A new process, urea-calcium cyanamide method, for producing thiourea from urea and hydrogen sulfide is proposed.

Even at these vents, bacteria survive using the poisonous chemical hydrogen sulfide to create food.

即便是在这种火山口, 细菌通过食用含有毒化学物质氢化硫的食物来存活.

Nano particles zinc sulfide were synthesized by using zinc sulfate and hydrogen sulfide as source materials.

文中采用硫酸锌和硫化氢气体为原料,制备纳米硫化锌.

The evolution, mechanism and characteristics of wet oxidation for removing hydrogen sulfide from bio-gas are reviewed.

综述了湿式氧化法脱除生物气中硫化氢的发展及其各种方法的原理和特点.

The hydrogen sulfide is one kind of noxious gas to the human body and the environment.

硫化氢是一种对人体和环境有着很大危害的有毒有害气体.

Hydrogen sulfide has been recognized to be toxic to anaerobic microorganism, especially methanogen.

硫氢化物已经被认为是对厌氧微生物有毒的, 特别是对甲烷菌.

The working principle of gas liquid separator for hydrogenated unit was recommended.

介绍了加氢装置气液分离器的工作原理.

NMA was hydrogenated to 3-amino-4-methoxyacetanilide ( AMA ) with S-Ni as catalystin liquid phase.

以改性的骨架镍为催化剂催化3-硝基-4-甲氧基乙酰苯胺(NMA)液相选择性加氢制备了 3- 氨基 -4- 甲氧基乙酰苯胺 ( AMA ).

The chilled box is the important internal component of hydrogenated reactor.

急冷箱是加氢反应器的重要内件。

Almost 80 % ~90 % of the dietary trans-fatty are generated from partially hydrogenated vegetable oils.

膳食中的反式脂肪酸80%～90%来源于氢化(或部分氢化)植物油.

The maltitol syrup used crystallization also contains low levels of sorbitol, maltotritol and higher hydrogenated oligosaccharides.

用淀粉制取的麦芽糖醇溶液常常含有少量的山梨醇 、 麦芽三糖醇以及其它的低聚糖氢化物.

How much sugar, salt, hydrogenated fat, E preservatives, colouring does it contain?

多少糖 、 盐 、 氢化脂肪 、 防腐剂, 是否包含色素?

Trans fatty acids ( trans fats ) are made when vegetable oil is hydrogenated to harden it.

植物油经过氢化变硬之后,就形成了 反式 脂肪酸.

The hydrogenated MG latex had the good properties of resisting heat aging.

氢化天甲橡胶具有优良的耐热老化性能.

Oil is hydrogenated to produce a solid fat.

油被氢化产生固体脂肪.

Hydrogenated vegetable wax technology improvements will bring open more markets for these waxes.

加氢植物蜡技术的提高将会带来更多的市场.

Hydrogenated styrene-butadiene rubber ( HSBR ) was prepared by hydrogenating styrene-butadiene rubber ( SBR ) latex with hydrazine hydrate-hydrogen peroxide-copper sulfate catalytic system.

用水合肼/双氧水/硫酸铜催化体系对丁苯橡胶 ( SBR ) 胶乳加氢,可制备氢化丁苯橡胶 ( HSBR ).

The hydrogenation can be controlled to produce any degree of hardness desired in the product.

为了生产所需要的任何硬度的产品,可对氢作用加以控制.

Food producers use hydrogenation to keep fat from becoming rancid.

食品加工商采用氢化作用防止脂肪变腐臭.

The said catalyst was a good hydrogenation catalyst for adiponitrile.

Ni-Al-X 催化剂是己二腈加氢的优良催化剂.

A new presulfidation process of hydrotreating catalyst in the hydrogenation is introduced.

介绍了一种加氢催化剂器内预硫化新工艺.