查询词典 sulfur dioxide

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。

Principle— The titrimetric determination of water is based upon the quantitative reaction of water with an anhydrous solution of sulfur dioxide and iodine in the presence of a buffer that reacts with hydrogen ions.

原理---水分滴定测定法是基于水与二氧化硫和碘的无水溶液，在能与氢离子反应的缓冲溶液下发生的定量反应。

The invention relates to a pipeline polyurea outer anticorrosive coating and the making method thereof, making heated prepolymerization reaction on dibenzo-methane diisocyanate, carbodiimide diisocyanate, polyether binary alcohol and polyether trihydric alcohol to prepare prepolymer solution A, and making end amino polyethylene oxide ether, dimethyl sulfur-based toluene diamine, diethyl diamine, iso-propyl titanate solution, polyacrylate, carbon black, titanium dioxide and lightweight calcium carbonate into solution B, and as using, respectively heating the solutions A and B to 65 deg.C and then mixing them, then quickly spraying and curing to form a coat.

本发明涉及一种管道用聚脲外防腐涂料及制造方法，由二苯基甲烷二异氰酸酯、碳化二亚胺化二异氰酸酯、聚醚二元醇和聚醚三元醇通过加热预聚反应制成预聚物的A液、由端氨基聚氧化乙烯醚、二甲硫基甲苯二胺、二乙基甲苯二胺、钛酸异丙酯溶液、聚丙烯酸酯溶液、碳黑、钛白粉和轻质碳酸钙配制而成的B液组成，使用时将A液和B液分别加热至65℃后混合，然后快速喷涂固化形成涂层。

The high-purity manganese carbonate is prepared by leaching manganese with sulfur dioxide, removing impurities, carbonating and crystallizing from Xiangtan's low-grade manganese ore .

采用湘潭低品位的贫软锰矿为原料，对二氧化硫气体湿法浸锰、浸出液除杂、碳化结晶制备高纯碳酸锰的工艺进行了研究。

The processing technology of Huanghua pear fermented wine are : Huanghua pear →selection, washing →cleavage breakage→pretreatment→squeezing juice →pectinase clarification(pH3.5,1%pectinase solution adding 0.15%,45℃,50minutes)→dominant fermentation (1596 yeast, temperature 20℃,inoculation volume 7%,optimum initial pH3.1~3.4,volume loading 80%,sulfur dioxide 100mg/l,circle 8 days )→seperation and taking wine →after fermentation(10~15℃,14days)→seperation and disgorging→maturation→clarification (bentonite adding 0.16%)→filtration→adjustment→bottle

9黄花梨酒的加工工艺为：黄花梨→挑选、清洗→破碎→预处理→榨汁→果胶酶澄清(pH3.5，1％酶液的加入量为0.15％，温度45℃，时间50min)→主发酵(1596菌种，发酵温度20℃，接种量7％，最适初始pH3.1～3.4，装液量80％，二氧化硫加入量100mg／l，周期8天)→分离取酒→后发酵(10～15℃，时间14天)→分离除渣→陈酿→澄清(皂土加入量为0.16％)→过滤→调配→装瓶

Cut down cost in changing a project for the energy saving,the gas making use of a sulfur dioxide to change is that the cold stove gas preheats , reduces at the same time to change the air temperature degree , reclaim the quantity of heat changing an implement.

转化工程中为了节约能源，减少成本，利用二氧化硫转化气为冷炉气预热，同时降低转化气温度，回收转化器的热量。

At the same time,the sulfur dioxide and sulfureted hydrogen discharged by the gangue self-ignite heavily pollute the atmosphere and mine ecological environment.

同时矸石山自燃排放大量的二氧化硫和硫化氢气体，导致大气严重污染，对矿山生态环境造成了严重的污染。

Shipped products have to do: Safety matches, barium nitrate, sodium nitrate, sodium sulfite, cleaning agents, polyurethane, trichloroisocyanuric acid, sulfur dioxide, etc.

运做的产品有：安全火柴，硝酸钡，硝酸钠，亚硫酸钠，清洗剂，聚氨酯，三氯异氰尿酸，二氧化硫尿等等产品。

This design is mainly on sintering flue gas emissions of sulfur dioxide total control of the main purpose is to design suitable to China's national conditions of the technologically advanced and economically reasonable sintering and other industrial boiler flue gas desulphurization new technology and new equipment.

摘要本设计主要是对烧结烟气排放二氧化硫总量控制方法的研究，主要目的是设计出适合我国国情的技术上先进、经济上合理的烧结和其他工业锅炉烟气脱硫新工艺和新设备。

Fresh edible fungi and seaweeds, vegetables in brine sauce and steamed bread were main contributions of dietary exposure of sulfur dioxide for the populations in countryside.

但是城市和农村略有差别，城市人群主要以干制食用菌和坚果与籽类为主，农村人群则以新鲜的食用菌、盐渍的蔬菜和馒头等为主。

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。