查询词典 alloy

In summary, to judge whether the content of lead alloy can be achieved in the corresponding duty exemption, First, we must judge whether lead in the presence of alloying elements such as alloy.

综上所述，要判断合金中的铅含量是否可以达到相应的豁免值，就要首先判断铅是否是作为合金元素存在于这些合金当中。

Therefore,melt-spin treatment of Cu-P intermediate alloy is effective to improve the wear resistance of Al-Si alloy.

因此，用熔体快淬Cu-P中间合金进行改性处理是提高Al-Si合金的耐磨性的有效办法。

Elding on metal base of anti-acid stainless steel.A 5kW laser with CO2 flow transverse was used for cladding Co-base alloy or Ni-base alloy powder replaced on the base metal.

使用5kW横流CO2激光器对预置于基体上的Co基自熔合金粉末进行单道或多道扫描。

Temperature is divided into low-melting-point alloy fuse-shaped form with the trigger temperature shape memory alloy, etc. There are temperature fuse is easy to prevent heat or electrical heating appliances for the protection of high temperature, such as: hair dryer, electric iron, electric rice cookers, electric, transformers, motors, etc.; its temperature rise in response to the increased electrical power, would not care about the current size of the circuit.

温度保险丝又分为低熔点合金形与感温触发形还有记忆合金形等等（温度保险丝是防止发热电器或易发热电器温度过高而进行保护的，例如：电吹风、电熨斗、电饭锅、电炉、变压器、电动机等等；它响应于用电电器温升的升高，不会理会电路的工作电流大小。

The factory is the development and production of special precision resistance, electric alloy and alloy products of the joint-stock enterprises.

本厂是开发、生产特种精密电阻、电热合金及合金制品的股份制科技企业。

The results showed that Ni-W-B alloy electrodeposit obtained from the solution containing ammonium citrate as a complexing agent was presented in the lower electrochemical activity compared with Ni-W alloy.

结果表明，在以柠檬酸铵为络合剂的溶液中，Ni-W-B合金沉积层较Ni-W合金有较低的电化学活性。

Die Another of the company to operate with precision guide columns, guided pack, round, square line aids, date chapter polished alloy head, alloy File, rubber wheel, emery cloth wheel, flint Aberdeen, fiber oilstone, spring milling, ultrasonic polishing equipment , precision cold SLIDE, easy car iron.

另本公司经营冷冲模用精密导拄，导套，圆形、方行辅助器，日期章，合金打磨头，合金锉刀，橡皮轮，砂布轮，火石仔，纤维油石，铣床弹簧，超声波抛光设备，精密冷拉管，易车铁。

According to IS theory as well as die bond requirement in reality, Au/In was chosen by virtue of appropriate equilibrium diagram and high reaction rate from a variety of binary alloy systems as die bond media. To match CET of chip material of silicon, alloy 42 (Iron-Nickel) rather than copper—2 kinds of lead-frame materials in most common usage, was selected as substrate.

根据等温凝固原理和芯片焊接的实际需要，从多组二元合金中选出了共熔点低、反应速度快的金和铟作为焊接材料；并以硅片作为芯片，从目前最常用的框架材料—铜和铁镍四十二合金中，选出了与硅的热膨胀系数相近的铁镍四十二合金作为衬底材料。

To reduce the eutectic in DZ68 alloy, the mass fraction of Ti in alloy should not be more than 1.7%.

为了减少DZ68合金组织中析出的共晶，Ti的质量分数应控制在1.7%以下。

That provides great significance for clarifying the interaction between the external environment and the alloy composition under high temperature, especially for optimizing the composition of the alloy in order to improve its performance.

为明晰高温条件下外界环境与合金成分的相互作用关系，及优化成分进一步提高合金性能提供重要参数。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。