The prepared alloy appears the alternant structure with the Pb-based solid solution and the Pb-Sn eutectic.
制备的合金呈现出铅固溶体和铅锡共晶交替排列的结构。
The effect of power ultrasound on solidification process of Pb-Sn alloy is investigated, and its mechanism is also analyzed.
研究了功率超声对铅锡合金凝固过程的影响，分析了其影响机制。
A two-layered structure of eutectic-solid sulotion is formed in the microstructure of Pb-Sn alloy obtained from quasi-two-dimensional electrodeposition.
铅锡合金的准二维电沉积物具有伪共晶-固溶体双层结构。
The lead concentration in Pb-Sn alloy plating bath was determined by standard additional atomic ab-sorption spectrometry, and the optimal determination conditions were obtained.
采用标准加入原子吸收分光光度法测定铅锡合金锭液中铅的浓度，试验确定了最佳的测定条件。
Results reveal that the bronze vessels are made of Pb-Sn bronze using casting technique, the iron is hypoeutectic white iron, and that the major mineral of the jade is hopfnerite.
结果显示青铜器样品均为铅锡青铜，铸造成形；铁器样品为亚共晶白口铸铁；
In the electrical and electronic fields, Pb-Sn solder which is used to connect parts in the product manufacturing process can cause environmental pollution, which has drawn increasing attention.
在电子电器领域，产品制造过程零配件之间连接导通工艺中的铅锡焊料所引起的环境污染越来越引起人们的重视。
The Al, Pb, Cu, Cd, Fe, Sn etc trace element in the electrolytic zinc were accurately and quickly measured by using ICP-AES method.
采用ICP—AES法准确、快速地测定电锌中的铝、铅、铜、镉、铁、锡等微量元素，并对方法的准确度和精密度进行了检验。
The Bainiuchang Ag deposit is a large Ag-Sn-pb-Zn deposit discovered and explored in recent years.
白牛厂银矿是近年发现探明的一大型银锡铅锌矿床。
Metallic elements such as Fe, Cu, al, Pb, Na, Zn, Sn and Cd etc. would influence the stability of grape wine.
影响葡萄酒稳定性的金属元素有铁、铜、铝、铅、钠、锌、锡和镉等。
There exist large Au, Cu, Pb-Zn, Ni, rare metals, rare earth, Sn, Mo, V, Ti, W and some other types of ore deposits.
具有大型、 超大型规模的矿产为金、铜、铅锌、镍、稀有金属、稀土金属、锡、钼以及钒、钛、钨等。
This article presents the application of a new coating material(Sn Pb rare earth alloy)in the wire & cable industry.
介绍了一种新型金属涂层材料——锡-铅-稀土合金在电线电缆行业中应用。
Solderability of Sn Pb alloy deposit is determined by electroplating process and its maintenance, post treatment rinsing, storage of MLCI, etc.
MLCI端头电极锡-铅合金电镀工艺及维护、镀后的清洗、MLCI的储存影响镀层的耐焊性和可焊性。
Effects of conditions of electroless plating of Pb Sn alloy on the composition and thickness of the coating were studied.
研究了化学镀铅锡合金过程中各影响因素对镀层的组成和厚度的影响。
The deep cycle life of battery made from Pb-Ca-Sn-Al alloy was increased and reached 435 cycles after improvement.
经过改进，提高了铅钙锡铝合金电池的深循环寿命，循环寿命达到了435次。
Properties and preparing process of tri layer films with Ag base coating, Ni electrodeposit, Sn Pb alloy for terminal electrode of multilayer chip inductor were described.
介绍了叠层片式电感三层端头电极即银基底电极、镍层、锡-铅合金镀层的性能及制备工艺。
Paleozoic Sn polymetallic province in the northern accretionary zones of the craton, where Pb Zn and Sn polymetallic deposits were formed in Paleozoic basins with extensional tectonic background.
大兴安岭中南段古生代锡多金属成矿省，在克拉通北缘早晚古生代增生带的张裂型沉积盆地内分别生成各具特征的铅锌锡多金属矿床。
All of the three solder pastes could form plump and splendid solder point, and the appearance of Sn-Pb solder point was more regular and sleek.
三种焊锡膏均可形成饱满、光亮的焊点，锡铅焊点外观比无铅焊点更规整圆滑。
The Sn, Pb, and Ag anomalies delineated with the technology have been identified by trenching.
利用该技术圈定的异常，经探槽揭露证实为矿化异常。
Therefore, solderability of Sn Pb alloy deposit was tested for qualified MLCI products.
对锡-铅合金镀层的耐焊性和可焊性进行了检验以获得合格的MLCI产品。
The effect of ferro-silico-barium and its rare earth complex alloy on mechanical properties, castability and metallographic structure of cast iron containing Pb, As and Sn have been studied.
研究了含钡硅铁及其稀土复合合金对含铅、砷、锡铸铁机械性能、铸造性能和金相组织的影响。
An approach to the influence of aluminium content of inoculant on graphite spheroidization of cast iron containing as, Sn, Pb and ti was made.
探讨了复合孕育剂中铝量对含砷、锡、铅、钛铸铁石墨球化的影响。
The mechanical behaviors and electrochemical properties of Pb-Ca-Sn-Al-Re alloy were investigated.
研究了稀土铅钙锡铝合金的力学性能和电化学性能。
Electroplating processes of Au, Au-Sn, Sn-Pb, Sn-Ag and chemical nickel-plated bumpings are described in particular. And finally, electroplating equipments for bumping formation are introduced.
着重介绍了电镀金、金锡、锡铅、锡银和化学镀镍凸点的工艺过程，最后简单介绍了制备凸点的电镀设备。
The direct yield and recovery rate of metallic In, Pb, Sn and Sb are respectively over 90% and 95%.
金属铟、铅、锡、锑的直收率达到90%以上，回收率达95%以上。
A new technology of decomposition of Sn-Pb-Cu-Fe multi-elemental alloys was presented. The principal parameters of this process were investigated.
本文提出锡铅铜铁多元合金分解新工艺流程。
A new technology of decomposition of Sn-Pb-Cu-Fe multi-elemental alloys was presented. The principal parameters of this process were investigated.
本文提出锡铅铜铁多元合金分解新工艺流程。
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