查询词典 sulfur

The utilization of nitrogen and energy sources by Thiobacillus ferrooxidans was investigated,and the removal of sulfur from coal pyrite exposed to the air for different time was studied.

对不同氮源、能源的利用，研究了空气中氧化不同时间的煤系黄铁矿的脱硫情况。

A strain TFD-9 that was able to degrade sulfur in coal was isolated from soil in a coal mine and identified as Thiobacillus ferrooxidans.

从湖南某煤矿附近的土壤中，分离出能有效脱除燃煤中硫的菌株TFD-9，鉴定为氧化亚铁硫杆菌。

Since the element sulfur has lower electro-negativity than oxygen and the C=S double bond is easier to be polarized than C=O double bond, thiocarbonyl compounds and carbonyl compounds have different reaction properties, and their photochemical reaction mechanisms often possess dramatic difference.

但是，由于硫元素较低的电负性和C=S双键较高的可极化性，硫代羰基化合物和羰基化合物有着本质不同的反应特性，光化学反应机理常常存在着戏剧性的差别。

Diethylthiophosphoryl chloride was synthesized by reacting phosphorus thiochloride with anhydrous alcohol in the presence of NaOH, and then a novel phosphorus-nitrogen- and sulfur-containing flame retardant, 1, 4-di(O,O-diethyl thiophosphoryl imine) benzene, was synthesized via the reaction of diethylthiophosphoryl chloride with p-phenylenediamine.

以三氯硫磷与无水乙醇在NaOH存在下合成了二乙基硫代磷酰氯，然后再与对苯二胺反应合成了新型的含磷、氮、硫的膨胀型阻燃剂：1，4-二（O，O-二乙基硫代磷酰亚胺基）苯。

A salt of thiocyanic acid; formed when alkaline cyanides are fused with sulfur.

硫氰酸的一种盐，当碱性氰化物被硫磺溶解时形成。

A salt of thiocyanic acid; formed when alkaline cyanides are fused with sulfur.

一种不稳定的酸，能从硫氰酸盐中提取。

The said process can regenerate catalyst continuously or intermittently to maintain the catalytic activity of the alkylating catalyst for long period and has lowest loss of produce in amount and octane number while eliminating the thiofuran sulfur impurity in material.

采用该方法可对催化剂连续或间歇再生，克服烷基化催化剂一般寿命短的缺陷，并且可以长时间维持烷基化催化剂的活性；在脱除原料中噻吩类杂质硫的同时使得产品量损失最小及产品辛烷值损失最少。

The chemical deposition method was applied to prepare bismuth sulfide through reaction of bismuth salt complexed by triethanolamine or EDTA with an aqueous solution containing a sulfur sourse such as thioacetamide, thiourea, sodium thiosulphate, geseous H2S.

化学沉积方法用于准备硫化铋铋盐络合的反应，通过乙醇胺水溶液或edta一个含有硫源为硫代乙酰胺等，硫、硫代硫酸钠、硫化氢geseous。

The chemical deposition method was applied to prepare bismuth sulfide through reaction of bismuth salt complexed by triethanolamine or EDTA with an aqueous solution containing a sulfur sourse such as thioacetamide, thiourea, sodium thiosulphate, geseous H2S.

化学淀积方法被提出申请准备硫化铋经过被和一个水溶液的三乙醇胺或乙二胺四醋酸合成物的铋盐反作用含有硫 sourse，像是硫代乙醯胺，硫，钠 thiosulphate ， geseous H2S 。

In the original titrimetric solution, known as Karl Fischer Reagent, the sulfur dioxide and iodine are dissolved in pyridine and methanol.

在最初的滴定溶液里，已知的是卡尔费休试剂，二氧化硫和碘溶解在吡啶和甲醇中。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。