查询词典 plastics

Form PLA is a nonvirulent macromolecular compound with biocompatibility, which used in the manufacture of new biodegradable plastics, fiber, and biomedical material.

型乳酸，分子式C3H6O3，为含有氢氧基的有机酸，是生物的代谢中间产物。L型乳酸可以在动物和人类细胞中新陈代谢因为这些细胞含有L型乳酸去氢酵素。L型乳酸还可用於生产L型乳酸聚合物。L型乳酸聚合物属於无毒的高分子化合物，具有生物相容性，可用於制造生物可分解的塑胶、纤维以及生医材料等。

Research group of these samples after determination found that even children of all brands of edible oil in plastic barrels, all containing "phthalate ester" and "octyl phthalate", these two plasticizers in the plastics industry are frequently used phthalate type plasticizers, without the use of plastic containers containing the bulk oil and solid shortenings, almost non-plasticizer.

科研小组对这些样品进行测定后发现，儿乎所有品牌的塑料桶装食用油中，都含有&邻苯二甲酸二酯&和&邻苯二甲酸二辛酯&，这两种增塑剂是塑料工业中经常使用的酞酸酯类增塑剂，而未使用塑料容器盛装的散装豆油和固体起酥油中，几乎不含增塑剂。

1DF-1 are oilless lubricating materials. Their surface layer is modified tefolon plastics. They may be operated in non-lubrication applications.

DF-1复合材料的表面摩擦层为改性聚四氟乙烯，是一种无油润滑材料，可在干摩擦条件下进行工作，而在有油润滑的条件下进行工作，其寿命会成倍甚至几十倍地提高。

UHMW-PE grating factor than unaccounted engineering plastics's small,can and polytetra-fluoro-ethylene each each other setoff setoff,be true from oleiferous substance.

UHMW-PE 的磨擦系数双其它工程塑料的小，可与聚四氟乙烯相媲美，是理想的自润滑材料。

Finally, organoboron surfactants used in plastics for anti static application was discussed emphatically.

最后重点探讨了有机硼表面活性剂在塑料抗静电领域的应用性能。

The established method has been successfully applied to the determination of organotin compounds in PVC plastics.

所建立的方法能很好地应用于PVC塑料制品中有机锡化合物的检测。

Using the thickly galvanized stonemesh filled with the Lijiang overbank pebbles for bank revetment solved the problems that traditional grouting rubbles for bank revetment influences the Lijiang natural landscape, the ordinary stonemesh is corroded and destroyed easily and the hard plastics stonemesh stiffness can t meet demand.

采用重镀锌铁丝网笼填入漓江漫滩上的卵石进行护岸，解决了传统的浆砌石护岸影响漓江自然景观和普通铁丝网笼容易被锈蚀破坏及硬塑料网笼刚度不够的问题，使护岸工程恢复了漓江原有的自然景观，达到了防治水土流失和美化漓江的目的。

It introduced the classical theory of bubble nucleation during the process of foam plastics , and presented the calculation formulas about the radius of critical nucleation , required Gibbs free energy and nucleation rate of some kinds of nucleation. It reviewed the development of classical theory of bubble nucleation , including the influence of free volume and oversaturation on bubble nucleation , and pointed out the existing deficiencies in explanation of classical theory of bubble nucleation to bubble nucleation of dynamic polymer melt.

介绍了泡沫塑料加工过程中气泡成核的经典理论，给出了几种成核方式的临界成核半径、所需克服的吉布斯自由能及成核速率的计算公式；评述了经典成核理论的发展，包括自由体积和气体过饱和度对气泡成核的影响，并分析指出了经典成核理论对动态聚合物熔体气泡成核解释存在的不足。

It is used for aging test for wire, cable, the sheath of rubber ( plastics and artificial leather ) and insulation layer, as well as the other high polymer materials under the specific pressure and temperature in the medium of oxy

本仪器适用于电线、电缆、橡胶护套及绝缘层以及其它高分子材料在规定的压力和温度下，在氧气和压缩空气的介质中进行老化试验。

In this paper,a mathematical model has been derived for simulating the parison free inflation in the plastics extrusion blow molding.

在本文中，一个数学的模型为了在塑料挤压打击铸造时模拟parison的自由的通货膨胀已被引出。

Go to your desktop and right click in a blank space.

请到您的桌面，然后右击一个空白。

Tara appears in Buddhism, Jainism, and particularly, Tibetan Lamaism, as a complex array of manifestations: goddess of ascetism and mysticism, mother creator, protectress of all humans as they cross the sea of life.

度母出现在佛教，耆那教里面，尤其是西藏的喇嘛教，作为一系列的陈列阵容；神秘的女神，创世之母，人类横过生命之海洋的女性保护者。