查询词典 sulphur

They sprayed standard diesel fuel, mixed with a caesium compound to enhance its X-ray contrast, into a chamber containing the inert gas sulphur hexafluoride to stop it combusting.

为了提高燃油的X光对比差异，他们把一种铯化合物与标准的柴油燃料混合在一起，喷射进一个容纳有惰性气体sulphur hexafluoride的燃烧室，以阻止燃油燃烧。

Among the products,sulphur brown B3R ,sulphur blue BR508,sulphur blue BRN,fast scarlet RC base,fast garnet GBC base and dual sulphur black BRN,BN have won the High Quality products title both from Shandong province and the ministry.

尤其省、部优产品硫化红棕 B3R ；硫化兰 BR508；硫化兰 BRN ；双倍硫化黑 BRN 、 BN ；大红色基 RC ；枣红色基 GBC 等品种倍受国内外用户欢迎。

In order to investigate the effects of different sulphur fertilizers on rice and the recycling and balance of sulphur in rice-rice agro-ecosystem, seven treatments with different sulphur fertilizers were applied in a rice-rice cropping field with randomized block design, which included no sulphur, ammonium sulphate, single superphosphate, elemental S, gypsum, 50％ S from gypsum and 50％ from elemental sulphur (50％ GYP + 50％ ES), 70％ S from gypsum and 30％ from elemental sulphur (70％ GYP + 30％ ES).

为了了解不同硫肥对水稻的效应及在水稻栽培农业生态系统中硫的循环与平衡情况，采用随机区组设计，将不同来源的硫肥设为7个处理包括：对照，硫酸铵，过磷酸钙，自然硫素，石膏，50％石膏+50％自然硫素，70％石膏+30％自然硫素，对水稻进行处理。

He explains that sulphur, for example ,shows up in three different spots-one for sulphide,which is found in minerals,one for sulphite,and one for sulphate, which is found in sea salt,for instance.

解析：从空白处位置看，第五段需填入主题句。主题句常常是概括性的。从第五段提供的信息来看，sulphur这个元素在三个地方出现，因此D是正确的。D说的是：有些元素Railsback列了不止一次。

A device (1) for separating sulphur dioxide from a gas (4) by means of an absorption liquid has an inlet (2) for gas (4) containing sulphur dioxide, an outlet (18) for gas (16), from which sulphur dioxide has been separated, and as essentially horizontal apertured plate (8), which is arranged to allow passage from below of sulphur dioxide containing gas (4) and to carry, on its upper side (12), a flowing layer (14) of the absorption liquid.

一种用于通过吸收液自气体(4)分离二氧化硫的装置(1)具有用于含二氧化硫的气体(4)的入口(2)和用于已经从中分离二氧化硫的气体(16)的出口(18)，及安装使得含二氧化硫的气体(4)从下面通过并在其上面(12)承载吸收液的流动层(14)的基本上水平的开孔板(8)。

Properties : White crystallization or powder , proportion 1.735 , melting point is 287 ℃, apt to dissolve in water , ethanol and propanone , aqueous solution is neutral , turn into the blood red sulphur cyaniding iron with molysite , reactionless with inferior molysite, salt function turns into dark blue sulphur cobalt cyanide, turn into white sulphur silver precipitating or black sulphur copper cyanide cyanide to precipitate with the silver salt or copper salt function with cobalt.

白色结晶或粉末，比重 1.735 ，熔点 28 7 ℃，易溶于水、乙醇和丙酮，水溶液呈中性，与铁盐生成血红色的硫氰化铁，与亚铁盐则无反应，与钴盐作用生成深蓝色的硫氰化钴，与银盐或铜盐作用生成白色的硫氰化银沉淀或黑色的硫氰化铜沉淀。

Under condition of different temperature and sulphur consumption, the brown coal and gypsum can promote oxidation of sulphur,the oxidational rate of sulphul is the highest under the condition of applying brown coal and gypsum;The sulphur is oxidized for SO42~ the oxidational rate of sulphur during 0-15 days' incubtation was the highest on the whole,reach the maximum basically within 30 days,up to the extension of time,SO42"""" the content is reduced to some extent;Final SO42 -content, Ig sulphur / kg treatment of soil greater than 0.5g sulphu/kg treatment of soil,become multiple increase,the sulphur is higher than the room temperature in the efficiency of oxidizing of 30 degrees Centigrade (10-20 degrees Centigrade).

在不同温度和硫磺用量的条件下，褐煤与石膏对硫磺的氧化有促进作用，其中褐煤与石膏配合施用对硫磺氧化的促进作用最大；在硫磺氧化为SO_4~(2-)的过程中，0-15天内氧化速率最大，30天内基本达到最大值，随时间的延长，SO_4~(2-)含量有所降低；硫磺在30℃的氧化效率高于室温(10-20℃)，在1克硫磺的处理中，30℃时最大SO_4~(2-)的含量是室温(10-20℃)的1.24倍，在0.5克的处理中有同样的规律，30℃时SO_4~(2-)的含量是室温的1.6倍。

We want to buy Chemical Supplies, Sulphur, Powder Sulphur, Flake Sulphur, Granule Sulphur, Lump Sulphur, Pastilles Sulphur

我们要采购化学用品，硫磺，粉状硫磺，薄片硫磺，小粒硫磺，块状硫磺

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。

A model for predicting the sulphur content in hot metal based on neural networks is introduced. Blast temperature, blast flux, top temperature, burden, coal injection rate, sulphur content in ore, sulphur content in coke, sulphur content in coal and silicon content of last tap were selected as inputs. The inputs were treated with time lag to improve prediction.

采用3层BP神经网络来预报高炉铁水硫含量，根据高炉冶炼的实际生产数据，选取风温、风量、炉顶温度、焦炭负荷、喷煤量、矿石硫含量、焦炭硫含量、煤粉硫含量和上一炉铁水硅含量9个因素作为输入变量，为提高神经网络预报的准确率，对输入参数进行时滞处理。

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