The austenitizing temperature was raised by addition of RE and low melting-point alloy which were the elements of strongly promoting and stabilizing the pearlite.
同时稀土与低熔点合金元素的加入,是强烈促进珠光体的元素,具有稳定珠光体的作用,提高了奥氏体化温度;
Objective To detect whether the make of the low melting-point lead block coincides with the request of routine radiation treatment and check the quality control of this method.
目的:检验低熔点铅挡块的制作是否符合常规放射治疗的要求及其质量保证和质量控制的方法。
A part surface can be infiltrated with a low melting point metal to increase density, strength, hardness, ductility and impact resistance.
零件表面能被低熔点金属渗透以增大密度、强度、硬度、延展性和抗冲击能力。
Though the analyzing of the upper part of oil box and the designing of the structure of the die, the article discusses the characters and advantage of the low melting point alloy die.
以分析起重机油箱上体工艺特性和设计其低熔点合金拉深模具结构为例,论述了低熔点合金冲压模具的结构特点及优势。
Account should be taken of the low melting point of this substance.
应该考虑到这种物质的熔点低。
Electric heating pipe can be widely used in heating water, oil, air, nitrate solution, acid solution, alkali solution and low melting point metal (aluminum, zinc, tin, Babbitt).
电加热管可广泛应用于加热水、油、空气、硝盐溶液、酸溶液、碱溶液和低溶点金属(铝、锌、锡、巴氏合金)。
Rubber protective wax is made from paraffin wax with low melting point, paraffin wax with high melting point and polyethylene wax.
橡胶防护蜡,是由低熔点石蜡、高熔点石蜡、微晶蜡和聚乙烯蜡制成的。
They have characteristic of low melting point, low vapor pressure, adjustable acidity, strong solubility and high viscosity.
它具有熔点低、蒸气压小、酸性可调及良好的溶解度、粘度和密度等特点。
A halogen element, f, is major raw materials deriving fluorine compound, and because of low melting point, that is widely used in steelmaking, nonferrous metal smelting, cement, glass and ceramics.
萤石中含有卤族元素氟,是制取含氟化合物的主要原料,又由于熔点低而广泛用于炼钢、有色金属冶炼、水泥、玻璃、陶瓷。
It turns out that the crystal on the time-scale of the DSC experiment is stable, which is not transformed from the crystal with low melting point.
结果表明该晶体在dsc扫描的时间尺度范围内是稳定的,能保持原有的熔融特性,不是低熔点晶体转化而成的晶体。
It has low melting point and good wettability to the base-metal, and contains a high-strength and high-hardness solid solution structure, with a high strength of soldering joint.
该钎料具有熔点低,对母材的润湿性好,钎焊接头组织中含有强度、硬度较高的呈弥散分布的固溶体,以及接头强度较高等特点。
The uniformity of thin melt-blown webs which is produced of low melting point copolyamide by melt blowing line with accessory device was tested by weight method.
采用称重法对在添加了辅助装置的熔喷设备上制得的以低熔点共聚酰胺为原料的热熔纤网的均匀性进行了测试。
This paper describes the development trend of low melting point and high melting point type Lead-free solder paste.
概述了低熔点和高熔点型无铅焊膏的开发动向。
The Zn-Al alloy has many advantages, such as good mechanical property, strong antifriction property, processable property, small density, low melting point, affluent raw material, low cost and so on.
高铝锌基合金具有优良的力学性能、耐摩性能、机加工性能、以及密度小、熔点低、原材料来源丰富和成本低等优点。
There are many pores in the sinter, which is attributed to low melting point and crystallization capacity of the binding phase.
低氟烧结矿中存在大量微气孔是由于其粘结相的熔点和结晶能力低造成的。
This paper introduced a low melting point high strength nano vitrified bond with controllable pores developed by the authors, in respects of the sintering process and its pore structures.
本文介绍了自主研制的具有可控气孔的低熔高强纳米陶瓷结合剂的烧结工艺和气孔结构特性。
The aluminium deposition and dissolution loss in low melting point electrolyte melts have been studied.
研究了强酸性低熔点电解质熔液中铝在钨丝电极上的沉积和溶解损失。
These natural minerals with low melting point, accelerate the dissolution of lime, and form a slag of high basicity and good fluidity suitable for desulphurization.
这些天然复合矿物具有较低的熔点并且能满足流动性好的高碱度炉渣的去硫作用。
For these low melting point polyesters with different content of modifier r, the influence of temperature on viscosity of melt must be paid attention during post processing.
对于改性剂r含量不同的低熔点聚酯,在后加工时应充分考虑到温度对熔体粘度的影响。
How to control the temperature curve to fit with the properties of low melting point glass dust is very important to keep the product′s quality.
怎样依据低熔点玻璃膏的特性,控制一条保证产品质量的温度曲线是保证粘接质量、少出废品的关键。
To solve the problem of short service life and poor performance of low melting point alloy mould manufactured by arc spray forming, the manufacturing of stainless steel mould has been presented.
为了解决低熔点材料电弧熔射成形模具使用性能差、寿命低等问题,提出电弧熔射成形制作不锈钢模具的方法。
Objective To evaluate the radiotherapy effects on nasopharyngeal carcinoma with low-melting-point lead irregular shield technique.
目的探讨低熔点铅不规则档块技术在鼻咽癌放疗中的临床价值。
The results indicate that the classical heat transfer mechanism is suitable for the medium wall load and the potential heat of the low-melting-point alloy is useful for high wall load.
结果表明,对于中等壁负荷,传统的传热机制是适宜的,而对于高强壁负荷,把低熔点合金的相变贮、放热机制引进到混合堆的热工学中是有意义的。
But it has low melting point and sintering point, when it is used to extinguish a fire, it can rapidly decompose to form a layer of film, which can cover the surface of comburent and make the fire.
但低聚磷酸铵具有较低的熔点和烧结点,用来灭火时能迅速分解形成膜层覆盖于燃烧物表面使火焰熄灭。
A low-melting point PET can be produced by adding the proper third and forth monomers during regular PET production.
在常规PET生产中加入适当的第三单体和第四单体可制备低熔点聚酯。
Additionally, the glass phase with low melting point may also cause microwave dielectric loss to increase remarkably.
另一方面低熔点的玻璃相引起微波损耗急剧上升。
The Certified Valve Action is a highly-visible liquid paint marker pre-certified to contain low levels of chlorides, halogens, low melting point metals and sulfur.
标准阀动作是一个非常明显的液体油漆标记预认证,含有低浓度的氯化物,卤素,低熔点金属和硫。
The paper developed low-melting-Point alloy cores, through die casting experiment, the cores hole deformed well.
自行研制的低熔点合金型芯,经压铸实验,铸件孔成形完好。
The melting and casting technology of the easy-cutting aluminum alloy2011 was introduced, especially in view of the doping method of those low melting point elements.
介绍了2011易切削铝合金的一些熔炼铸造工艺特点。介绍了在2011合金中加入的低熔点金属特殊的加入方式。
Low melting point and good liquidity to base the welding deformation is small.
低熔点及良好的流动性使母材焊接变形很小。
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