查询词典 sulphur acid

Sulphur-containing amino acid of transgenic crowtoe plants analysis showed that the content of sulphur-amino acid of transgenic zeolin crowtoe plants was significantly higher than that of the content of the transgenicγ-zein crowtoe plants and non-transgenic crowtoe plants (P.01), but there was no significant difference between the transgenicγ-zein plants and non-transgenic plants.

含硫氨基酸数据分析表明，转zeolin基因百脉根植株含硫氨基酸含量极显著高于转γ-zein基因百脉根植株和非转基因百脉根植株的含量(P.01)，但转γ-zein基因植株与非转基因植株间差异不显著。

Several technologies for sulphur recovery from solid waste containing sulphur generated during sulphuric acid production and sulphonation and liqiud waste containing sulphates generated in phosphoric acid manufacture are described.

介绍从硫酸和磺化剂装置产生的含硫废渣以及从磷酸装置产生的含硫酸盐废液中回收硫的几种技术硫过滤机的滤饼和熔硫沉降槽的梳渣与65%发烟硫酸或液体SO3一起送入反应器生成SO2，SO2作为产品或送入硫酸厂生产硫酸，惰性物料干燥后填埋处理。

Wedgeplug O-Seal plug valves with their positive, no-leak features are not only recommended as the best general purpose valves for handling hydrocarbons, vegetable oils, solvents, etc., but are ideal for such tough service as butane, propane, butadiene, acetone, ethyl alcohol, ammonia, anhydrous ammonia, benzene, vinyl chloride, dry chlorine, Dowtherm, ethane, ethylene, hydrogen chloride, napthalene, oxygen, hydrogen, phthalic anhydride, dry phosgene, phosphoric acid, potassium carbonate, styrene, molten sulphur, sulphur dichloride and related services within a temperature range from -300oF to + 450oF within pressure limits of the valves.

楔塞O形密封旋塞阀具有积极的、无泄漏特性，不但是最好的通用的阀门，用于处理碳化氢，植物油，溶剂等，还特别适用于严酷的应用环境，如丁烷，丙烷，丁二烯，丙酮，乙醇，氨，无水氨，苯，氯乙烯，干氯，道氏热载体，乙烷，乙烯，氯化氢，萘，氧，氢，邻苯二甲酸酐，干碳酰氯，磷酸，碳酸钾，苯乙烯，融化硫，二氯化硫，以及温度在-184oC至232oC之间，压力在阀门额定压力等级范围内的有关应用。

The invention makes full use of sulphur in the high-sulphur coal and the coal gangue to produce stable SO2 with high concentration and provides qualified feed gas for acid-making technique; calcium sulfate is reduced and decomposed to obtain calcium oxide slag which is taken as raw material for producing cement.

本发明充分利用了高硫煤和煤矸石中的硫，产生稳定高浓度的SO 2 ，为制酸工艺提供合格的原料气，硫酸钙还原分解后的氧化钙渣作为制水泥生产的原料。

The traditional techniques of sulphuric acid production operate in steady state. The sulphur dioxide made from the sulphur or sulphur pyrite is converted into sulphur trioxide in one or more catalyst beds in a stationary converter.

传统的硫酸生产工艺是将硫磺或硫铁矿通过焙烧制得含SO〓的烟气，送入一段或多段定态转化器，将SO〓转化成SO〓，用浓硫酸吸收其中的SO〓制成硫酸。

But sulphur causes acid rain, although proponents point out much less sulphur would be needed than pours from power stations.

但硫元素会导致酸雨——尽管该建议的倡导者指出，该方法所投放的硫量远低于发电厂的硫排量。

To meet the steam demand for full-load operation of existing 4 500 kW power generator sets and sulphur ic acid demand in local market, a 150 kt/a sulphur -burning sulphur ic acid plant was installed.

为保证原有4 500 kW发电机组满负荷运行的蒸汽供给及考虑当地硫酸市场的需求，新建一套150 kt／a硫磺制酸装置。

The total content of amino acid and sulphur -amino acid in grain of cultivars with HMW-GS composition both 2+12 and 5+10 were increased by sulphur application under the condition of high nitrogen level, and the positive c

总氨基酸含量和含硫氨基酸含量高可能是NE7742表现优质的一个原因。

Native sulphur is the main source of sulphur for the sulphuric acid industry, followed by sour gas (natural gas containing hydrogen sulphide) and pyrite.

天然的硫是硫酸工业的主要来源，其次是酸气和黄铁矿。

A significant proportion of these acids come from sulphur in the fuel which reacts during the combustion process and builds sulphur ic acid, a very corrosive and acidic component.

它们中有很大一部分来自于燃油中所含有的硫，这些硫在燃烧时会生成硫酸，而硫酸是一种具有很强的腐蚀性和酸性的物质。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐