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34results about How to "Avoid neurotoxicity" patented technology

Corrosion-resistant high strength and toughness magnesium alloy tubular product and preparation process

ActiveCN110117743ASolve the problem of difficult plastic processingStable supportExtrusion diesRoom temperatureIngot
The embodiment of the invention provides a corrosion-resistant high strength and toughness magnesium alloy tubular product and a preparation process. The alloy tubular product is prepared from the following elements in percent by mass: 1.0-6.0% of Nd, 0.1-5.0% of Zn, 0.1-5.0% of Ca, 0.1-4.0% of Zr and the balance Mg. The preparation process comprises the following steps: successively preparing a magnesium alloy cast ingot, a magnesium alloy blank, a magnesium round bar and a magnesium hollow round ingot through a series of steps: vacuum semicontinuous casting, solid solution homogenizing, barextrusion processing, hollow round ingot processing and the like; and finally, extruding the hollow round ingot to obtain the corrosion-resistant high strength and toughness magnesium alloy tubular product. The corrosion-resistant high strength and toughness magnesium alloy tubular product solves the problem of hard plastic processing for preparing a bracket as the magnesium alloy tubular productis relatively poor in deformability at room temperature in the prior art, can be degraded uniformly in vivo while achieving an ideal supporting effect of the alloy, and meanwhile, has better corrosionresistance and is relatively uniform to corrode, wherein the corrosion rate is 0.18-0.42 mm / year.
Owner:ZHUHAI INST OF ADVANCED TECH

Lipid microsphere injection of taxane derivative TM-2 and preparation method thereof

InactiveCN104323990AReduce localReduce vascular irritationOrganic active ingredientsPharmaceutical non-active ingredientsMicrosphereCholesterol
A lipid microsphere injection of taxane derivative TM-2 and preparation method thereof belong to the technical field of medicines. The lipid microsphere injection includes following components: the TM-2, oil for injection, an emulsifier, cholesterol, a polyethylene glycol-polyaspartic acid co-polymer, an auxiliary emulsifier, a stabilizing agent, an isoosmotic adjusting agent and water for injection. The preparation method comprises following steps: (1) uniformly mixing the TM-2 with an oil-soluble medium and dispersing the mixture in a water phase; (2) performing high-speed stirring to prepare a primary emulsion; and (3) performing high-pressure homogenization to obtain a preparation and then sterilizing the preparation through a high-pressure rotational sterilizing method. Compared with a reference preparation taxane lipid microsphere injection, The TM-2 lipid microsphere injection shows a better antitumor activity. The TM-2 lipid microsphere injection not only is better than the reference preparation taxane lipid microsphere injection in effectives, but also is good in stability. The TM-2 lipid microsphere injection reduces toxicity of the TM-2 and is enhanced in curative effects. Meanwhile, the TM-2 lipid microsphere injection is tolerant of high-temperature pressurized sterilization and is suitable for industrialized production.
Owner:SHENYANG PHARMA UNIVERSITY

A corrosion-resistant high-strength toughness magnesium alloy pipe and its preparation process

ActiveCN110117743BSolve the problem of difficult plastic processingStable supportExtrusion diesIngotRound bar
The embodiment of the invention provides a corrosion-resistant high strength and toughness magnesium alloy tubular product and a preparation process. The alloy tubular product is prepared from the following elements in percent by mass: 1.0-6.0% of Nd, 0.1-5.0% of Zn, 0.1-5.0% of Ca, 0.1-4.0% of Zr and the balance Mg. The preparation process comprises the following steps: successively preparing a magnesium alloy cast ingot, a magnesium alloy blank, a magnesium round bar and a magnesium hollow round ingot through a series of steps: vacuum semicontinuous casting, solid solution homogenizing, barextrusion processing, hollow round ingot processing and the like; and finally, extruding the hollow round ingot to obtain the corrosion-resistant high strength and toughness magnesium alloy tubular product. The corrosion-resistant high strength and toughness magnesium alloy tubular product solves the problem of hard plastic processing for preparing a bracket as the magnesium alloy tubular productis relatively poor in deformability at room temperature in the prior art, can be degraded uniformly in vivo while achieving an ideal supporting effect of the alloy, and meanwhile, has better corrosionresistance and is relatively uniform to corrode, wherein the corrosion rate is 0.18-0.42 mm / year.
Owner:ZHUHAI INST OF ADVANCED TECH
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