锡合金

Suitable metals and alloys include aluminium, bronze, beryllium, chromium, columbium, constantan, copper and copper alloys, gold, nickel and nickel alloys, lead, magnesium, molybdenum, niobium, platinum, silver, stainless steel, mild steel, tin, titanium, tungsten, vanadium, zinc and zirconium.

适用于金属和合金包括铝，铜，铍，铬，铌，镍铜合金，铜及铜合金，金，镍和镍合金，铅，镁，钼，铌，铂，银，不锈钢，低碳钢，锡，钛，钨，钒，锌，锆。

The results show that a MgSnO3·H2O conversion film is formed by treatment in the stannate solution at 90℃, and the immersion test and potentiodynamic polarization show that the corrosion resistance of the AZ91D alloy is improved to some extent.

结果表明：锡酸盐转化处理后合金表面形成了以MgSnO3·H2O为主要成分的转化膜，可对合金起到一定的防护作用；转化膜由细小的球形颗粒密积而成，颗粒之间存在间隙，它可以为化学镀镍的前处理过程提供良好的吸附条件；转化膜上的化学镀镍层组织致密、无缺陷， MgSnO3·H2O转化膜在镀镍层与基体之间起到过渡作用，镀层的磷含量达到9%，与基体结合良好；在3.5% NaCl (pH=7)溶液中的动电位极化测试表明，镀镍以后的合金在阳极极化过程中发生了明显的钝化，耐腐蚀性能进一步提高，对基体起到了较好的防护作用。

The directly electroless nickel plating, the stannate conversion processing and the electroless nickel plating on the surface of the magnesium alloys that have formed the stannate chemical conversion film on their surface were researched.

论文摘要：本文以AZ91D合金为研究对象，对其进行直接化学镀镍、锡酸盐化学转化处理以及在形成锡酸盐化学转化膜的镁合金表面进行化学镀镍。

Seam welding and soldering are the best welding methods for terne coated steel. Note that the terne coat is actually a soldering alloy.

对于镀锡板来说锡焊是最好的焊接方法，因为镀锡层实际上也是锡焊的合金。

Commodities subject to export quota license are: corn, rice, wheat, cotton, wood products, live ox, live pig, live chicken, natural silk and its products, coal, coke, crude oil, finished oil, rare-earth metal, antimony oxide ore, antimony and antimony products, antimony oxide, tungsten ore, Ammonium Paratungstate, Ammonium metatungstate, Tungsten Trioxide and Blue Tungsten Oxide, Tungstic acid and salt, tungsten powder and its products, Zinc ores, Tin ores, tin and tin-base alloy, and white silver.

实行出口配额许可证管理的货物是：玉米、大米、小麦、棉花、锯材、活牛、活猪、活鸡、蚕丝类、煤炭、焦炭、原油、成品油、稀土、锑砂、锑及锑制品、氧化锑、钨砂、仲钨酸铵及偏钨酸铵、三氧化钨及蓝色氧化钨、钨酸及其盐类、钨粉及其制品、锌矿砂、锡矿砂、锡及锡基合金、白银。

The effect of bath composition,operating conditions and additives on Sn content of electrodeposits during the process of Sn-Ni alloy electroplating in alkaline baths had been studied.

在研究碱性锡镍合金的电沉积过程中，讨论了镀液中各成分的含量、电镀工艺条件的改变及添加剂对锡镍合金镀层成分和外观的影响规律。

Since tin is the main Component of brass, the radio of tin to iron of the oil can be used to determine if bearing brass break and the breaking degree.

而巴氏合金的主要成分为锡，因而本文提出用润滑油中锡铁含量之比来确定轴承巴氏合金是否碎裂及碎裂程度。

Chemical raw materials: include a variety of plating materials and metal surface treatment agent: sodium such as tin, stannous chloride, pyrophosphate Asian tin, copper sulfate, nickel acetate, copper acetate, nickel fluoride, cobalt sulphate, acetic acid cobalt, hydrofluoric acid, anion exchange resin, cation exchange resin, scale inhibitors, cleaning agents, detergents,the phosphating agent, plate washer water, with the exception of Prince agents, rust removal agent, the American Iron and Steel room temperature blackening agent, on behalf of behalf of the black-white (open cylinder agents, supplements), and alloys such as gun color..

二。化工原料：包括各种电镀原料及金属表面处理剂：如锡酸钠、氯化亚锡、焦磷酸亚锡、硫酸铜、醋酸镍、醋酸铜、氟化镍、硫酸钴、醋酸钴、氢氟酸、阴离子交换树脂、阳离子交换树脂、阻垢剂、清灰剂、除垢剂、创辉的磷化剂、洗板水、除腊剂、除油除锈剂、美国的钢铁常温发黑剂、代白代黑、枪色黑合金等。

The dual solder pot capability provides some interesting opportunities, such as, 1 the ability to populate the solder pots with different solder alloys, 2 operate the solder pots at different solder temperatures, or 3 use one as a gold scavenge solder pot and the other as a clean solder pot.

锡炉的双重功能提供了一些有趣的机会，例如，1）的能力来填充合金，焊料罐2不同焊料）经营，或三盆不同焊锡焊接温度）的使用和清除之一金锡炉作为一种清洁的其他锡炉。

Shenzhen City Jin-fat Copper Co., Ltd. is a Shenzhen, Dongguan's largest suppliers of raw materials, one of copper and aluminum, operates mainly in China-made high-quality aluminum alloy, copper alloy (tungsten copper, beryllium copper, chromium copper, phosphor bronze, aluminum bronze , tin bronze in dozens of varieties), the United States Aluminum Company original imported alloy aluminum sheet, aluminum rod, and profiles (7075,6061,5052,2024 various grades and status), Alcan anodic alumina imports a wide range of industrial raw materials, etc., are widely used in aerospace, shipbuilding, mechanical equipment, mold manufacturing, electrical and electronic, hardware products, handicrafts and other industries.

深圳市锦发铜铝有限公司是深圳、东莞地区规模最大的铜铝原材料供应商之一，主要经营国产优质合金铝材、合金铜材（钨铜、铍铜、铬铜、磷青铜、铝青铜、锡青铜等数十个品种），美国铝业公司原厂进口合金铝板、铝棒及型材（7075、6061、5052、2024等多种牌号及状态）、加拿大铝业公司进口阳极氧化铝板等多种工业原材料，广泛应用于航空航天、船舶制造、机械设备、模具制造、电子电气、五金制品、工艺品等各行业。

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。