锡合金

Antifriction alloys with tin and lead are used as components of machine bearings.

锑与锡、铅和铜构成耐磨的巴比合金，用于机器轴承部件。

The bronze ware is a great invention in the history of humanbeings. It is some kind of material in alloy which is made up of red copper with tin or plumbic.

青铜是人类历史上一项伟大发明，它是一种红铜加锡或铅的合金材料，也是金属冶铸史上最早的合金。

Ammonia pressure meter is a special meter for ammonia, used to measure various non-crystallized and solidified medium that have no corrosive action on common carbon system steel, alloy structural steel, Austenite stainless steel, or tinsel bar solder, principally applicable for measuring pressures of liquefied ammonia, gas, or other mixtures in cooling equipments in chemical fertilizer production.

简介 氨压力表为氨专用仪表，用于测量对普通碳钢、合金结构钢、澳氏体类不锈钢及锡铅合金钎焊料无腐蚀作用，非结晶和凝固的氨气、氨液介质的压力。主要适用于化肥生产过程中设备或其他中用来测量氨的液体、气体或其混合物等的压力。

1Mm ~~ 500mm2024: 2.5mm ~ 300mm 5052:0.4 mm ~ 100mm2, copper alloys: brass, brass environmental protection the minimum diameter of 1.5mm, maximum diameter 120mm , copper, tungsten copper, bronze (high, medium and low, chromium bronze, phosphor bronze, aluminum-bronze, silicon bronze, manganese Bronze, tin bronze, wear-resistant copper, copper alloy, copper Cup with disabilities (including plate, rod, row, ribbons, sticks, pipes, lines), such as several varieties. 3, China imported stainless steel material (304 , 301,316,202, including plates, rods, line and belt, sticks, Pai, possession) and many other industrial raw materials, as well as titanium, titanium rods. 316 diameter of the smallest of imports of stainless steel wire 0.2mm , maximum diameter of 15mm.

1mm~~500mm2024：2.5mm~300mm 5052：0.4mm~100mm2、合金铜材：黄铜、环保黄铜（最小直径1.5mm，最大直径120mm、红铜、钨铜、铍青铜、铬青铜、磷青铜、铝青铜、硅青铜、锰青铜、锡青铜、耐磨铜、合金铜、杯士铜（其中包括板、棒、排、带、枝、管、线）等数种品种。3、国产进口不锈钢材料（304、301、316、202中包括板、棒、线、带、枝、排、管）等多种工业原材料，以及钛板、钛棒。316不锈钢线进口直径最小0.2mm，最大直径15mm。

ABSTRACT in the first part of this thesis, the interaction between cu-sn and ni-sn interfacial reactions in a soldering system has been studied by using a ni-sn3.5ag-cu sandwich structure. a layer of cu-sn intermetallic compound was observed at the interface of the ni foil after 30 seconds reflowing.

在电子元件高功率及及轻、薄、短、小化的要求下，热一直是造成电子元件失效的原因之一，BGA封装的主要失效原因是作为接点的锡铅共熔合金（63Sn-37Pb；或称锡球）的疲劳破裂，这是导因於封装体不同材料间热膨胀系数的差异所造成的热应变。

Copper alloy (green copper, copper, tungsten-bronze-bronze, chromium copper, phosphor bronze, aluminum bronze, tin bronze, copper alloy, such as several varieties) of imports of Chinese-made stainless steel material (304,301,303,316,202) and many other industrial raw materials.

合金铜材（环保铜、红铜、钨青铜铍青铜、铬铜、磷青铜、铝青铜、锡青铜、合金铜、等数种品种）国产进口不锈钢材料（304、301、303、316、202）等多种工业原材料。

Qing Han, Dongguan City Electronic Co., Ltd.(located in Dongguan City HengLi town) official register was established in 2006, is a company specializing in the production and sale of electronic pin needle, I-pin-pin, cross pin-pin, T-shaped pin-pin, L-shaped pin-pin , U-shaped pin-pin, S-shaped pin-pin, V-shaped pin-pin, pin shaped needle, PCB board and the Quartet jumper pin needle manufacturers, materials have tinned copper clad steel, brass, copper, phosphor bronze alloys, expansion alloys etc. Materials have square, round, flat-type three categories, and in accordance with customer drawings and samples processing, Product length can be achieved between 1mm ~ 65mm; company from the start of the workshop small enterprises have become the current "Dongguan City Qing Han Electronics Co., Ltd."This is all the staff dedicated, hard working, the pursuit of the company that makes the growing scale of production, equipment increasing, making products that are widely used in connectors, transformers, transformers, reactors, inductors and electronic switch industry, and are subject to the broad masses of customers.

东莞市擎瀚电子有限公司正式注册成立于2006年，是一家专业生产及销售电子pin针、工字pin针、十字pin针、T形pin针、L形pin针、U形pin针、S形pin针、V形pin针、异形pin针、PCB板跳线及四方pin针的厂商，材质有镀锡铜包钢、黄铜、紫铜、磷青铜合金、膨胀合金等，材料有方型、圆型、扁型三大类，并可根据客户来图来样加工，产品长度可做到1mm~65mm之间；公司由开始的小型加工作坊企业成为现在的&东莞市擎瀚电子有限公司&这在于全体员工兢兢业业、努力不懈的追求，才使得公司生产规模日益壮大，设备不断增加，使得产品广泛用于连接器、变压器、互感器、电抗器、电感器及电子开关行业，并受到广大客户的一致好评。

Possession of iron wood, copper, alloys and other metal surface polished, copper, nickel, chrome, tin plated bronze, plated bronze sand, bronze-plated, nickel-plated bronze, nickel-plated fog, plating Sha nickel processing business, such as the ability, especially for hardware, lighting, handicrafts, furniture and other iron-copper alloy products surface of the plating process, over the years has been a Taiwan-funded and Hong Kong enterprises, such as strength of the partners.

拥有对铁材、铜材、合金等金属表面进行磨光、镀铜、镀镍、镀铬、镀锡、镀青铜、镀青铜沙、镀红古铜、镀镍古铜、镀雾镍、镀沙镍等加工业务的能力，特别适合五金、灯饰、工艺品、家具等铁铜合金产品表面的电镀工艺，多年来一直是台资和港资企业等实力客户的合作伙伴。

Results showes that the suitable quantity tin can not appeared crystal boundary, and RE phase segregation reduced the tendency of intergranuiar corrosion, current efficiency of anode increased recessive quantity tin appearat crystal boundary with Sn phase, and can not improve the performance of aluminum anode. aluminum alloy, saciiiicial anode, electrochemistry performance, microstructure, tin

本文分析锡含量不同的铝基牺牲阳极的金相结构和电化学性能，阐述合金元素锡对晶粒尺寸、第二相数量、主要第二相组成、电化学性能的影响及铝阳极组织与性能的关系，以及电流效率损失的原因。1实验1.1铝合金熔炼 1号、2号和3号铝合金分别为m一5Zn一0.05In—lMg一0.3RE、舢一5Zn—O.05In一0.1sn一1Mg一0.3RE和m一5Z

Contact production of silver, silver, silver cadmium oxide, silver nickel, silver tin oxide, silver and indium tin oxide more than 10 kinds of alloys and other composite materials or contact the contact.

生产的银触点，有纯银、银氧化镉、银镍、银氧化锡、银氧化锡化铟等10多种合金材料的复合触头或整体触头。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。