The blending mechanical modification and blending process modification of soft and hard HPVC were studied systematically.
系统地研究了HPVC软质材料、硬质材料的共混力学改性和共混加工改性。
PP; nano-sized ATH; red phosphorus; surface modification; flame retardancy; mechanical property.
聚丙烯；纳米氢氧化铝；红磷；表面改性；阻燃性；力学性能。
Inspect work of aircraft mechanics performing maintenance, repair and overhaul, or modification of aircraft and aircraft mechanical systems to ensure adherence to standards and procedures.
检查飞机机械师进行维护，修理和大修或改装飞机和飞机机械系统的工作，以确保遵守标准和程序。
At present the dynamic mechanical temperature spectra are used to analysing the mechanism modification polymer material qualitatively.
目前，用动态力学温度谱可对高分子材料改性的机理作定性分析。
In order to improve transmission assembly quality, to reduce intensity of Labour, modification of mechanical bearing pressing technology to rear cover assembly was conducted.
为了提高变速器装配质量，减轻工人劳动强度，进行了后盖总成轴承机械压装技术改造。
The dispersion methods of carbon nanotubes are as follows:surface chemical modification, dispersing by dispersant, ultrasonic dispersion, mechanical dispersion and dissolving in solution.
碳纳米管的分散方法主要有：表面化学修饰、分散剂分散、超声分散、机械分散、溶剂分散。
An experimental research on surface modification of complicated bauxite tailings by mechanical force is described in this paper.
利用机械力化学改性方法对复杂铝土矿尾矿进行了表面化学改性的研究。
Preparing a conductive composite film through compounding of polyaniline and substrates with good mechanical behavior is an important method of polyaniline modification.
将力学性能好的基质与聚苯胺相复合制备聚苯胺导电复合膜是对聚苯胺改性的重要方法之一。
In this paper, an inverse eigen derivative method (IEDM) for dynamic modification of mechanical structures is formulated for improving the eigen derivative method (EDM).
本文针对机械结构动力修改的特征导数法(EDM)所存在的问题，提出逆特征导数法(IEDM)。
The results show that the polarity and reactive activity of the surface of wheat straw fiber are improved by the modification, as well as the mechanical properties of MDF with modified fibers.
结果表明，所采用的改性方法，提高了麦草纤维表面的极性和反应活性，用改性的麦草纤维制得的中密度纤维板，其力学性能有显著提高。
It is mainly concerned the modification of Composition B to control exudation, restrain irreversible size growth, enhance mechanical properties and decrease sensitivity.
防治B炸药渗油、抑制其药柱尺寸不可逆长大、增强其力学性能和降低感度是B炸药改性研究的重要内容。
The methods of modification included the surface covering of graphite with a layer of disorganized carbon or a film of appropriate metal, surface oxidation, mechanical grinding and doping.
修饰与改性方法包括形成包敷层和金属层、表面氧化、机械研磨以及掺杂等方法。
Mechanical blending is an important means in use for plastics modification.
机械共混是塑料改性的重要手段之一。
PVA modification enhances mechanical performance of NWF, tensile strength and tear resistance are increased by 25.0% and 21.6% respectively.
PVA改性增强了无纺布的力学性能，拉伸强度和撕裂强度分别提高了25.0%和21.6%。
The mechanical properties, surface morphology, chemical composition and surface cohesion property of UHMPE fiber were studied before and after surface modification.
研究了处理前后uhmpe纤维的力学性能、表面形貌、化学成分、表面粘结性能的变化。
So, the new surface modification technology of wrought magnesium alloy is of great practical significance to enhance the chemical and mechanical characters.
因此，采用表面改性技术以增强镁合金表面的化学和力学性能具有重要的现实意义。
The general methods of recycling waste polyester include mechanical recovery, chemical modification, chemical degradation and so on.
常见的废聚酯处理方法包括机械处理、化学改进、化学降解等。
Analyzes the design characteristics of the spiral groove combined mechanical seal, and presents its operation and modification.
对螺旋槽组合式机封的设计特点进行分析，并对运行情况和改进进行介绍。
Responsible for the mechanical design of automatic modification of our current machine, responsible for the mechanical design of automatized machine improvement;
负责工厂已有机器的自动化改造机械结构设计及已有自动化产品的改进设计；
In this paper the mechanical properties of the different hybrid modes and UHMWPEF surface modification for CF/UHMWPEF composites are investigated through tests and comparison.
本文对不同铺层方式的碳纤维（CF）和高强聚乙烯纤维（UHMWPEF）混杂复合材料的力学性能进行测试，同时对UHMWPEF表面处理前后的混杂复合材料性能进行了比较。
The factors influencing the viscosity property of kaolin pigment were introduced, followed by the modification methods, such as mechanical process, treatment with dispersant, etc.
介绍了高岭土的黏度改进加工方法，如机械加工，分散剂处理等。
In 1979, scientific research institute of China academy of railway and mechanical institute of high-power diesel engine cylinder collaboration of surface modification of laser.
1979年，铁道科学研究院以及中国科学院力学研究所等合作完成大功率柴油机缸套表面的激光改性处理的研究。
With this modification, as spun fiber with high performance can be obtained by one step process. The structure and mechanical properties of the as spun fibers were characterized.
分析了此法制得的纤维的结构和力学性能的变化以及工艺条件的影响，指出其性能的提高是由纤维结构中取向非晶态含量大大增加所引起。
Improvement for the mechanical seal cover and nationalized modification for the mechanical seal are made, and good results and benefit have been achieved.
分析了引进苯酐泵的运行情况，进行了机封压盖改进和机封国产化设计，取得了良好的效果和效益。
The effect of strontium modification and its fading behavior on the microstructure and mechanical properties of the direct electrolytic A356 alloys were investigated.
研究了直接电解低钛a356合金锶变质处理及其衰退行为对合金组织及性能的影响。
The modification results in the excellent mechanical properties, water resistance and melting fluidity of this composite material.
结果表明：该复合材料有优良的拉伸强度、抗水性和熔融流动性；
Compound modification; Direct quenching; Composites; Solidification microstructure; Mechanical properties.
复合变质；直接淬火；复合材料；微观组织；力学性能。
The results show that the compound modification can greatly improve the mechanical properties of the alloy, which can satisfy the demand of A357 alloy sand casting.
结果表明，采用复合变质法可大大提高A357合金的力学性能，处理后其能满足该合金砂型铸造的使用要求。
The results show that the compound modification can greatly improve the mechanical properties of the alloy, which can satisfy the demand of A357 alloy sand casting.
结果表明，采用复合变质法可大大提高A357合金的力学性能，处理后其能满足该合金砂型铸造的使用要求。
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