熔点低的

Thermodynamic study of the formation of low melting-point Na_2SO_4-Fe_2 (SO_4)_3 was made by equilibrating Fe_2O_3-Na_2SO_4 mixtures with SO_3 of different pressures in the temperature range of

通过使Fe_2O_3-Na_2SO_4与不同分压的SO_3建立平衡，对低熔点Na_2SO_4-Fe_2(SO_4)_3二元熔融硫酸盐的形成进行热力学研究。

Increase with the slags TFe, the low melting point calcium ferrite increases.

随渣中TFe含量的增加，低熔点的铁酸钙增加。

Thesoldering tin thread, bar and assistants are used widely in electric producing, instrument and other machines, The customers like products very much.

生产各种型号的焊锡丝、焊锡条、助焊剂和各种低熔点合金产品被广泛应用于电子制造，仪器仪表，机电产品，倍受广大用户的青睐。

Low levels of the crust, melting point 3180 ℃, boiling point 5627 ℃, the relative density of 2053, the external F electronic structure 5d56s2, reaction time will be lost 1-7 electronic, but also can capture an electron, so oxidation number of 0,± 1, 2 , 3, 4, 5, 6 and 7, rhenium with the halogen in the fluorine, chlorine, bromine reaction halides dissolved in water, can dissolve in nitric acid and ammonia hydrogen peroxide solution, but do not dissolve in hydrochloric acid.

地壳中含量很低，熔点3180℃，沸点5627℃，相对密度2053，外围F 电子结构5d56s2，反应时会丢失1—7个电子，也可捕获一个电子，所以氧化数为0、±1、＋2、＋3、＋4、＋5、＋6和＋7，铼能与卤素中的氟、氯、溴反应生成溶于水的卤化物，能溶于硝酸和含氨过氧化氢等溶液，但不溶于盐酸。

To avoid loss of drilling tools and even well abandonment due to downhole fire or explosion during air drilling in pay zones, we developed a novel downhole fire or explosion prevention sub, a kind of downhole tool made of low melting-point alloy, designed to shield off oxygen so as to put out fires. This sub is connected to the upper part of dill bit.

为了解决空气钻井在钻遇油气层时，发生井下燃爆，造成埋钻具、井眼报废等复杂情况，基于阻断氧气使火熄灭的思路研制出了一种低熔点合金制造的井下工具－空气钻井燃爆灭火阀。

To avoid loss of drilling tools and even well abandonment due to downhole fire or explosion during air drilling in pay zones, we developed a novel downhole fire or explosion prevention sub, a kind of downhole tool made of low meltingpoint alloy, designed to shield off oxygen so as to put out fires. This sub is connected to the upper part of dill bit.

为了解决空气钻井在钻遇油气层时，发生井下燃爆，造成埋钻具、井眼报废等复杂情况，基于阻断氧气使火熄灭的思路研制出了一种低熔点合金制造的井下工具--空气钻井燃爆灭火阀。

In the interface of matrix and iron scale as well as the upper contents of residual element s in steel.

X-射线能谱分析结果表明：在基体与氧化铁皮间的界面富集有铜等低熔点杂质元素，钢中残余元素含量偏高是产生表面裂纹的主要原因。

In order to investigate the effect of processing on structure and properties of PA6/ CaCl2composites, we fixed CaCl2 content and other processing technology,and modify low-melting PA6 through putting in glassfiber/glass microballoon.

为了进一步研究加工工艺对PA6/CaCl2复合材料的结构与性能的影响，我们固定CaCl2含量及其他加工工艺，通过加入玻璃纤维/玻璃微珠对低熔点尼龙6进行改性，得到优异复合材料。

The paper introduced the process for low-melting of semi-refined wax made with slack wax from by-product in butanone-toluene dewaxing unit.

介绍了应用石蜡发汗工艺以酮苯脱蜡装置副产的蜡膏为原料生产低熔点半精炼石蜡的过程。

In order to investigate the effect of processing on structure and properties of PA6/ CaCl2composites, we fixed CaCl2 content and other processing technology,and modify low-melting PA6 through putting in glassfiber/glass microballoon.

为了进一步研究加工工艺对PA6/CaCl2复合质料的布局与机能的影响，咱们固定CaCl2含量及其它加工工艺，路程经过过程插手玻璃纤维/玻璃微珠对低熔点锦纶6举行改性，获患上优秀复合质料。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。