查询词典 sulphuric acid

The resultant precipitation —— acid rain is a dilute mixture of sulphuric acid and nitric acid.

由此产生的沉降物——酸雨是稀释后的硫酸和氮酸的混合物。

Simply to produce azotic acid; andthat was easy, since saltpeter, attacked by sulphuric acid, gives azotic,or nitric, acid by distillation.

只是为了制造硝酸，制造硝酸非常简单，只要用硫酸和硝石化合，就可以蒸馏出硝酸来。

With the observation of the outward appearances, it can be known roughly that if the sample was added with adulterations. Since the beeswax dissolves in the benzene but the adulterations, such as gypsum, starch and so on do not, these can be determined. By the verification of acid value and alcohol dissolve ability, the acid or non acid added can be determined. By the change of saponification value, the ester or non ester added can be determined. By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.

通过样品外观的观察初步定性是否掺有杂质；利用纯蜂蜡在苯中溶解，而掺入的石膏、面粉和淀粉等杂质在苯中不溶而定量鉴定这类杂质；由酸值变化和乙醇溶解物的量，测定掺入的硬脂酸等酸性物质或其它的非酸性物质；由皂化值变化，定量测定掺入的动物脂等酯类物质或其它的非酯类物质；根据蜂蜡中的烃类在浓硫酸中可被炭化，加入的石蜡等矿物蜡不被炭化来测定此类掺杂物。

A process as claimed in claim 5 wherein the acid groups are selected from the group consisting of carboxylic acid, phosphoric acid, polyphosphoric acid, phosphonic acid, sulphuric acid and sulphonic acid groups.

作为其中的酸群体从羧酸组成的小组选出的索赔5索赔的过程中，磷酸，聚磷酸，磷酸，硫酸和磺酸基团。

The design criterion,basic types and structural design of sulphuric acid storage tanks have been described in the article and corrosion of sulphuric acid on carbon steel and the impact caused been analyzed as well.

阐述了硫酸储罐的设计标准、基本类型及结构设计，分析了硫酸对碳钢的腐蚀及其由此造成的影响。

Casein was hydrolysed with sulphuric acid under pressure and the hydrolysate was oxidized and nitrated by a mixture of sulphuric acid and potassium nitrate.

培养基中大部氨基酸来源是经硝酸钾处理后的酪蛋白水解液，另补充色氨酸、胱氨酸、蛋氨酸和酪氨酸。

Examples of metal chelating groups include hydroxides especially aryl or heteroaryl hydroxides such as phenolic hydroxides; amines which may be aliphatic aryl or heteroaryl; mercaptans which may be aliphatic aryl or heteroaryl; carboxylic acids which may be aliphatic aryl or heteroaryl; oximes and ketoximines; acetarylamides; hydroxy silanes and silicones; N-containing heterocycles such as imidazoles benzimidazoles triazoles benzotriazoles thiazoles isothiazoles acid anhydrides and more preferably acid groups (especially carboxylic acid groups phosphoric acid groups polyphosphoric acid groups phosphonic acid groups sulphuric acid groups and sulphonic acid groups).

金属螯合组的例子包括氢氧化物，特别是芳基或如酚醛氢氧化物杂氢氧化物；胺可能是脂肪族，芳基或杂；硫醇可能是脂肪族，芳基或杂，这可能是脂肪族，芳基或羧酸杂；肟和ketoximines； acetarylamides；羟基硅烷和有机硅，含N，如咪唑，苯并咪唑类，三唑类，苯并三氮唑，噻唑类，isothiazoles，酸酐杂环，多最好酸组（特别是羧酸团体，磷酸，团体，多聚酸组，膦酸组，硫酸团体和磺酸组）。

Output film or sulphuric acid paper in design suites and confirm that the content is correct and complete, you can print it to the sulfuric acid paper or film, so that the laser used to make PS Edition, when you print to note the following:豍 be sure to select the mirror printing, if the print is there's no doubt that it can print, as a result of sulfuric acid paper or film thickness of plate burning precision, causing it to get the edge of the text is not clear;豎 when it is printed it is advisable to use the software's automatic imposition feature will be the contents of the three-card to a tailor to PS, this will not only save PS, reduce costs, and it is very convenient for the chromatography; when 豏 to master print, time, and generally use sulphuric acid paper or laser films the exposure time is about 3-4 minutes of using electric Division film print, time of 1-1.5 minutes, while the other developering concentration grapple.

输入胶片或硫酸纸在安排好版面并不否认不形式错误后，不离可以不兵其打印到硫酸纸或激光胶片上，以便用来制作PS版，在打印时给夺目以上几不面：豍一不退给拔取镜像打印，如果打印的是别字，晒版时不离会因硫酸纸或胶片的厚度感化晒版精度，变成晒不入的笔不朱边际不澄辉；豎打印时最坏能诳骗软件的被迫拆版功用不兵不一弛咭片的不形式不拆到一弛PS版上，这样不仅耗费PS版、贬矮本钱，而且套色时会格外便当；豏给把持好晒版工夫，凡是搁置硫酸纸或激光胶片晒版的工夫约为3-4不不合钟，搁置电不不合胶片的晒版工夫为1-1.5不不合钟，另边显影液的浓度也给把持好。

Film, sulphuric acid paper haihong-type: this type of original, exposure time, should be carefully handle, because some of the pictures and texts used in film than sulfate for paper document the required exposure time to increase twice as much, or even better, this type of original in exposed not only to ready a sheet of typing paper to retaining to part of the exposure time, but also to prepare a ratio of sulphuric acid paper size large waste PS version mastering sulfuric acid paper blocked the view of typing paper, and the film also exposure, this piece of PS version is good to all of retaining this side of sulfuric acid paper for extending the original copy for the last half of the original version, so that the exposure time of light and dark sides.

软片、硫酸纸参半型：这栽典范榜样的原版，在曝平工夫上，更答不苛澈底不天把持，因为用软片的一些图不白给比用硫酸纸的图不白所需曝平工夫给补充二倍，甚至更众些，这栽典范榜样的原版在曝平时，不但给绸缪好一张打字纸来挡去一局部曝平工夫，而且还给绸缪一块比硫酸纸面积稍不小一不面的宝PS版，在把持好硫酸纸遮关打字纸，而软片一面还给曝平的环境下，这块PS版不离起到残部挡好硫酸纸的这边，以延不幼软片这半版原版的曝平工夫，使双方的图不白深浅分歧。

The synthesis process of silica using waterglass and sulpHuric acid as materials was studied systematicly. The results show that reacting temperature, reacting time, sulphuric acid concentration, reactive stiring rate, modulus of waterglass,adding salting agent,alkali concentration,the total volume of acid and alkali added , different methods of adding materials may have influence on the specific surface area or dibutylphthalate absorption number of silica in different degree.

本文系统地研究了以水玻璃溶液和硫酸为原料合成沉淀法白炭黑的工艺，研究发现：反应温度、反应时间、硫酸浓度、反应搅拌速度、水玻璃模数、添加盐析剂、底碱浓度、酸碱加入的总量、加料方式对白炭黑的比表面积或DBP吸收值有不同程度的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。