32results about How to "No permanent damage" patented technology

The invention discloses an automatic locking anti-loosening nut which comprises a nut body. The nut body is provided with a threaded hole, an annular boss which extends outwardly is arranged at an end of the nut body, an annular elastic locking plate is fixed into an annular hole of the annular boss, a center hole of the annular elastic locking plate is concentric with the threaded hole, and the inner diameter of the elastic locking plate is smaller than that of the threaded hole. Protrusions which are radially protruded towards a hole center are arranged on the inner surface of the locking plate. A flange is further arranged on the nut body, and continuous radial antislip teeth are arranged on an end surface of the flange. The automatic locking anti-loosening nut has the advantages that the automatic locking anti-loosening nut can be reliably locked, shock-resistant and anti-loosening effects can be realized, the deformation-resistant metal locking plate is excellent in elastic resetting ability and can be reset after being used and detached, accordingly, original functions of the automatic locking anti-loosening nut can be kept, the automatic locking anti-loosening nut is reusable and is convenient to detach, and the cost can be saved; the nut is provided with the flange with the antislip teeth, so that anti-loosening and antislip friction force can be greatly increased, and the automatic locking anti-loosening nut is reliable in anti-loosening performance.

The invention discloses a programmable analog heating apparatus used for a battery thermal management test and a control method for the programmable analog heating apparatus. The programmable analog heating apparatus comprises an upper computer and a plurality of single analog heating apparatuses; the upper computer is connected with each single analog heating apparatus through a communication bus; a battery database and a working condition database are stored in the upper computer; each single analog heating apparatus is provided with a distributed control sub board, a small-sized power module, a heating apparatus and a temperature collection module; the upper computer reads the battery database and the working condition database and obtains heating power data through calculation; then the upper computer transmits the heating power data to each single analog heating apparatus through the corresponding communication bus; the distributed control sub board in each single analog heating apparatus controls the small-sized power module to output corresponding voltage and current to the corresponding heating apparatus so as to control the corresponding heating apparatus to give out heat; the temperature collection module collects the temperature data of each single analog heating apparatus and transmits the data to the corresponding distributed type control sub board; and the distributed type control sub board transmits the temperature data to the upper computer through the corresponding communication bus.

The invention discloses a tripterine nanostructure lipid carrier modified by lentiviral vector and preparation method and application thereof, wherein teh tripterine nanostructure lipid carrier modified by the lentiviral vector consists of tripterine and a lipid carrier, various components comprise 1 part by weight of tripterine, 0.5 to 10 parts by weight of lentiviral vector, 5 to 100 parts by weight of lipid blends, 0.5 to 20 parts by weight of emulsifier and 5 to 100 parts by weight of stabilizer. The tripterine nanostructure lipid carrier modified by the lentiviral vector can increase nanoparticles encapsulating rate to 78-90%. The tripterine nanostructure lipid carrier modified by the lentiviral vector uses oral administration, thereby promoting absorbing of the tripterine in a body,improving bioavailability, reducing administration dosage, reducing accumulation of the tripterine in the body at last, reducing toxic reaction by combining sustained release of a nanostructure lipidcarrier, and improving clinical therapeutic effect of the tripterine at last.

The invention discloses an integrated force sensor, which is characterized in that it comprises: a base body, a flexible through cavity arranged on the base body and a flexible skin covering the flexible through cavity, a protrusion is arranged on the base body, and the flexible through cavity It is divided into two sections under the action of the protrusion, one end of the flexible cavity is connected with a pressure sensor for measuring the internal pressure of the flexible cavity, and the other end of the flexible cavity communicates with the outside air. In the present invention, since the force to be measured changes the air pressure by changing the shape of the object, the magnitude of the force to be measured is detected by detecting the air pressure, and the overload pressure can be released through the pressure release mechanism, which will not affect the safety of the film of the pressure sensor, even Over 100 times static pressure overload will not cause permanent damage to the film.

This invention relates to one display structure, which comprises first metal shell, display panel and second metal shell, wherein, display panel is set on first metal shell inner and outer surfaces and covers on second metal shell; the display panel is composed of base board, light element and back cover; the baseboard has drive electrode; the light element is set on base board and drive electrode; back cover on light parts set on back cover between magnetic layer and light element; when forming display structure, the display panel can absorb and position first metal shell and second shell.

The invention discloses a Chinese medicinal drug addiction stopping and three-hyper lowering capsule, which is prepared by cleaning, drying, smashing, uniformly mixing and loading 39 types of Chinese medicines such as pseudo-ginseng root, astragalus, corydalis tuber, Chinese eaglewood, and ginseng into a capsule. The Chinese medicinal drug addiction stopping and three-hyper lowering capsule has the advantages of stable curative effect, short treatment course, small toxic and side effects and low relapse rate. The capsule also has an immunity enhancing function on a patient suffering from 'three-hyper (hypertension, hyperlipemia and hyperglycemia)' in cardiovascular system diseases, and a rehabilitation effect is achieved.

The invention belongs to the technical field of chemical engineering. The invention especially relates to a lithium ion battery resistant to storage discharge to zero volt and a battery discharge process test. The invention discloses a reversible lithium ion battery. Discharging can be performed until the voltage between a cathode and an anode is zero volt, and the battery cannot be damaged perpetually; the novel anode current collector is provided, a titanium foil is selected as the anode current collector, and the dissolving potential of the titanium foil is higher than the zero-point crosspotential of the cathode and the anode of the battery, so that the permanent damage to the battery due to dissolution and precipitation of the copper foil in the process of discharging the lithium ionbattery to 0V is avoided.

The invention belongs to the technical field of oil field production, and specifically relates to an in-slot temporary plugging agent for fracturing and a preparation method thereof. The temporary plugging agent comprises the following components (by weight): 38 parts of hydroxypropyl cellulose, 15 parts of polyvinyl butyral, 16.5 parts of zinc oxide, 27 parts of urea-formaldehyde resin, 6 parts of hexamethylenetetramine and 14 parts of calcium hypochlorite. The preparation method comprises the following steps: uniformly mixing hydroxypropyl cellulose, polyvinyl butyral, zinc oxide, urea-formaldehyde resin, hexamethylenetetramine and calcium hypochlorite at normal temperature of 25 DEG C, and then slowly adding the mixture into water under the condition of stirring, and stirring for 30 minto obtain the in-slot temporary plugging agent for fracturing. After 2 h of waiting on cement setting in a shaft of 60 DEG C, the temporary plugging agent can withstand a pressure difference of 40.6MPa. After gel breaking, the viscosity of the gel breaking liquid is less than 5 mPa.S, and all the gel breaking liquid can be discharged to the ground through a backflow process.

The invention relates to a plate type heat exchanger (102)with a heat exchanger assembly (104), end panels (106) and end panel connection members (107)connecting the end panels (106). The heat exchanger assembly (104) has a stack of heat exchanger plates (112) and a pair of outer heat exchanger plates (114) located on opposing sides of the heat exchanger assembly (104). At least one outer heat exchanger plate (114) is mechanically connected to an adjacent end panel (106) and has an outer main surface portion (122) facing the adjacent end panel (106) that is thermally connected to an end panel contacting region (125) of the adjacent end panel(106). The in-plane thermal expansion properties of the outer main surface portion(122) are identical to in-plane thermal expansion properties of the end panel contacting region(125).

A defense device of stick type is a stick type of jetting device for jetting out irritant aerial fog or irritant jet-flow. It is featured as applying elastic layer as external surface of jet cylinder, placing jet tube in jet cylinder, connecting seal head at front end of jet cylinder, setting a propelling mechanism at back of jet cylinder, packing irritant with pressure in jet tube, setting handle at back of jet cylinder and laying switch as well as safety mechanism on handle.

The invention belongs to the technical field of permeable pavement congestion detection, and particularly relates to a nondestructive detection method for the congestion state of a permeable asphalt pavement. The pavement noise growth rate is calculated by standardly testing the pavement noise value of the initial permeable asphalt pavement and the permeable asphalt pavement put into use for a period of time; if the pavement noise growth rate is larger than or equal to 5.5%, it can be judged that the pavement congestion degree is serious, and cleaning and maintenance need to be conducted; therelation between the pavement noise of the permeable asphalt pavement and the pavement gap state is used for detecting the permeable pavement gap congestion state. Implementation is easy and convenient, the pavement is not damaged, and the congestion degree of the permeable asphalt pavement can be accurately detected.

The invention provides an rGO-LiOH micro-spring/wood composite electrode material and a preparation method and application thereof. The method comprises the steps that 1, lithium carbonate, graphene oxide and deionized water are subjected to ultrasonic smashing and then freeze drying, and aerogel of LiCO3 and GO is obtained; 2, moisture in the aerogel of LiCO3 and GO is removed, then the aerogel is subjected to heat preservation for 2-5 h at the temperature of 1000-1200 DEG C in nitrogen or inert gas, and an rGO-LiOH micro spring is obtained; and 3, the rGO-LiOH micro spring is blown into a pore channel of the carbonized delignified wood to obtain the electrode material with high three-dimensional specific capacitance, high elasticity, high porosity and high specific surface area. The electrode material can be further assembled into an elastic capacitor or a wearable capacitor, so that any electronic equipment within the range of the capacitor can be driven.