若要实现汽油的低硫化，则必须降低FCC汽油中的硫含量。
To achieve the low sulfur gasoline, the sulfur content in FCC gasoline must be reduced.
柴油低硫化及其含硫标准日趋严格，是世界各国柴油产品质量和标准的发展趋势。
The low sulfur content of diesal oil is the developed trend of the quality and standard of diesal oil in the world.
柴油低硫化及其含硫标准的日趋严格，是世界各国柴油产品质量与标准的发展趋势。
Low sulfur content and gradual strict sulfur specification of diesel have become the trend of diesel fuel quality and standard all over the world.
这些矿床可分为高硫化型和低硫化型，且都具有典型的围岩蚀变、蚀变分带等矿床特征。
They can be divided into low sulphidation and high sulphidation types, with typical wall rock alteration and alteration zonation of epithermal de-posit.
塑性流动的特殊情况是冷变形，发生在硫化橡胶长时间连续承受低应力时以及金属蠕变时。
Special instances of plastic flow are cold flow, which occurs in vulcanized rubber after low stress has been continuously applied for a long time, and creep of metals.
介绍了含砷低品位硫化铜矿柱浸实验研究方法、装置和结果。
The method, experimental equipment and results of column leaching were presented for low-grade copper sulfide ore.
原料低硫高冰镍为高冰镍经磨浮-磁选分离获得的富含贵金属的磁性产品，主要含有镍合金和少量硫化物。
This magnetic matte was obtained from high grade Ni-Cu matte by floatation-magnetic separation, which enriched in precious metals, and mainly contained Ni alloys and a small quantity of sulfides.
本品污染性低，不影响硫化。
This product has lower pollution and has not affect on sulfurization.
分析认为，凝固裂纹是沿偏聚在柱状晶晶界的低熔点膜状硫化物形成并扩展的。
Analysis shows that the solidification cracking was always formed and developed along film-like sulphides at columnar grain boundaries.
利用细菌的作用对低品位硫化铜矿石进行浸出，能有效地促进硫化铜矿物中铜的浸出，提高铜浸出率。
It is effectively on accelerating leaching speed of copper sulfide and increasing leaching rate of copper that bacteria ACTS on low grade copper sulfide ore.
本试验研究主要是寻求如何从硫化物的尾矿中回收伴生的低品位白钨矿。
The research is mainly exploring that how to recover the accompanying low grade scheelite from the tailings of sulphide.
研究磁黄铁矿在微生物浸出过程中的氧化溶解机理，对微生物浸出低品位硫化矿，有效回收有价金属有重要意义。
Therefore, the study of the oxidation dissolution of pyrrhotite in bioleaching process means a lot in comprehensive utilization of low grade sulfide minerals and the extraction of valuable metals.
利用严格无机化能自养型嗜热嗜酸菌（KY-2菌株）对低品位原生硫化铜矿进行柱浸试验研究。
The column leaching experiments of the primary ore of copper sulfide with thermoacidophile, KY-2 strain, are conducted.
结果表明，嗜热嗜酸菌对低品位原生硫化铜矿的较强适应性 需经较长时间的连续驯化才能获得。
The results show that the adaptability of thermoacidophile to the primary ore of copper sulfide can be achieved by culture continuously in long term.
某低品位氧化型金矿石含有少量硫化物。
The oxidized ore with a lower grade of gold contains a little sulfide.
细菌浸出法处理低品位硫化铜镍矿是行之有效的方法。
Therefore the biological method to treat low-grade copper and nickel sulfide ore is effective and practical.
实验观察，在低硫含量的Q 345实验钢中有纳米硫化物夹杂析出，降低硫含量对钢的强化具有有益作用。
There are inclusions existing within nm in the experimental Q345 steel, the reduce in sulfur content is better for strengthening of the steel.
结果表明：低碳球墨铸铁中的石墨是以锰、钙等的硫化物与氧化物作为基底形核并长大形成的。
SEM and TEM examination showed that the graphite in low carbon ductile iron formed nucleus and grew up based on the sulfide and oxide of manganese and calcium.
讨论了低硫高促硫化体系EPDM制品的亮度和模具污染的问题，研究了微型汽车后轮制动缸皮碗的配方。
The problems of glittering of EPDM products with low sulfur and high accelerator vulcanization system and its mold pollution were discussed.
制备了不同低模量高延伸率室温硫化有机硅密封材料，并考察了扩链剂类型和用量、固化温度和时间对材料性能和交联度的影响。
The effects of type, concentration of chain extender, curing temperature and time of silicone sealants with low modulus and high elongation on their mechanical properties were studied.
选用D2EHPA—TOA体系作为低品位硫化锌矿生物浸出液中锌的富集和铁的去除的溶剂萃取体系。
The D2EHPA-TOA organic phase was used as the solvent-extraction system for the concentration of zinc and the separation of ferric ion from the biochemical lixivium of low-grade zinc sulfide.
介绍了变压吸附法制低露点氮气的基本原理及在热硫化硅橡胶生胶生产中的应用。
The principle of production of low-dew-point nitrogen by pressure swing adsorption(PSA) was described, and the application in the manufacture of silicone rubber was introduced.
发现当粒径分布适当时，可得到导热系数高、粘度低的室温硫化导热硅橡胶及导热硅脂。
It was found that RTV silicone rubber or silicone grease had the maximum thermal conductivity and the lowest viscosity, when the filler particle sizes distribution was proper.
硫化锌精矿焙烧矿的中性浸出渣常含有锗等有价元素，常规低酸高酸两段浸出流程锗的直收率低。
Neutral leaching residue of roasted zinc concentrate often contains germanium which is poorly recovered in conventional two-stage leaching.
相反，过渡金属硫化物作为催化剂反应活性低、不容易中毒显示了很高的选择性。
In contrast, transition-metal sulfides are less reactive and susceptible to poisoning and can show higher selectivity.
低硫高促硫化体系S/TT/CZ可以使NBR胶料具有较低的压缩永久变形，而且赋予NBR/ECO共混胶料良好的综合性能。
The S /TT /CZ system could also decrease the compression set of NBR and endowed the NBR/ECO blend with good comprehensive properties.
磁铁矿中钛含量低，矿石中硫含量低，罕见铅锌硫化物矿物。
The contents of ti in magnetite and s in ore are low, with a very small amount of Pb-Zn sulfide minerals.
共混硫化胶的强伸性能较PB有很大提高，且仍能保持PB优良的抗湿滑性及低生热值。
The physicomechanical properties of vulcanizates of the blends are greatly enhanced, with the excellent wet skid resist…
共混硫化胶的强伸性能较PB有很大提高，且仍能保持PB优良的抗湿滑性及低生热值。
The physicomechanical properties of vulcanizates of the blends are greatly enhanced, with the excellent wet skid resist…
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