锡

Sn powder of micronmeter in particle size, Li grease anti VG32 oil were mixed so that a Sn-based semiliquid grease were prepared and used as a new kind of lubricant for steel-copper tribo-pair. Friction tests were earned out on a modified model MS-800 4-ball Lester.

采用微米级锡粉与Li基脂、VG32号油混合制备出锡基半流体脂，在改进后的MS-800型四球式摩擦磨损试验机上，对锡基半流体脂润滑下的钢－铜摩擦副进行摩擦试验。

Over fast in temperature ascending can result in the worsen of the shiftiness and composition of paste and produce tin blast and balls.

升温速率为1.0～3.0℃/秒，在预热区的升温速度过快，容易使锡膏的流移性及成份恶化，易产生爆锡和锡珠现象。

According to geological characteristics of mineral area,geological conditions of mineralization,geochemical characteristics,material sources of mineralization,mineralization patterns,as well as physical and chemical conditions of mineralization,it summarize the mineralization pattern and genesis of ore deposit of Xianghualing mining areas,considering that mineralization materials in this deposit mainly come from magma,genesis patterns of deposit include high-temperature gas-liquid Nb、Ta deposit related to albitization laying in or on the edge of granite rock bodies,median-high temperature Skarn Sn,Be deposit related to skarnized laying at the inner contact-belt of granite and carbonate rock bodies;median-high temperature cassiterite -sulphide mineral deposit related to skamized laying at outer contact-belt of granite and carbonate rock bodies and median-low temperature hydrothermal liquid Pb-Zn-Ag deposit related to silicification,fluorite, propylitization laying in wall rocks;Series of generalized magma- hydrothermal liquid type Sn-polymatellitic related to magmatic activity in Yanshan period as a whole.

通过对矿区地质特征、成矿地质条件、地球化学特征、成矿物质来源、成矿作用、矿化型式以及成矿物理化学条件的分析，总结了香花岭矿区的矿床成因以及成矿模式，认为香花岭锡多金属矿成矿物质主要来源于岩浆，矿床成因类型包括花岗岩体内及其边部产出的与钠长岩化有关的高温气液型Nb、Ta矿床、花岗岩体与碳酸盐岩内接触带产出的与矽卡岩化有关的中高温矽卡岩型Sn、Be矿床、花岗岩体与碳酸盐岩外接触带产出的与矽卡岩化有关的中高温锡石硫化物矿床以及围岩中产出的与硅化、萤石化、青磐岩化有关的中低温热液型铅锌银矿床，整体构成与燕山期岩浆活动有关的广义岩浆热液型锡多金属成矿系列

At present, the development of wear-resistant alloys, tin bronze service life is 1-3 times the price of tin bronze is only about 60%, can effectively substitute for tin bronze ZCuSn6Zn6Pb3, ZCuSn10P1 and so on, can produce worm wheel, sleeve, bushing, nut, slider and so on, the alloy has high strength, wear resistance, and the proportion of small, die-casting with excellent performance characteristics.

目前开发的耐磨合金，使用寿命是锡青铜的1-3倍，而价格仅是锡青铜的60%左右，能有效替代锡青铜ZCuSn6Zn6Pb3、ZCuSn10P1等，可制造蜗轮、轴套、轴瓦、螺母、滑块等，该合金具有强度高，耐磨性好、比重小、压铸性能优良的特性。

The technological flow for directly preparing sodium stannate from the low grade tin ore (containing tin 20%￣30%) has been studied.

研究了用低品位锡矿（含锡20％～30％）直接制取锡酸钠的工艺流程，即把锡矿先进行还原焙烧，然后用NaOH溶液浸出，最后把溶液浓缩结晶制成锡酸钠产品。

Suddenly the door of the room flew open and the draught of air caught up the little dancer, she fluttered like a sylph right into the stove by the side of the tin soldier, and was instantly in flames and was gone.

突然间房门打开了，气流卷起小舞蹈家，她就像风精一样，飞向火炉，飞到锡兵的身边去，化为火焰，立刻就不见了。这时锡兵已经化为一个锡块。

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。

The primary ore of tin, most sources of Cassiterite today are not primary deposits but alluvial deposits containing weathered grains.

锡原生矿以及今天我们所见到的锡石的大多数出产地其实都不是她的原生矿藏，真正的锡石原生矿是那些含有风蚀晶粒的冲积层矿床。

The high arsenic content cassiterite copper sulphide ore in Kafang is a kind of copper-tin polymetallic intergrowth sulphide ore.

卡房高砷锡石硫化铜矿属于铜锡共生多金属硫化矿，根据选矿的一般原理，这种硫化矿物的主要选别方法是浮选，其中的锡石由于比重较大常采用重选进行回收利用。

The interaction of tributyltin, the main components of antifouling paint of ships, and its degradation products of monobutyltin and dibutyltin with human serum albumin was investigated by ultraviolet, fluorescence and circle dichromism spectra. The influences of the concentration, acidity, organic solvent such as ethanol and ionic strength on the interaction of butyltin compounds and HSA molecule were examined to find that the interaction of butyltin compounds and HSA was dual.

通过紫外、荧光和CD光谱，研究了船体防污漆中主要防污成分——三丁基锡化合物及其降解产物——一丁基锡和二丁基锡与人血清白蛋白相互作用的方式与程度，考察了浓度、酸度、有机溶剂和离子强度等因素对相互作用的影响。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了