8results about How to "Less weight gain" patented technology

The invention discloses a thermoplastic engineering plastic and a preparation method thereof, and the thermoplastic engineering plastic comprises the following components by weight: 83-93% of ABS resin, 3-10% of flake alumina and 3-4% of a processing aid; wherein the surface of the flaky aluminum oxide is connected with a lipophilic group. According to the invention, the surface-modified flaky aluminum oxide is adopted as a functional filler and is compounded with the ABS resin to prepare the ABS thermoplastic engineering plastic, and the flaky aluminum oxide can realize single-sheet stripping after being subjected to surface treatment, so that the characteristics of portability, impact resistance, weather resistance and great improvement of dimensional stability can be achieved only by using 3-10% of additive amount; meanwhile, the production cost of the ABS plastic and the increase amplitude of the overall weight are reduced due to the low filler addition amount, and no obvious adverse effect is generated on the mechanical property of the plastic; the preparation method does not need to change the forming processing technology of the existing ABS plastic, the production cost is low, and the product can be recycled.

The utility model discloses a motorcycle engine crankcase belongs to motorcycle engine technical field, and one kind of motorcycle engine crankcase, including crankcase main part, the crankcase main part upper end surface center one side place is equipped with crankshaft accommodating cavity, the crankcase main part upper end surface center leans to the side and is equipped with the variable speed gear installation cavity, the inboard wall of crankshaft accommodating cavity is equipped with the protection structure, the crankcase main part lower end surface center place is equipped with the reinforcing structure, in addition, the utility model discloses, through the combination design of protective layer, T type sliding block and sliding slot, through the radial limit and prevent the deviation and fall of protective layer because of crankshaft high -frequency vibration, also keep the axial trace sliding space to adapt the thermal expansion and contraction when the engine works, solved the problem that rigid protection structure is easy to produce stress cracking because of temperature change, simultaneously, the direct contact of protective layer and crankshaft part realizes wear and tear isolation, and cooperates slidable type assembly structure, and the durability and adaptability of protection have been greatly improved.

The invention belongs to the technical field of bioactive peptides, and particularly relates to a cyperus esculentus-derived DPP-IV inhibitory peptide as well as a preparation method and application thereof. The DPP-IV inhibitory peptide has good in-vivo hypoglycemic activity, through screening and identification, the core peptide fragment comprises YLFPGFG, FGHPEW, VLPPPW and the like, the three oligopeptides have high DPP-IV inhibitory activity, the IC50 values of the three oligopeptides are 0.5047 mM, 1.199 mM and 1.596 mM respectively, all the oligopeptides are competitive inhibition, and the DPP-IV inhibitory peptide can be used as a DPP-IV natural inhibitory peptide with low side effects and good curative effects and has good application prospects. The method has important theoretical and practical significance for early prevention of diabetes mellitus.

The utility model discloses a low noise automobile tire belongs to automobile tire technical field, including tire body, longitudinal pattern groove, drainage pattern groove and first sound absorption pit, tire body tread is equipped with several longitudinal pattern grooves, several drainage pattern grooves are equipped in the tire body's shoulder position, and the first sound absorption pit is equipped on the inner wall of tire body, and several first sound absorption pits are evenly distributed along the circumferential inner wall of tire body. The prior art has solved the problem that the optimization effect is not obvious, the tire weight is increased and the production cost is improved due to the relatively limited space of pattern optimization and form adjustment and the addition of mute material. The utility model solves the three big problems of the noise reduction bottleneck, weight increase and cost increase of the traditional technology through structural innovation, and provides a technical solution with performance and economy for the electric automobile tire.

This invention discloses a golf ball for enhancing the reflection performance of 77GHz millimeter-wave radar, comprising: a golf ball body; a conductive coating disposed on the surface of the golf ball body; the conductive coating is a conductive material layer formed by liquid-phase impregnation and drying, wherein the conductive material is selected from at least one of silver nanoparticles, graphene, or carbon-based conductive materials; the conductive coating is uniformly adhered to the surface of the golf ball and the pit structure on the surface, covering the pit structure, and the coating does not fill the pits; and the total weight gain of the golf ball does not exceed 0.5g. The preparation method includes the following steps: Step 1: Diluting the conductive coating with a diluent to a solid content of 1%–5% to obtain an impregnation solution; Step 2: Completely immersing the golf ball in the impregnation solution; Step 3: Removing excess liquid by centrifugation or spin-drying; Step 4: Performing a low-temperature drying treatment on the spin-dried golf ball.

The present application provides 3,5-substituted imidazothiadiazole heterocyclic derivatives, and a preparation method and application thereof. Specifically, a series of 3,5-substituted imidazothiadiazole heterocyclic derivatives are screened, which can inhibit eIF4E phosphorylation, reduce p-eIF4E generation, reduce body weight gain, reduce fat accumulation, reduce inflammation and the like, and are used for preventing and / or treating metabolic diseases, thrombotic diseases, sepsis acute kidney injury, MASLD (metabolic fatty liver disease), MASH (metabolic fatty hepatitis) and the like related to eIF4E phosphorylation level disorder. The metabolic diseases related to eIF4E phosphorylation level disorder are selected from type 1 diabetes, type 2 diabetes, hyperlipidemia, obesity, fatty liver disease, and complications and conditions related thereto.

This invention provides an ultra-thin metal composite panel, comprising a metal plate body, with hot-dip galvanized steel plates disposed on the outer side of the metal plate body. Toughness composite units are located between the hot-dip galvanized steel plates to enhance the toughness of the metal plate body. A ceramic coating is disposed on the outer side of each hot-dip galvanized steel plate. The ultra-thin metal composite panel of this invention effectively ensures the overall strength of the metal plate body while increasing its bending strength and impact resistance, thereby enhancing its impact resistance and effectively reducing the inconvenience caused to users by impact-induced damage.

The application discloses a method for recovering a rocket by splashing and falling on the sea, and the rocket comprises a first-stage rocket, an inter-stage section and a separation connecting mechanism for separably connecting the first-stage rocket and the inter-stage section; during splashing and falling of the rocket, the recovery method realizes quick unlocking and throwing away of the inter-stage section from the first-stage rocket through the separation connecting mechanism, so that the inter-stage section is prevented from participating in the second-time water-impact process, water dynamic force arms generated by overall tilting are reduced, buffer time is increased, buffer load is reduced, and the inter-stage section and the first-stage rocket are protected. The recovery method can reduce the second-time impact during the splashing and falling process and avoid introducing complex mechanisms for protection, so as to reduce the influence of the second-time water-impact on the rocket body.