A novel S-containing polymer for the active composite material of cathode of the lithium ion battery was synthesized by heating polyacrylonitrile and elemental sulfur in certain conditions.
采用聚丙烯腈与单质硫在一定条件下合成了一种新型含硫复合材料。
In order to meet the Tarim Oil Field 's demand for high toughness drill pipes, Baosteel has trial-produced ultra-low sulfur and phosphorus steel for drill pipes.
为了满足塔里木油田对高韧性钻杆的需求，宝钢试制超低硫低磷钻杆用钢。
By comparing the stability of the sulfur nitrogen ring system it is proved that not all the plannar S-N heterocycles belong to a class of"electro-rich" aromaticitys.
通过各硫氮环分子稳定性的比较，确定只有一部分硫氮环分子具有“多电子芳香性”。
Officials modeled the system on the sulfur dioxide trading market established in the U. S. in 1995, which has successfully cut levels of acid rain.
1995年，美国在二氧化硫交易市场所建立的一个系统，成功减缓了酸雨的现象，欧洲官员则效仿了这个系统。
Effects of na +, heavy metal nickel and vanadium, sulfur and viscosity of residue on activity of catalyst for S-RHT were investigated on a residue hydrotreating pilot unit.
在中型渣油加氢试验装置上考察了钠离子、镍、钒、硫和渣油粘度对s -RHT催化剂活性的影响。
Sodium gualenate was prepared from guaiazulene by using dioxane sulfur trioxide(D. S. agent ) as sulfonation agent in yield of 71% with 99.5% purity.
以愈创为原料，用二烷· 三氧化硫加合物（D。S。试剂）作磺化剂合成呱仑酸钠，总收率71% ，产品纯度在99。5 %以上。
Compared input and output of s in cultivated soil of Guizhou province, there was problems of potential sulfur deficiency in upland soil.
贵州农业土壤硫素输入和输出比较，旱地土壤潜在缺硫。
The other winning photomicrographs we chose included subjects such as a wasp 's nest, the olfactory bulbs of zebra fish, seaweed, soy sauce, cancer cells, sulfur and a rat retina.
我们挑选的其它获奖的显微照片中，拍摄对象包括黄蜂的巢、斑马鱼的嗅球、海藻、酱油、癌细胞、硫和大鼠的视网膜。
Experiments in the tube furnace indicated that S-CWS had greater sulfur retention than CWS, and the sulfur precipitation rate increased with temperature rising.
管式炉中燃烧实验表明，试样中硫析出率随温度的升高而增大，而污泥水煤浆比纯水煤浆具有更好的固硫效果。
We report an S-methylation reaction on high sulfur coal at ambient temperature that appears to selectively cleave one type of carbon-sulfur bond in the coal structure.
通过室温下高硫煤的S甲基化反应，可使煤结构中的一种碳硫键选择性断裂。
Sulfur dioxide emissions in the U. S. have decreased significantly in the past decade, thanks to environmental regulations on coal-fired power plants and a rise in natural gas as an energy source.
由于针对燃煤发电厂的法规的出台，及天然气被愈发作为一种能源，美国二氧化硫排放量在过去十年中大幅下降。
The new sulfur passivation technique developed in late 80's injects new life into the study of the passivation although the chemical stability of the passivation layer is not so satisfactory.
八十年代后期出现的硫钝化技术给钝化研究注入了活力，但它的化学稳定性仍不够理想。
Sulfur, recently rated one of the four most important plant nutrients, is most commonly applied in the form of elemental S and sulfates.
近年来，硫被认为是植物四大营养元素之一，主要以硫元素和硫酸盐为硫源。
Sulfur, recently rated one of the four most important plant nutrients, is most commonly applied in the form of elemental S and sulfates.
近年来，硫被认为是植物四大营养元素之一，主要以硫元素和硫酸盐为硫源。
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