unloading control system, and reserving a signal port w; thirdly, calculating H(s); fourthly, discretizing the H(2) to obtain H(z), compiling a program, obtaining the H(z), and assigning the H(z) to uc; fifthly, compiling a test signal generator with an input function di; sixthly, connecting with the gravity unloading device for testing; seventhly, setting vto be equal to 0, setting a parameter tensile force instruction r to be working tensile force, and making the gravity unloading device enter a force constant working state; eighthly, sending out an instruction and exciting the system to operate; ninthly, processing data to obtain a to-be-estimated system performance index; tenthly, evaluating errors. No special movement generating device is used,and the dynamic index can be tested under the quasi-static conditions.

The invention discloses a liquid medicine mixing device and a liquid medicine mixing and water supplementing system. The liquid medicine mixing device comprises: a liquid medicine tank, wherein the top of the liquid medicine tank is provided with a liquid medicine inlet, a water supplementing port and a liquid medicine circulating inlet, and the bottom of the liquid medicine tank is provided witha liquid medicine outlet; a liquid medicine supply pipeline, wherein the outlet end of the liquid medicine supply pipeline is connected with the liquid medicine inlet, the inlet end is connected witha liquid medicine supply end, and a first valve is arranged on the liquid medicine supply pipeline; a water supplementing pipeline, wherein the outlet end of the water supplementing pipeline is connected with a water supplementing port, the inlet end is connected with a water supplementing end, and a second valve is arranged on the water supplementing pipeline; a liquid medicine output pipeline, wherein the inlet end of the liquid medicine output pipeline is connected with a liquid medicine outlet, the outlet end is connected with a product cleaning end, and the liquid medicine output pipelineis provided with a circulating pump and a third valve and located on the downstream of the circulating pump; a liquid medicine mixing pipeline, wherein the inlet end of the liquid medicine mixing pipeline is communicated with the liquid medicine output pipeline between the circulating pump and the third valve, the outlet end of the liquid medicine mixing pipeline is communicated with the liquid medicine circulating inlet, and a liquid medicine mixing element is arranged on the liquid medicine mixing pipeline; and a concentration detection unit used for detecting the concentration of the liquid medicine in the liquid medicine tank. Sufficient mixing of the water-supplemented cleaning liquid medicine can be realized.

The invention discloses a diesel engine variable injection timing adjusting device which comprises an installation frame, an oblique tooth connection shaft, an adjusting inner gear ring, a timing gear, a hydraulic executing mechanism, a controller and an adjusting inner gear ring mobile scale. The installation frame is located on the top of a machine frame of a diesel engine, one end of the oblique tooth connection shaft is supported in one end of the installation frame, one end of a cam shaft is fixedly connected with one end of the oblique tooth connection shaft, the other end of the obliquetooth connection shaft is engaged with the adjusting inner gear ring, one end of the adjusting inner gear ring is supported in one end of the installation frame, the timing gear is fixed to the otherend of the adjusting inner gear ring, one end of a piston rod of the hydraulic executing mechanism is fixedly connected with the other end of the adjusting inner gear ring through multiple adjustingscrews, two cavities of a hydraulic cylinder barrel are connected with an electromagnetic reversing valve, signal lines at the two ends of the electromagnetic reversing valve are connected with a controller, and the adjusting inner gear ring mobile scale is arranged outside one end of the executing mechanism. The diesel engine variable injection timing adjusting device is high in integration degree, compact in structure, safe, reliable, capable of carrying out active adjusting under overall working conditions, and capable of being conveniently added to the diesel engine.

The invention provides a semiconductor device chip structure and a preparation method thereof. The preparation method of the semiconductor device chip structure comprises the steps of forming a photoresist mask on a semiconductor epitaxial wafer, and developing after exposure to form a periodic structure; etching to remove part of the epitaxial layer without a photoresist masking area, and forming a ridge-shaped mesa structure on the semiconductor epitaxial wafer; depositing an electrical insulation dielectric layer on the surface of the semiconductor epitaxial wafer with the ridge-shaped mesa structure; removing the electrical insulation dielectric on the ridge-shaped mesa, and manufacturing a current injection window; and forming a P-type electrode and an N-type electrode on the semiconductor epitaxial wafer so as to complete the preparation of the semiconductor device chip structure. The semiconductor device chip structure and the preparation method thereof simplify the preparation process of the semiconductor device and improve the preparation time efficiency under the premise of ensuring good device performance.

The invention relates to an explosion-proof and flame-retardant vehicle cover for an electric vehicle. The explosion-proof and flame-retardant vehicle cover for the electric vehicle comprises a flexible metal met and heat insulation layers, wherein the heat insulation layers are designed on the upper and lower surfaces of a flexible heating element; and waterproof flame-retardant fabric layers arearranged on one surfaces, far away from the flexible heating element, of the heat insulation layers. The explosion-proof and flame-retardant vehicle cover for the electric vehicle has the advantagesthat the explosion-proof strength of the vehicle cover is reinforced by using the flexible metal net; as the flame retardance of the heat insulation layers is extremely strong and the externally coated flame-retardant fabric layers are also adopted, the flame retardance of the vehicle cover is greatly enhanced; if the electric vehicle in a vehicle shed is covered by the explosion-proof and flame-retardant vehicle cover, the electric vehicle cannot be damaged by other electric vehicles on fire; if the electric vehicle covered by the explosion-proof and flame-retardant vehicle cover is on fire,the fire spreading is also slowed due to the protection of the vehicle cover so as to prolong the preparation time for fire extinguishing and reduce the destruction of the fire.

The invention discloses an imitated Wukang (Chinese character) ancient stone formula and a preparation technology thereof. The imitated Wukang ancient stone formula is prepared from the following raw materials in parts by weight: 200-350 parts of graphite, 180-320 parts of water, 250-500 parts of ore sand, 400-700 parts of building stones, 30-60 parts of unsaturated polyester resin, 25-35 parts of a pigment, 35-50 parts of a cement additive and 15-45 parts of a cement admixture. The preparation method comprises the following steps of (1) preparing a mold; (2) preparing a surface material; (3) preparing a first base material; (4) preparing a second base material; (5) carrying out compression molding; (6) carrying out demolding and maintaining; and (7) polishing and grinding. The preparation method is simple and high in production efficiency; meanwhile, the prepared imitated Wukang ancient stone is good in quality, high in strength and good in economic benefit; and steps and courtyards paved by adopting the imitated Wukang ancient stone are quiet, elegant and long in service life.

The invention discloses a monitoring apparatus for a school. The monitoring apparatus comprises a master control system, an infrared detection device, an alarm circuit, a GPRS module and a mobile terminal, wherein the master control system is used for receiving and processing signals transmitted by the infrared detection device and then transmitting the processed signals to the alarm circuit and the GPRS module; the infrared detection device is used for detecting heating signals of school electric power equipment and transmitting acquired signals to the master control system; the GPRS module is used for receiving the signals transmitted by the master control system and transmitting the signals to the mobile terminal; the mobile terminal is used for receiving the signals transmitted by the GPRS module for users to check; and the alarm circuit is used for receiving the signals transmitted by the master control system and giving an alarm or not acting according to the signals. According to the invention, by use of a GPRS technology, parents can know real-time conditions of a monitoring end through the mobile terminal at any time.

The invention provides a method for automatically generating a scanning area in a CT system. According to the method, firstly, images of patients on a CT sickbed are collected in real time, then scanning area rapid extraction and classification are conducted on the collected images through a pre-trained scanning area segmentation model, and an operator only needs to select an area needing to be scanned to control a CT system to scan the selected area. According to the invention, the workload of operators is fully reduced, inaccurate scanning area selection caused by human subjective factors can be avoided, the preparation time before scanning is shortened, and low scanning data accuracy caused by the fact that a patient difficultly keeps a specified scanning posture due to too long waitingtime is avoided.

A multifunctional early warning system capable of reinforcing school safety management, disclosed by the present invention, comprises a main control system, a face identification system, an alarm circuit, a GPRS module and a mobile terminal. The main control system is connected with the face identification system, the alarm circuit and the GPRS module separately, the GPRS module is also connected with the mobile terminal. The main control system is used to receive and process a signal transmitted by an infrared detection device and then transmit the processed signal to the alarm circuit and the GPRS module; the face identification system is used to detect and analyze a face signal and then transmit the signal to the main control system; the GPRS module is used to receive the signal transmitted by the main control system and transmit the signal to the mobile terminal; the mobile terminal is used to receive the signal transmitted by the GPRS module and is used for users to check; and the alarm circuit is used to receive the signal transmitted by the main control system and alarm or does not act according to the signal. According to the present invention, and by a GPRS technology, the parents can know the real-time situation of a monitoring terminal at any time via the mobile terminal.

The invention provides a global route thermodynamic diagram generation method and system. The method comprises the steps of: collecting ship AIS historical navigation data and port data, and removing abnormal data in the AIS historical navigation data; extracting coordinate point information sorted according to time from the cleaned AIS historical navigation data, removing useless coordinate point information, and reserving coordinate point information of key nodes; performing sparse processing on the residual AIS historical navigation data by using an SAS algorithm, and inserting the coordinate point information of the key nodes into a sparse result according to a time sequence to obtain route trajectory data close to reality; finally drawing by adopting a fragment drawing mode according to the restored route trajectory data; after drawing is completed, transmitting the drawn picture back to a main node, which carries out image splicing and completes image drawing. The data preparation time and the data drawing time of route drawing are greatly shortened, and therefore data processing is completed in a shorter time.

The invention discloses a staggered-type adapter used for mounting a lever-type sensor on a pressure vessel. The staggered-type adapter comprises a core rod arranged in a testing hole in the pressure vessel; a notch is formed in the wall of the testing hole in the pressure vessel; a staggered pawl extended into the pressure vessel from the notch and tightly fitted with the inner top wall of the pressure vessel after rotation is arranged at the lower end of the core rod; a compression nut used for locking the position of the staggered pawl sleeves the core rod, and is arranged above the pressure vessel; a through hole, through which the lever-type sensor penetrates and extends into the pressure vessel, is formed in the core rod. The staggered-type adapter adopts a staggered-type mechanical connection manner, so as to realize effective connection between the staggered-type adapter and the pressure vessel; moreover, the preparation time for mounting of the staggered-type adapter is short; the mounting and the demounting are convenient; the staggered-type adapter can be utilized repeatedly; safety accidents caused by a welding manner can be avoided.

The invention relates to a fire-resistant-1100 DEG C mineral low-voltage cable and a preparation method thereof; the fire-resistant-1100 DEG C mineral low-voltage cable comprises a plurality of conductors, the plurality of conductors are annularly distributed, the outer side of each conductor is sequentially provided with a fire-resistant wrapping tape and an insulating layer, the outer sides of the plurality of conductors are provided with a first wrapping tape, and alkali-free glass fiber filling ropes are filled between the first wrapping tape and the conductors. An oxygen barrier layer, afireproof layer and a second wrapping tape are sequentially arranged on the outer side of the first wrapping tape, the first wrapping tape and the second wrapping tape are alkali-free glass fiber tapes, and an outer sheath is arranged on the outer side of the second wrapping tape. The cable is excellent in fireproof effect, slow in combustion and low in release, and heat dissipation of the cable and improvement of the current-carrying capacity are facilitated.

The invention discloses a dried alum calcining device and method and belongs to the technical field of traditional Chinese medicine processing. The dried alum calcining device comprises a housing, a treatment chamber, a heating unit, a thermal insulation unit and a temperature control unit. The treatment chamber, the heating unit, the thermal insulation unit and the temperature control unit are arranged outside the housing. The treatment chamber is located at the upper part in the housing. The heating unit is located at the bottom of the treatment chamber. The thermal insulation unit is located at the peripheries of the treatment chamber and the heating unit. The temperature control unit comprises a temperature senor, a display screen and control buttons. The temperature sensor is electrically connected to the display screen and the control buttons. The invention also discloses a dried alum calcining method. Through the device and method, calcining efficiency is improved by 2 times or more, an artificial cost is reduced by 68% or more, product colors are uniform, product quality is stable and the device and method are environmentally friendly.