855 results about "Storage tube" patented technology

A removable butt stock with a curved and rounded butt plate for use in the tactical fighting position is disclosed. The removable butt stock has a single orientation two position release lever for ease of adjustment and removable of the butt stock from the buffer tube of the tactical weapon, ribs incorporated into the receiver bore to reduce drag during insertion of the buffer tube, and anti-rattle springs to securely attach the butt stock to the buffer tube. The body of the butt stock has an angled cheek weld to allow the user to comfortably align the eye on the weapon in the tactical firing position. The butt stock also includes two storage tubes with cam caps designed to be easily removable by twisting in a cam motion up the beveled mouth of the storage tube.

A tube picking mechanism is designed for use in an automated, ultra-low temperature (e.g. −80° C. or −135° C.) or cryogenic (e.g., about −140° C. to −196° C.) storage and retrieval system that stores biological or chemical samples. The samples are contained in storage tubes held in SBS footprint storage racks that are normally stored within an ultra-low temperature or cryogenic freezer compartment. The tube picking mechanism includes a tube picking chamber that is maintained at about −80° C., about −135° C. or at cryogenic temperatures in cryogenic applications. Active electrical and mechanical components are maintained in a compartment above and separate from the refrigerated, ultra-low temperature or cryogenic compartment. Thermal stratification inhibits heat transfer into the lower, ultra-low temperature or cryogenic compartment in which tube picking occurs from the upper compartment in which active electrical and mechanical components are located, and also inhibits heat transfer into the lower, ultra-low temperature or cryogenic compartment via an access door for tube storage racks.

The invention relates to the field of high-throughput screening and particularly relates to an automatic micro-droplet array screening system using method with pico-liter-scale precision. The using method provided by the invention comprises the following steps of: firstly, using liquid with a low thermal expansion coefficient and filled in a liquid driving system and a capillary tube as carrier liquid, and entirely emptying bubbles inside the capillary tube; secondly, soaking a sampling end of the capillary tube in an oil phase sample immiscible with a water phase sample, extracting a section of oil phase sample into the capillary tube, so as to isolate the water phase sample and the carrier liquid; thirdly, soaking the sampling end of the capillary tube into a sample / reagent storage tube and extracting a certain volume of the water phase sample solution into the capillary tube; and finally, moving the sampling end of the capillary tube into the oil phase sample above micro-pores of a micro-porous array chip, and pushing the sample solution in the capillary tube into the micro-pores, so as to form sample droplets. With the adoption of the using method provided by the invention, the liquid is quantitatively measured, and the generated droplets have the pico-liter-scale volume precision, so that the consumption of the samples / reagents in the high-throughput screening can be effectively reduced, and the experiment cost can be saved.

A micropump of a peristaltic type that continuously transfers a fluid through depression of an elastic tube is disclosed. The micropump includes: a tube unit configured to at least include the tube, a tube guide frame that fixedly holds the tube, and a tube individual data storage section that stores therein tube individual data; a control unit that is attachable / detachable to / from the tube unit, and at least includes a control circuit section that drives and controls, via a transmission mechanism section, a motor for driving a depression mechanism section serving to depress the tube, and a tube individual data processing section that reads the tube individual data for data processing thereof; a power supply that makes an electrical supply to the control unit; and a reader / writer unit that detects attachment of the tube unit to the control unit, and reads the tube individual data for writing to the control unit. In the micropump, the tube individual data is used as a basis for driving.

A bellows design collapsible polymeric storage tube. The device incorporates separate flexible plastic disks as segregating spacers that are dropped inside the device creating separate spaces for a plurality of items. The spacers lock into the widest part of the bellows securing them in place. The disks are printable / markable for promotional / informative media and labeling. In a first instance of the bellows receptacle, the collapsible bellows tube consists of two threaded ends and two threaded lids. The lids pop open and have their own separate space(s) that also uses a disk to create a separate segregated compartment. When a lid is empty the top of the lid collapses in upon itself thus saving space when the lid is empty and packed away, likewise the body of the tube collapses and expands as it is filled or emptied of the contents inside in order to save space when it is packed away. In a second instance of the present invention, the bellows receptacle uses a pair of segregating discs with each positioned approximate the top and bottom of the bellows receptacle forming closure for said receptacle. Any number of additional discs can be used to create segregated compartments within said bellow receptacle.

The invention provides a method capable of accurately measuring the thickness of ultrathin workpieces. As the ultrasonic information representing workpiece thickness is extracted by adopting a signal processing method, the invention is suitable for the ultrasonic thickness measurement technique for both ultrathin large-curvature workpieces and common workpieces, and the core of the invention is to perform fast Fourier transform on received echo signals so as to obtain measurement results. An instrument using the method capable of accurately measuring the thickness of ultrathin workpieces consists of a probe part and a host computer part, wherein the host computer part comprises a DSP control module, an ultrasonic transmitting circuit, an ultrasonic signal-receiving circuit, a signal amplification circuit, a gate circuit, a communication interface, an LCD display and a keyboard. The invention has the advantages of suitability for the thickness measurement of both ultrathin large-curvature workpieces and common workpieces, capability of acquiring ultrasonic echo signals in real time, real-time fast Fourier transform, real-time calculation and storage of pipe wall thickness and capability of realizing mechanized automatic measurement.

The invention provides a method for storing mesenchymal stem cells and a method for culturing mesenchymal stem cells. The storing method comprises the following steps of: cutting the umbilical cord into blocks, and putting the blocks into a mixed solution of freezing storage solution and base solution in a volume rate of 1:3 for pretreatment; putting the blocks in the mixed solution of the freezing storage solution and the base solution in a volume rate of 1:1 for treatment at the temperature of 0 DEG C; putting the blocks in the freezing storage solution for treatment at the temperature of 0DEG C; and freeze-storing the blocks in liquid nitrogen. The culturing method is that the stored umbilical cord blocks are used for culture. After babies are delivered, the expensive cell culturing operation of the umbilical cords is not required immediately, the umbilical cords can be directly frozen at the deep low temperature, and the cell activity is not affected. One freezing storage tube can be picked up at any time, the umbilical cords are recovered and successfully cultured and amplified to obtain MSCs, so that the culture operation is not required to be made for each portion of umbilical cord, and the operating cost of the umbilical cord MSCs storage warehouse is greatly lowered.

The siwak tooth cleaning instrument provides a carrying, protecting and application instrument for a siwak stick, to be applied to the user's teeth for cleaning thereof. In some embodiments, the siwak tooth cleaning instrument includes a tubular housing with a siwak that may be selectively and adjustably raised and lowered to extend the siwak from the housing for cleaning one's teeth, and retracted within the housing for storage and transport, similar to a lipstick. In other embodiments, the siwak tooth cleaning instrument has tooth cleaning cartridges including a siwak that releasably engage the head portion of an elongated handle. A cover may be pivotally attached to the handle for covering the handle and attached cartridge, or a storage tube with replacement cartridges may be pivotally attached to the handle.

The invention discloses a device and a method for kinetic study of drilling fluid and natural gas hydrate. The device comprises a gas source, a booster pump, a buffer tank, a reaction kettle and a vacuum pump which are connected in sequence, wherein a pressure adjusting valve is arranged between the gas source and the booster pump; a valve is arranged between the booster pump and the buffer tank; the buffer tank is connected with the reaction kettle through two branches; the pressure adjusting valve and the valve are arranged on the branches respectively; the two branches are joined and connected with the reaction kettle through the valve; two branches are arranged at the output end of the reaction kettle, one branch is connected with the vacuum pump through the valve, and a valve and a back pressure valve are arranged on the other branch respectively; a temperature sensor and a pressure sensor are arranged on the buffer tank and the reaction kettle respectively; a camera storage tube, a conductivity meter, a magnetic stirring paddle and a transparent observation window are also arranged on the reaction kettle; and a stainless steel lining is arranged at the inner side of the reaction kettle. According to the device and the method, the process of conversion of the drilling fluid in the kettle from liquid to hydrate can be conveniently shot and observed, and the change of the liquid resistance in the reaction kettle along with the reaction time can be represented.

A book having a storage tube attached thereto for storage of manipulatives for use with enjoyment of the book is disclosed.

A book having a storage tube attached thereto for storage of manipulatives for use with enjoyment of the book is disclosed.

A threshold voltage distribution of a set of storage elements in a memory device is measured by sweeping a control gate voltage while measuring a characteristic of the set of storage elements as a whole. The characteristic indicates how many of the storage elements meet a given condition, such as being in a conductive state. For example, the characteristic may be a combined current, voltage or capacitance of the set which is measured at a common source of the set. The control gate voltage can be generated internally within a memory die. Similarly, the threshold voltage distribution can be determined internally within the memory die. Optionally, storage elements which become conductive can be locked out, such as by changing a bit line voltage, so they no longer contribute to the characteristic. New read reference voltages are determined based on the threshold voltage distribution to reduce errors in future read operations.

The invention discloses a lead replaceable pencil with bullet pencil lead. A penholder of the lead replaceable pencil is provided with a lead storage tube inside. A spring with a tongue is sleeved outside a front end of the lead storage tube. The lead storage tube is provided with a long slot. A rear end of the long slot is provided with a step. The side opposite to the long slot is provided witha short slot. A front part of the lead storage tube is a single-layer tube, and a rear part of the lead storage tube is a double-layer tube. A buninoid bulge is arranged above the step at the rear end of the long slot. An inner cavity of the penholder and an outer tube of the lead storage tube cannot be relatively rotatably matched so as to prevent the spring tongue from dislocating from the longslot. A rear end of the short slot is provided with a large hole, so that the spring tongue enters the large hole to prevent the pencil lead from retracting. A non-skid limit part is arranged betweenthe lead storage tube and the penholder. Therefore, both the appearance and the performance of the lead replaceable pencil can be accepted by users and the lead replaceable pencil really becomes a substitute product for a wooden pencil.

A system is provided for delivering fasteners to a work station. The system includes at least one fastener storage device than has at least one storage tube. The system additionally includes at least one fastener spacer that is adapted to properly orient at least one fastener stored in the storage tube. The system further includes at least one unloading mechanism that includes at least one extractor catcher. The unloading mechanism is adapted to remove the spacer and the fastener from the storage tube in a single operation.

The invention relates to the technical field of biology and provides freeze-storage liquid of peripheral blood mononuclear cells. The freeze-storage liquid comprises 10 to 12 percent (V / V) of osmotic cryoprotectants, 10 to 14 percent (V / V) of beta-glucan, 8 to 10 percent (V / V) of blood serum or blood plasma and 64 to 72 percent (V / V) of normal saline. The invention also provides a freeze-storage method of the peripheral blood mononuclear cells. The method comprises the following steps that (1) the peripheral blood mononuclear cells are suspended in cell culture liquid to obtain peripheral blood mononuclear cell suspension; (2) the peripheral blood mononuclear cell suspension and the peripheral blood mononuclear cell freeze-storage liquid provided by any one item in the claim 1-5 are uniformly mixed according to a proportion being (0.9-1.1):1 and are respectively contained in cell freeze-storage tubes; and (3) the cell freeze-storage tubes are placed into a program freeze-storage box to be firstly frozen at 80 DEG C below zero, and then, the cell freeze-storage tubes are transferred into liquid nitrogen to be subjected to freeze storage.

The present invention relates to a method for preparing hydrogen gas, which is characterized by that the aqueous solution or alkaline aqueous solution of metal boron hydride is contacted with transition metal boride catalyst deposited on the porous carrier material by means of chemical deposition method to make boron hydride produce hydrolysis reaction and release out hydrogen gas. Said invention also provides the equipment for implement said method, said equipment includes reaction liquor container, catalytic reaction tube communicated with reaction liquor container and gas storage tube communicated with catalyst reaction tube, and the catalytic reaction tube interior is filled with the transition metal boride catalyst deposited on porous carrier material by means of chemical deposition method.

The invention provides a one-time programmable read-only memory for a CMOS (Complementary Metal Oxide Semiconductor) and a manufacturing method of the one-time programmable read-only memory. The memory comprises a control tube and a memory tube; the manufacturing method comprises the following steps of: providing a P-type silicon substrate, and forming a N-well in the P-type silicon substrate; forming local oxide isolation at two sides of the N-well, forming grid electrode oxidation layers, grid electrodes and lightly-doped drains of the control tube and the memory tube on the P-type silicon substrate and the upper surface of the N-well; sequentially depositing a silicon dioxide layer and a silicon nitride layer on the surface of the memory; etching the silicon dioxide layer and the silicon nitride layer by adopting a dry etching method, and respectively forming shoulder-type spacers at two sides of the grid electrode; and carrying out a follow-up source / drain injection technology on the memory. According to the manufacturing method, the OTP ROM (one-time programmable read-only memory) which is optimized through a sidewall and silicide barrier layer (SBK) technology has good performance and is greatly improved in terms of reliability, particularly the data retention performance of electric charges; and the technology is stale and reliable.

This invention is related to high-throughput screening field, in particular to an application method for automatic micro droplet array screening system of picoliter scale precision. According to this invention, the fluid driving system and the capillary are fully filled with fluid of low thermal expansion coefficient as the carrier fluid to thoroughly empty air bubbles in the capillary; after that, immersing the sampling end of capillary into the oil phase that is mutually immiscible with aqueous sample to aspirate a section of oil phase into the capillary for isolation of aqueous sample and carrier fluid; once completed, immersing the sampling end of capillary into the sample / reagent storage tube to aspirate a certain volume of aqueous sample into the capillary; finally, moving the sampling end of capillary to the oil phase above microwells on microwell array chip, and pushing the sample solution in the capillary into microwells to form sample droplet. Quantitative metering of fluid and droplet generation according to this invention are provided with volume precision in picoliter, which can effectively minimize the consumption of sample / reagent, and save the testing cost during high-throughput screening.

The invention provides an atomizer. The atomizer comprises an outer sleeve tube, a solution storage tube in the outer sleeve tube, and an atomizer head located at the lower portion of the solution storage tube. A solution storage cavity is formed in the solution storage tube. A gas exhaust channel is formed between the outer sleeve tube inner wall and the solution storage tube outer wall. An atomizing cavity is formed in the atomizer head, and is communicated with the solution storage cavity and the gas exhaust channel respectively, wherein the tobacco juice in the solution storage cavity enters in the atomizing cavity to be atomized into mist, which then flows out through the exhaust channel. According to the atomizer, when the tobacco juice absorbed by the atomizer head appears oil explosion because of insufficient atomization, the solution storage tube above the atomizer head can play a role of a stopper, the small tobacco juice particles can only be released from both sides of the atomizer head, thus avoiding the scenario that the tobacco juice flows out from the position above the atomizer head to enter directly into the user's mouth. An electronic cigarette using the atomizer is also provided.

Provide a sample storage, in which barcodes and two-dimensional codes printed on the outer surface of the sample storage can be read correctly without false recognition. A storage tube 110 is made of transparent material, comprising a top opening. An opaque writable outer element 120 is installed outside by covering storage tube 110 throughout from the bottom surface to the side surface. An opaque writable outer element 120 is to be used as a medium on which coded information that can be read by optical lv reading is written. The opaque writable outer element 120 is pushed in and irreversibly fixed to the storage tube 110 by a locking mechanism. At least one window 125 is provided, which enables a sample 200 contained to be observed, with the opaque writable outer element 120 installed outside. Accordingly, it enables coded information written on the opaque writable outer element 120 to be read, and sample 200 contained to be observed through the window 125.

The invention discloses a device structure of an SONOS storage tube. The middle part of a substrate is provided with a gate oxide layer, and a selection tube is arranged above the gate oxide layer; both sides of the gate oxide layer and the selection tube are provided with L-shaped ONO layers with outward gap respectively; the storage tubes are arranged on the gaps of the ONO layers; and on the substrate of the two storage tubes and the outer side of the ONO layers, one side is provided with a source electrode, while the other side is provided with a drain electrode. The invention also discloses a method for manufacturing the device structure of the SONOS storage tube, wherein the side wall is etched to form the SONOS storage tube, and a dibit SONOS storage unit simultaneously; and the manufacturing method is simple in procedure and easy to implement; moreover, the area of the storage unit occupied by the SONOS storage tube is greatly reduced, and the performance of the device is improved.

The invention discloses a solid carbon dioxide fracturing device and method; the device is used for being mounted in a blast hole to blast a substratum to be blasted; the device comprises a solid carbon dioxide storage tube, two ends of the solid carbon dioxide storage tube are sealed, a heating tube is passed through the solid carbon dioxide storage tube and is filled with a heating agent, a cavity between the heating tube and the solid carbon dioxide storage tube is used for filling with solid carbon dioxide, the heating tube is also connected to a detonating device through a detonating circuit, and allowable pressure of material for the solid carbon dioxide storage tube is less than 10 Mpa. Small tensile strength of the solid carbon dioxide storage tube can be provided, most low-price materials in the market, such as plastic or paperboard, can be adapted to, and the fracturing device is greatly lower in device cost and usage cost than a fracturing device prepared with high-pressure-tolerant metal material; since these low-price materials are light in weight, it is convenient for workers to move or assemble the fracturing device and labor generation efficiency is improved accordingly.

The invention relates to the technical field of injectors, and particularly discloses a disposable pneumatic needleless injector and a using method thereof. The disposable pneumatic needleless injector comprises a cylinder and a needleless medicine storage tube installed at the front end of the cylinder and used for containing injection or a vaccine; an end cover is arranged at the tail end of the cylinder, and the cylinder is internally provided with a power cavity for storing a small disposable steel bottle, a control device used for controlling the injector to work, an energy storage cavity, a middle cover, a seal damping device, a piston and a piston push rod in sequence from the tail end to the front end; the piston push rod is connected with a rubber piston, and the rubber piston is located in the needleless medicine storage tube; the control device comprises a button switch, a valve body, a valve core and a spring, and a safety device is arranged on the button switch and used for preventing misoperation of a user. When the injector is used for injection, the safety device is removed, and the button switch is pressed to conduct injection operation. The disposable pneumatic needleless injector has the advantages that the structure of a triggering and pushing device is greatly simplified, operation is convenient, cost is low, injection efficiency is high, and reliability is high.

The invention relates to the field of beef processing, in particular to beef processing equipment. The beef processing equipment comprises a workbench, a power mechanism and a processing mechanism. The processing mechanism comprises a connecting rod, a hammerhead, clamping jaws, hollow transverse rods and storage tubes. The connecting rod is connected to the power mechanism, one end of the connecting rod is abutted against a cam, and the other end of the connecting rod is hinged to the hammerhead. One end of each clamping jaw is hinged to the hammerhead, a hinge column is hinged to the middle of each clamping jaw, and the lower end of each clamping jaw is made of an elastic material and abutted against the workbench in movement. The transverse rods are provided with slide grooves, and the hinge columns are positioned in the slide grooves respectively. Each storage tube is arranged at one end, close to the hammerhead, of the corresponding transverse rod, and the other end of each transverse rod is connected to the workbench through a vertical rod. A retaining plate is slidably connected in a cavity of each transverse rod, one end of each retaining plate is connected to the corresponding hinge column, and the other end of each retaining plate extends into the corresponding storage tube. The beef processing equipment is provided for solving the problem of workload increase caused by moving of a hammer plate in application of existing processing equipment to meat paste processing.

The invention provides an electrodeless lamp fixture which comprises a lamp shade, an electrodeless lamp, a heat conduction metal rod, an excitation source, a main amalgam storage tube, an inner tube, a bulb glass shell, an excitation coil and an auxiliary amalgam, wherein the lamp shade is provided with a lamp holder; the electrodeless lamp is installed on the lamp holder and comprises a lamp opening which cooperates with the lamp holder; the heat conduction metal rod and the excitation source are installed on the lamp opening; a concave cavity is arranged between the inner tube and the heat conduction metal rod; the excitation coil is positioned in the concave cavity; the magnetic core of the excitation coil and the heat conduction metal rod form a socket joint; and the position of the auxiliary amalgam on the outer wall of the inner tube is the farthest away from the emergent surface of the lamp shade, so that the auxiliary amalgam is positioned at the highest point of the outer wall of the inner tube after the electrodeless lamp is installed on the lamp holder. The embodiment of the invention can ensure that the auxiliary amalgam is installed at the highest point of the outer wall of the inner tube, thus when the electrodeless lamp is started, hot gas ascends under the convection effect of gas, thereby ensuring highest temperature at the highest point. Therefore, the auxiliary amalgam is arranged in the position the temperature of which rises at the highest speed, thereby promoting mercury atoms to be evaporated out of the auxiliary amalgam so that the electrodeless lamp can be quickly started.

A screen having two optical characteristics is realized in a compact structure. As a result, a structure is provided where two types of screen surface having different optical characteristics are formed on the same side of the same sheet, and wound in a single storage tube, and it is possible to pull out and fix the first screen from the storage tube in a state where the second screen is stored in the storage tube.

The invention relates to a shock absorber of a fluid storage tank, and the shock absorber comprises a hollow tubular type fluid storage tube main body, a refrigerant output tube connected at the bottom of the main body and extended to the middle part of the main body, a refrigerant input tube connected at the top of the main body, and a fluid storage tank positioned between the opening parts of the refrigerant input tube and the refrigerant output tube, connected on the inner wall of the main body and consisting of filtering mesh. The shock absorber is arranged in the fluid storage tank, the shock absorber consists of a mass block, a damper and a supporting rod, wherein, the mass block is a solid body with greater density and mass, the mass block is connected to the supporting rod in a movable way and positioned at the center position, one end of the supporting rod is fixed and connected on the inner wall of the main body, and the other end of the supporting rod is connected with the mass block through the damper; the damper is elastically arranged between the inner wall of the main body and the mass block along the supporting rod. The invention can weaken the shock of the fluid storage tank along the horizontal direction, and realize the purpose of weakening, even eliminating the noise.

The invention discloses a solar hot water auxiliary heat storage device which comprises at least one molecular sieve heat storage bed and a heat storage water tank. The molecular sieve heat storage bed comprises a barrel-shaped heat storage bed outer shell, a plurality of heat storage tubes are arranged in the heat storage bed outer shell, and each heat storage tube is composed of a metal tube with meshes and an absorbent layer attached to the surface of the metal tube with the meshes and is used for heat storage. Absorption materials in the absorbent layer are molecular sieve absorption materials which are used as a heat storage working media pair together with water. The invention further discloses a power plant boiler solar hot water supply system constituted by the solar hot water auxiliary heat storage device. Solar energy can be fully used as the postcombustion of a power plant boiler, normal operation of the boiler is not influenced by the instability, the intermittence and the like of solar energy, and the cost of a power plant is obviously lowered.