性能

The corrosion and the mechanism of corrosion resistance of steel products have been introduced in this paper,and the research on the corrosion resistance of the super-thin intumescent fire coatings for steel structures ,which are with both high fire performance and insulation and good corrosion resistance and with the resin of crylic acid as the substrate,is mainly included.

介绍了钢材的腐蚀及防腐机理，研究了以对丙烯酸树脂进行复合改性为基料，研制出的一种既具有高效防火隔热性能，又具有优异防腐蚀性能的超薄膨胀型钢结构防火涂料的防腐性能。

The result indicated that, gathers in advance the emulsion water resistance and mechanics performance which in the body preparation method the one-stage process obtains is good, but two steps obtain the emulsion stability is good; The neutralizaing agent triethylamine amount used should enable to achieve neutral between x-y, to gathers in advance the body disperser and the emulsion stability only then is advantageous; The water affinity chain extendor DMPA content to the emulsion viscosity, stable and the emulsion cellophane water resistance has the remarkable influence, its amount used general control between x-y; Hard section isocyanogen diethylene glycol dinitrate primary control paint film degree of hardness, module, anti-avulsion, wear-resisting and so on performance, the soft section low-molecular polymer polyols primary control paint film elasticity, hydrolisis performance and so on bears the low temperature and bears

结果表明，预聚体制备方法中一步法得到的乳液的耐水性和力学性能较好，而两步法得到的乳液的稳定性好；中和剂三乙胺的用量应使中和度达到x-y之间，对预聚体的分散和乳液的稳定性才有利；亲水扩链剂DMPA的含量对乳液的粘度、稳定性及乳液胶膜的耐水性有着显著的影响，其用量一般控制在x-y之间；硬段异氰酸酯主要控制涂膜的硬度、模量、抗撕裂、耐磨等性能，软段低聚物多元醇主要控制涂膜的弹性、耐低温和耐水解等性能

The influence of chain extension coefficient on properties of PUU elastomer s modified by isocyanurate was studied.

考察了扩链系数对异氰脲酸酯改性的聚氨酯脲弹性体性能的影响，通过改变扩链系数探讨PUU的力学性能和耐溶剂性能的变化规律。

The cure reactions of ternarysystem containing poly, poly and HDI isocyanurate, and the effect of the ratio ofPGA/POH on the thermal, mechanical and surface properties of curedresin have also been examined.

本文还研究了聚丙烯酸环氧丙酯、聚丙烯酸羟丙酯和六亚甲基二异氰酸酯三聚体的反应及三元反应体系中PGA／POH的不同比例对交联后树脂的热性能、力学性能及表面性能的影响。

The microstructure and properties of steel SUS304 MAG welded joint was studied through metallograph observation and property tests.

通过金相观察、力学性能和耐晶间腐蚀性能试验，研究了SUS304不锈钢MAG焊接头组织与性能。

The anatase crystals of the TiO2 films connected together to form netlike structure after calcined, and th

在自制的光催化反应装置中以10mg/L甲基橙为降解对象，考察了TiO2薄膜的光催化性能，在4h内直接干燥的TiO2薄膜脱色率达到95%，经热处理后薄膜的光催化性能有一定提高，这说明采用AS溶胶前驱体制备的TiO2薄膜光催化性能良好。

In order to study the effects of phases of HMX on the nitramine propellants, the combustion performance and mechanical properties of nitramine propellants containing α-HMX and β-HMX were tested by closed combustion bomb and mechanical properties tester.

为了研究奥克托今的晶型对硝胺发射药性能的影响，采用密闭爆发器以及力学性能测试仪，对含α-HMX和β-HMX两种不同晶型硝胺发射药的燃烧性能和力学性能进行测试。

The two-mode fiber acoustic-optic nonreciprocal phase shifter consists of twoacoustic-optic frequency shifters same in characteristic and mode strippers, etc. Socharacteristic of the acoustic-optic frequency shifter and the identification of twoacoustic-optic frequency shifters' characteristics are very important.

双模光纤声光非互易相移器由两个性能一致的声光移频器及模式剥离器等构成，因此声光移频器本身的性能如何以及两个声光移频器的性能是否一致非常关键。

The montorillonite is treated with these agents, which results in marked increase in their organophilic properties. The orgnic-montmorillonite has been identified by X-ray diffraction, different thermal analysis and infrared adsorption spectra. Polyethylene/montmorillonite composites are pre- pared by melt intercalation. The compatibility of PE and MMT is improved with different compatibilizers. As a compatibilizer, maleated polyethylene is better and has been proved by XRD and mechanics performance.

同时用X射线衍射衍射实验、红外光谱实验、差热分析试验、力学性能测试等手段，研究了采用不同的相容剂改善聚乙烯与蒙脱土之间的相容性的情况；相容剂的用量对聚乙烯/蒙脱土复合材料层间距、性能的影响；蒙脱土的含量对PE/MMT对复合体系的层间距影响；以及工艺条件对复合体系的层间距和性能的影响。

In the dissertation the low-dimensioned orthovanadate nanomaterials such as Lanthanum orthovanadate (LaVO_4) nanorods, Cerium orthovanadate (CeVO_4) nanorods, Yttrium orthovanadate (YVO_4) nanorods and one-dimensional ammonium vanadate nanomaterials were chosen as the objects of study. Modern testing methods were used to study the preparation, structure and properties of low-dimensioned orthovanadate nanomaterials.

以LaVO_4纳米棒、CeVO_4纳米棒、YVO_4纳米棒等低维稀土钒酸盐纳米材料和一维钒酸铵纳米材料等为研究对象，采用现代测试手段对低维钒酸盐纳米材料的合成、结构和性能进行了深入研究，探讨了组成、结构及性能的相关性，分析了结构形成和性能优化的机理和规律。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。