The passivess of Boiler by hydrogen peroxide after acid cleaning was studied.

A small amount of manganese oxide is added to a test tube containing some hydrogen peroxide.

少量的锰的氧化物被加入含有一些过氧化氢的试管中混合.

Hydrogen peroxide ( H 2 O 2 ), Salicylic acid ( SA ), jasmonic acid ( JA ), ethylene ( ET ) and brassinolide ( BL ) play important roles in this network.

过氧化氢, 水杨酸, 茉莉酸, 乙烯,油菜 素 内酯等信号分子在这个网络中起着重要作用.

The more sulfur a person consumes , the more hydrogen sulfide is produced.

硫化物摄取得越多,硫化氢的产量也会越多.

A passive detection tube for hydrogen sulfide is based on the gas diffusion and chemical adsorption.

研究了快速监测硫化氢气体的新方法——硫化氢被动式检气管方法.

As he went out, a smell of hydrogen sulfide, like rotten eggs, wafted in.

他一出去, 一股硫酸味道象臭鸡蛋似的吹了进来.

The hydrogen sulfide also seriously corrosion drilling equipment, creates the huge economic loss.

硫化氢还严重腐蚀钻井设备, 造成巨大的经济损失.

The brown clouds in the middle are a mixture of ammonia and hydrogen sulfide.

中间的褐色云是氢和硫化物的混合体.

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

利用尿素和硫化氢等原料制备硫脲, 提出了尿素 - 氰氨化钙法新工艺.

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.