查询词典 sulfur black

The results showed that the addition of oxides and carbonates of some alkaline-earth metals in sulfur fixation reagent will enhance the decomposition temperature of CaSO4 by more than 50℃, which confirmed the effect of these additives on prohibition of CaSO4 decomposition.

结果表明，氧化物系列和碱土金属碳酸盐系列复合固硫添加剂均比CaO单独使用时使CaSO4推迟50℃多分解，对固硫产物CaSO4晶体在高温下的分解有明显的抑制作用。

The test for desulfurization production system showed that ammonia content in desulfurized liquor is controlled in the range of 6.0～ 9.0g/L, suspended sulfur is controlled at less...

通过对脱硫生产装置的测试表明，控制脱硫液中的氨含量在6.0～9.0g/L、悬浮硫小于4g/L、催化剂浓度为15～20ppm、盐类总量不超过300g/L、溶液pH值8.0～9.0、液气比为35～38L/m3等指标后，脱硫塔后煤气含H2S小于300mg/m3，脱硫效率大于95%。

For the model system, the reaction time decreased from 24 h to 7 h at 50 ℃ by adding the surfactant of hexadecyltrimethyl ammonium bromide into the reaction systems, and the sulfur content was detected to be below 10×10^-6 after only oxidation process.

对于实际汽、柴油体系，通过添加表面活性剂，氧化过程中油水相比可从1：1降低为25：1，大大减少了氧化剂用量，且氧化后萃取的单级脱硫率大于50％，优于直接萃取过程的脱硫率。

The hydroliquefacton characteristics of Majiata coal and its individual macerals were systematically investigated in a microautoclave at the following experimental conditions: reaction temperature of 450 ℃, initial H2 pressure of 10 MPa, residence time of 60min., decrystallized anthracene oil was used as a solvent, Fe2O3 plus sulfur as the catalyst.

用Fe2O3作催化剂，硫黄为助催化剂，脱晶蒽油为循环溶剂，在反应温度为450℃，初始氢压为10MPa，反应时间为60min。的实验条件下，在微型高压釜内对马家塔原料煤及其显微组分的加氢液化特征进行了系统研究。

Main products are: industrial naphthalene, coke, coal tar, from crystal anthracene oil, electrode paste, confined paste, Crude Benzol, anthracene oil, sulfur and other industries.

主营产品有：工业萘，焦炭，煤焦油，脱晶蒽油，电极糊，密闭糊，粗苯，蒽油，工业硫磺等。

The method of high frequency IR-absorption spectrometry used to determine the sulfur in antimony sulfide concentrates and antimony oxide concentrates is introduced in this article.

采用高频红外吸收法测定硫化锑精矿和氧化锑精矿中的硫含量。

In flame compositions, such as the stars that shoot out of rockets, potassium nitrate, salt s of antimony, and sulfur may be used;

火焰型烟火，如火箭喷发出的火焰，可采用硝酸钾、锑盐和硫磺。

Running a wide range including: sulfur, natural rock asphalt, linen products.

经营范围广泛，包括：硫磺、天然岩沥青、普通机械设备、家具、家居用品、五金工具、家用电器、电子产品、化工产品、建材、钢材、仪器仪表、汽车配件、汽车饰品、装饰材料、会议服务等。

Running a wide range including: sulfur, natural rock asphalt, linen products.

经营范围广泛，包括：进出口贸易、普通机械设备、家具、家居用品、五金工具、家用电器、电子产品、化工产品、建材、钢材、仪器仪表、汽车配件、汽车饰品、装饰材料、会议服务等。

With the electronic probe detection,it is discovered that the mineral elements of the Buton Rock Asphalt contains carbon,oxygen,sulfur,silicon,magnesium,aluminium,autunite,kalium and iron.

布敦岩沥青(Buton Rock Asphalt，BRA)是一种岩沥青，产自印度尼西亚布敦岛海底的沥青矿，该沥青矿是一种经过了上千万年沉积的天然矿物。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。