The cationic rosin was synthesized by solvent method, with rosin, trimethylamine and epoxy chloropropane as raw materials.
采用松香、三甲胺和环氧氯丙烷为原料,溶剂法合成了阳离子松香。
With the method of the polarization curves test, the Tafer constants of the platinum carbon composite electrodes made by different carbon materials and different preparation were tested.
利用极化曲线测试法分析了不同碳材料和不同方法制备的铂碳复合电极的塔菲尔常数。
Responsible to define specifications and test method for all materials concerned with production, review the quality specification, SOP and the other documents, revise, implement them and etc.
负责制订与产品相关的物料的检验项目和检验方法,审核质量标准、SOP和其它文件,及其修订、实施等。
This test method covers the determination of the change of resistance with temperature of metallic materials for electrical heating, and is applicable over the range of service temperatures.
本试验方法适用于电热合金随温度变化的测量,亦可用于超过电热合金使用温度范围的情况。
By two double-mediate layer method, using developed welding materials and technology of forced arc molding, butt joining tests of high manganese steel with rail steel are completed.
采用两种过渡层方法,使用研制的过渡层焊接材料,结合强制成形电弧焊工艺进行了高锰钢辙叉与钢轨双过渡层对接焊试验。
All incoming materials must be marked with durability and incoming time, so that we can use the "FIFO" method to send and receive materials management.
所有来料必须于容器上注明保质期限及来料时间﹐以便按“先入先出”方式进行收发料管理。
With this method, the data is accurate, reliable and it is valuable in studying the feature and structure of materials.
使用这种测量方法,得到的数据准确、可靠,对材料的物性及材料结构的研究有着十分重要的价值。
Principles of fuzzy neural network and FNN method are adopted for the numerical simulation of network modeling and forecasting of beams with finite deformation of two different materials.
本文运用模糊神经网络原理,采用学习结合型FNN方法,针对两种不同材料梁的大变形进行了网络建模和预测的数值仿真。
In the end, with specific designing method and materials, the construction can be conducted.
再通过采用具体的设计方法和材料开始实施建设。
This paper is introduced the method, grouted materials, principles and effects of sealing water in shaft wall with C-S grout and chemical grout on three shafts in recent years.
本文介绍近年来三个矿井利用C - s双液浆和化学浆处理井壁淋水的方法、材料、反应机理和堵水效果。
So the meshing clearance technique is a feasible method for the sabot design with the materials of low density and low intensity.
因此间隙啮合技术为低密度低强度材料的弹托设计提供了可行的方法。
The properties and qualities of the marking materials with red fluorescence are very important in bond and currency as an anti-fake method.
红色荧光标识材料的物化性能与品质决定了其作为主要防伪手段在证券和货币上的运用。
This paper deals with oscillatory feed cutting which is a reliable chip breaking method and can be applied regardless of the materials processed, cutting parameters and tool geometry used.
本文研究的振荡切削法,是一种不受工件材料、切削用量和刀具几何形状限制的可靠断屑方法。
The TPS materials with different glycerol contents were produced by melt blending method. The influences of the glycerol contents on the structure and properties were studied.
通过熔融共混的方法制得甘油含量不同的TPS样品,研究了甘油含量对材料的结构与性能产生的影响。
Compare with metals material, engineering plastics are a sort of new type project structure material, and lack the complete theories method and data in design and choice of materials.
工程塑料是一种新兴工程结构材料,与金属材料相比,在选材、设计和使用方面缺乏系统完整的理论方法和资料。
The method of manufacturing glass ceramics with steel slag, fly-ash, copper mine tailings and sandstones as major materials was described.
介绍了以钢渣、粉煤灰、铜尾矿及砂岩为主要原料制备微晶玻璃的方法。
Materials and Method: ct and MRI examinations of 35 children with sacrococcygeal germ cell tumors proved by surgery and pathology were reviewed, retrospectively.
材料和方法:对35例经手术病理证实的骶尾部畸胎瘤和卵黄囊瘤的CT和MRI检查资料进行回顾性分析。
In this paper a perturbation boundary element method is proposed to analyse stress and strain for the problems with nonlinear materials.
本文提出用摄动边界元法对材料非线性问题进行应力、应变分析。
The results confirm that this method is very apt in creating interesting surface effects on textile materials with a low fluorine concentration and at a high throughput speed.
结果表明,这种利用低氟浓度和高流通速度的方法可以在纺织材料表面产生出令人满意的表面效果。
The essay discusses the accuracy of area method of thermal quantitative analysis and the effect of sample particle size with different materials on thermal analysis.
前言: 研究了差热定量分析面积法的准确性和不同物料样品粒度对定性差热分析的影响。
The materials of injury of high level athletes, especially the waist injury and injury condition of relative movement program athletes were checked with literature data method.
采用文献资料法查阅关于高水平艺术体操运动员的损伤尤其是腰部损伤及相关运动项目运动员的损伤现状方面的资料。
The work piece can be clad with lagging materials immediately after overlay and adopt slow cooling method on the basis of different principle material and complicated shape of the work piece.
根据工基体材质的不同情况和工件形状的复杂程序,也可采用堆焊后立即有保温材料包覆,然后缓冷的处理方法。
A transient method with rectangular pulse heating has been developed to measure the specific heat and thermal conductivity of solid structural materials at low temperatures.
提出了一种采用方波热脉冲测量低温下固体结构材料的比热和热导率的非稳态方法。
Antioxidant tris (nonyl phenyl) phosphate was prepared with nonyl phenol and phosphorus trichloride as raw materials, arene as solvent and by using directive esterification method.
以壬基酚和三氯化磷为原料,芳烃为溶剂,采用直接酯化法,可制备三壬基苯基亚磷酸酯。
Ceramic-wood composite is a kind of new composite materials, which is produced by an appropriate composite method with wood as matrix and inorganic ceramic as reinforcement.
陶瓷化复合木材是以木材为基体,无机非金属物质为增强体,通过适当的复合工艺而得到的一种新型复合材料。
Objective:To evaluate the capacity of biological materials tanned with a compound method and the clinical performance of biovalves made of them.
目的:评价复合鞣制的生物材料性能及异种生物瓣膜临床应用效果。
By using energy method, the problem is discussed of the delamination buckling of a fiber bridge elliptical surface made of stitched laminates and woven laminates with 3d composites materials.
用能量法求解了绑结层合板和编织层合板等3d复合材料中纤维搭桥的椭圆形表面脱层屈曲问题。
The reason of packed feed affected with damp, the mechanism of moisture penetrating packaging material and method of choosing dampproof materials were expounded.
阐述了包装饲料受潮的原因、包装材料的透湿的机理及选择防潮材料的方法。
The synthesis of ethyl vanillin from urotropin is a major method with high yields, simple process, and available raw materials.
乌洛托品法是合成已基香兰素的一种重要方法,它操作简单,原料易得,产率较高。
Using natural forsterite and magnesite clinker as raw materials, the forsterite refractories with micropore and high strength has been prepared by foaming method.
以镁橄榄石和镁砂为主要原料,粘土为结合剂,利用泡沫法制备了微孔、高强度的镁橄榄石制品。
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