the lock nuts type st 2 developed by the writer adopts the anti loose principle of reducing or even eliminating the radial clearance in thread pairs.

1、

at the same time by changing the cad model of radial clearance, the different radial clearances of the axial flow fan are compared for the fan performance optimization.

同时通过改变CAD模型中的径向间隙，对不同径向间隙的轴流通风机流场进行对比，得到了优化的风机设计。

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2、

and we found out that the major causes of vacuum leak lied in a leakage in the low-pressure explosion-proof door, a bigger low-pressure vapor seal radial clearance, and the low tightness of the cylinder.

分析发现低压防爆门泄漏、低压汽封径向间隙偏大及汽缸严密性能差是造成汽轮机真空系统漏空的主要原因。

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3、

the algerian native ahmed ressam was arrested in december of 1999.

阿尔及利亚人艾哈迈德·雷沙姆于1999年12月被捕。

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4、

nickel-lanthanum-phosphorus alloy deposits were obtained from aqueous solutions by using citric acid and ammonia chloride as mixed ligand and boric acid as stabilizer.

因此，采用柠檬酸和氯化铵为混合配位体，硼酸为稳定剂从水溶液中电沉积出Ni－La－P合金镀层。

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5、

it studied the influences of rare earth stabilizer on the properties of pvc and compared it with organotin stabilizer.

主要以有机锡稳定剂为对比物，研究了稀土稳定剂对PVC性能的影响。

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6、

the results showed that the novel composite stabilizers increased the heat stability of pvc and improved its processability.

结果表明，新型复合稳定剂XWP-1提高了PVC的热稳定性，改善了其加工性能。

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7、

compound stabilizer for electroless ni-p alloy plating in lactic acid-malic acid system

乳酸-苹果酸体系化学镀Ni-P合金复合稳定剂的研究

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8、

influences of stabilizer on storage stability of sbs modified asphalt

稳定剂对SBS改性沥青储存稳定性的影响

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9、

the experimental results demonstrate that the stabilizers have positive effect on smoke suppression of pvc.

结果表明：这三类热稳定剂对PVC均有一定的抑烟作用，其中钙锌稳定剂的抑烟作用更为明显。

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10、

nitroxyl free radicals formed from hindered amine light stabilizers under~ ( 60) co γ-ray irradiation

受阻胺光稳定剂在~（60）Coγ射线辐照下直接生成氮氧自由基的研究

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11、

it could maintain the content of natural vitamin c better to add a compound antioxidant which was mainly made up of phytic acid.

通过在果汁饮料中添加以植酸为主的复合抗氧化稳定剂，能较好地保护天然维生素C没有被破坏。

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12、

development of research on green heat stabilizers

绿色环保PVC热稳定剂的研究进展

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13、

the application performance of rare-earth stabilizer in pvc

稀土稳定剂在PVC中的应用性能

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14、

today and future of pvc organotin thermal stabilizers

PVC有机锡热稳定剂的现状与展望

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15、

synthesis and property of amido-thiol-tin as pvc stabilizer

PVC热稳定剂酰胺基硫醇锡的合成

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16、

studies on the properties of pvc materials with a new type of composite stabilizers

添加新型复合稳定剂的PVC材料的性能研究

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17、

present situation and prospect of pvc heat stabilizer

PVC热稳定剂及国内发展现状

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18、

structure analysis of rare earth stabilizers for pvc

PVC稀土热稳定剂结构分析

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19、

application of high performance ca/ zn heat stabilizer on the rigid pvc

高效钙锌复合热稳定剂在硬质PVC中的应用

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20、

the influence of metal soap thermal stabilizers on the dehydrochlorination of flexible pvc

金属皂类热稳定剂对软质PVC脱氯化氢反应的影响

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