90results about How to "Retain stability" patented technology

The present invention relates to a skin engaging member for use in a razor blade cartridge assembly or shaving systems of the wet shave type comprising an elongated flexible sheath region and at least one elongated, rigid core region. The core region is surrounded by the sheath such that the outer surface of the core does not intersect the outer surface of the sheath. Generally, the core or cores extend axially throughout the sheath and provide sufficient mechanical strength and rigidity to provide adequate mechanical strength and rigidity to provide adequate mechanical strength to the entire skin engaging member, as initially produced, during the shaving operation and after a significant amount of shaves.

The invention discloses a dynamic polymer having a hybrid cross-linked network, and contains common covalent crosslinking and dynamic covalent crosslinking; and the dynamic covalent crosslinking is realized by organic boric acid silicon ester bonds. The dynamic polymer combines the advantages of dynamic covalent organic boric acid silicon ester bonds and a common covalent bond, and by regulation and control of a reactant structure, a dynamic polymer having abundant structure and various properties can be prepared. The dynamic covalent crosslinking in the dynamic polymer has strong dynamic reversibility, the polymer can present function characteristics of stimulation responsiveness and self-repair performance, and the common covalent crosslinking endows certain intensity and stability to the polymer; in addition, the dynamic nature of the organic organic boric acid silicon ester bonds can generate good energy dissipation and energy-absorbing effect, and is capable of toughening, dampingand resisting impact on a material in a specific structure. The dynamic polymer can be used for preparing a shock-absorption material, a shock-resistant protection material, a self-repair material, and a toughness material.

The present invention is concerned with a pharmaceutical formulation comprising an amylin agonist and optionally a buffer, a tonicifier or stabilizer, and a preservative in a container, for example, a vial, prefilled cartridge, prefilled syringe or disposable pen. This formulation may be in liquid, gel, solid or powdered form for delivery, for example, via nasal, pulmonary, oral, sublingual, buccal, transdermal, or parenteral routes. Formulation with biocompatible polymers and release modifiers, such as sugars, can facilitate controlled release after injection, minimizing the number of administrations to a patient. These formulations maintain stability upon storage under refrigerated or room temperature conditions. Such formulations can be further combined with insulin for administration to a patient.

The invention discloses a dynamic polymer with a hybrid cross-linked network. The dynamic polymer contains common covalent cross-linking and dynamic covalent organic borate bonds. The dynamic polymerintegrates the respective advantages of the dynamic covalent organic borate bonds and the common covalent cross-linking, and polymeric materials of abundant structures and with diversified propertiescan be prepared by regulating the structures of reactants. The high dynamic reversibility of the dynamic covalent organic borate bonds in the dynamic polymer allows the polymer to present the functional characteristics of stimulation responsiveness, self repair performance; the common covalent cross-linking endows the dynamic polymer with certain strength and stability; moreover, based on the dynamic nature of the dynamic organic borate bonds, the dynamic polymer has the characteristics of energy dissipation and energy absorption and the good functions of damping, shock absorption, sound insulation, impact resistance, high toughness and the like. The dynamic polymer can be used for preparing damping and buffering materials, anti-impact protection materials, self-repairing materials, toughmaterials, force transducers, etc.

The invention discloses a hybrid cross-linked dynamic polymer. The hybrid cross-linked dynamic polymer contains an inorganic borate bond and common covalent cross-linking formed by a common covalent bond, wherein the cross-linking degree of the common covalent cross-linking in at least one cross-linking network reaches a gel point of the common covalent cross-linking or above. The hybrid cross-linked dynamic polymer integrates the respective advantages of a dynamic covalent bond and the common covalent cross-linking, and polymeric materials of abundant structures and with diversified properties can be prepared by regulating the structures of reactants. The inorganic borate bond in the hybrid cross-linked dynamic polymer has dynamic reversibility, so the polymer has functional characteristics like stimulation responsiveness and exerts toughening, damping and anti-impact effects and other effects on materials in specific structures; and the common covalent cross-linking endows the polymer with certain strength and stability. The dynamic polymer can be used for preparing damping and buffering materials, anti-impact protection materials, tough materials, sealing materials, force transducers, etc.

The invention relates to a novel cervical vertebra dynamic internal fixing device, which comprises an artificial cervical vertebra body and an artificial intervertebral disc. The artificial cervical vertebra body is inlaid on any vertebral body of the third section to the seventh section of partially cut human cervical vertebra. Two screw holes and two clamping grooves are symmetrically arranged on the artificial cervical vertebra body. A vertebral pedicle screw which is fixedly connected with the section of the human cervical vertebra body and a vertebral pedicle is arranged in each screw hole in a penetrating way. A vertebral pedicle screw lock pin cross bar is positioned and clamped between the two clamping grooves. The artificial intervertebral disc is arranged at the upper end and the lower end of the artificial cervical vertebra body, is arranged at a vertebral gap between an upper vertebral body and a lower vertebral body close to the position of the artificial cervical vertebra body, and comprises artificial nucleus pulposus and an artificial end plate. A screw hole is arranged on the artificial end plate. An artificial end plate fixing screw which is fixedly connected with the corresponding section of the artificial cervical vertebra body is arranged in the screw hole in a penetrating way. By adopting the internal fixing device, the invention has the advantages that the surgical invasion is small, the operation is easy and the dynamic fixation of the cervical vertebra after the subtotal excision of an anterior cervical single vertebral body can be realized.

The invention provides a urea liquid level real-time detection method and a urea liquid level real-time detection system. The urea liquid level real-time detection method comprises the steps of: (I) acquiring a urea liquid level after filtering, urea injection mass, urea density and urea tank volume data, and calculating urea consumption; (II) and calculating the urea consumption and the urea liquid level after filtering to obtain a urea display liquid level. The urea liquid level real-time detection method and the urea liquid level real-time detection system ensure the urea liquid level stability by reserving a urea liquid level signal after filtering, and calculates the real-time urea consumption and the urea display liquid level, thereby ensuring the precision of the urea liquid level in a transient state and improving the urea liquid level precision by 80%.

The invention discloses a crocodile blood nano microcapsule and a preparation method thereof. The crocodile blood nano microcapsule is prepared by the following method: treating fresh crocodile blood with an anticoagulant, then carrying out high-pressure homogenizing emulsification, and thus obtaining a crocodile blood nano homogenized emulsified liquid with the particle size of 30-100 nm; under stirring, adding ethanol, carrying out preliminary dehydration condensation curing; then under stirring, adding a carboxymethyl pachymaran aqueous solution, and carrying out simple coacervation; still under stirring, continuing to add a chitosan citric acid solution, carrying out complex coacervation, adding ethanol at a second time, and carrying out dehydration treatment; and finally, carrying out spray freeze drying, and thus obtaining the crocodile blood nano microcapsule. The crocodile blood nano microcapsule has no crocodile blood smell, not only maximize retention of a physiological activity, but also can perform targeted controlled release, and achieves targeted nutrition, health-care and food therapy effects; and the crocodile blood nano microcapsule not only is convenient to store and transport, but also can be widely applied in various fields. The preparation method has the advantages of simple process, and easy industrialization production.

A throttle control device having a quick response and a control stability in the ISC running mode of an internal combustion engine comprises: feedback control means for outputting an amount of activation for activating a drive motor by using a predetermined control gain such that the real opening of a throttle valve detected by a throttle opening sensor for detecting the real opening of the throttle valve may be equalized to either a desired opening based on at least the depression of the accelerator pedal or a desired opening at the ISC time based on at least the speed of the internal combustion engine; and correction coefficient adjusting means for correcting the activation amount outputted from the feedback control means, with a predetermined correction coefficient on the basis of the decision result of a throttle operation mode deciding means for deciding the operation mode of the throttle valve.

The invention provides a vertical double-layer eight-rotor flying robot, which comprises a control module, a robot body and a power unit, wherein the power unit comprises a lifting part and a thrust part; the lifting part comprises four lifting rotors evenly distributed around the robot body; the lifting rotors are located in the same horizontal plane and at the same distance from the robot body;the thrust part includes four thrust rotors evenly distributed around the robot body; the thrust rotors are located in the same horizontal plane and at the same distance from the robot body; the lifting rotors are horizontal rotors, and the rotational speeds of adjacent lifting rotors are the same but the rotational directions are opposite; and the thrust rotors are vertical rotors, and the rotational speed of adjacent thrust rotors is the same but the rotational direction is opposite. The vertical double-layer eight-rotor flying robot innovatively uses the non-planar layout of the rotor, which not only maintains the stable working ability of the existing UAV in the air, but also solves the problem that the reaction speed of the UAV is slow when the UAV performs complex actions, at the same time, the redundant actions in the working process are minimized as far as possible, so that the working efficiency of the UAV is maximally improved.

The invention relates to a fuel gas pressure regulator with a remote pressure regulating function. The fuel gas pressure regulator comprises a direct-acting-type pressure regulator body, a pneumatic control unit, a small airbag and a solenoid valve set. The direct-acting-type pressure regulator body is provided with a balance flange provided with a gas balance cavity. The gas balance cavity communicates with a gas inlet cavity of the direct-acting-type pressure regulator body. A gas path led out of the balance flange communicates with the pneumatic control unit. The pneumatic control unit communicates with the small airbag. The small airbag is provided with the solenoid valve set. The solenoid valve set comprises a pressure increasing solenoid valve and a pressure decreasing solenoid valve. According to the fuel gas pressure regulator, a using mode of a traditional direct-acting-type pressure regulator is transformed, and a plurality of regulating and controlling assemblies are additionally mounted to form the pressure regulator with the remote regulating function; and the reliability and stability of the direct-acting-type pressure regulator are retained.

The invention belongs to the field of the photoelectric material application technology, and particularly relates to an organic photoelectric material containing a benzoheterocyclic structure and application of the organic photoelectric material. According to the organic photoelectric material, polycyclic aromatic hydrocarbon is introduced into a nitrogen atom site of a five-membered heteroaromatic ring of phenanthroimidazole and a benzo-ester heterocycle is introduced into a carbon atom site at the same time, the organic photoelectric material is a material of which a single triplet state energy gap delta E<ST> is smaller and the triplet state energy level of a receptor is twice higher than that of a single excited state, and an electroluminescence mechanism of an RISC and TTA coexistingsystem provides a feasible path to obtain high photoelectric conversion efficiency and solve the current problems of roll-off of efficiency and light color quality of a dark blue fluorescent material.The organic photoelectric material containing the benzoheterocyclic structure independently exhibits excellent performance as a luminescent layer material or as a luminescent layer doping material inan organic electroluminescent device through the selection and structural design of a donor/receptor, the synthesis process and purification process are simple, and the organic photoelectric materialcan be applied to industrial production.