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HPMC is prepared when a purified form of cellulose is reacted with sodium hydroxide solution to produce a swollen alkali cellulose that is chemically more reactive than untreated cellulose.

当被净化的纤维素与氢氧化纳溶液反应产生一种膨胀碱性纤维素时，HPMC就产生了，这种纤维素在化学上比没有经过处理的纤维素更易起反应。

The characteristics of deoxidization of alkaline-earth metals -contained compound alloys has been introduced in this paper, conclusion can be drawn that it will be promising developing alkaline-earth metals -contained alloys which can be applied in purified steel manufacture.

介绍了碱土复合合金的脱氧特性，指出开发适用于纯净钢的碱土金属复合合金有重要的应用价值。

Methodspolysaccharides a was extracted and purified through 0.5% ammonium oxalate and ethanol precipitation, the content was determined by phenol-sulfuric acid under 485 nm.

方法采用0.5%草酸铵溶液提取、醇沉的方法分离纯化大蒜多糖组分a，以苯酚-硫酸显色法测定大蒜多糖组分a的含量。

300Mg Calcium L-threonate containing 40mg 〓Ca was given to the subjects shortly after intravenous injection of 4mg 〓Ca chloride solution. Urine samples were collected for 48 hours, and purified by precipitation of ammonium oxalate.

研究中，14名受试者在空腹状态下口服〓Ca标记的L-苏糖酸钙咀嚼片（含300mg元素钙，其中〓Ca 40mg），同时静脉注射含有4mg 〓Ca的氯化钙溶液，分段收集给药前和给药后48小时内的全部尿样。

At the same time, we purified the plant expressed S gene preliminarily with ammonium sulphate.

同时我们对转化株粗提蛋白进行了硫酸铵分级沉淀，ELISA分析表明S抗原在40％～50％的硫酸铵浓度范围内沉淀最多。

Meanwhile,our company also manufactures such pudfication products as high/medium/primary efficiency frame/ bag filter with/without spacer,pass-through box,Puriftcation wind feeding port,wind sprinkling room,purification platform and layer flow housing,etc.for the use in purified aseptic room,and provides installation services for purification engineering and air conditioning engineering.

我公司主要生产组合式中央空调机组、立式、卧式、吊顶式新风机组，冷热电空气幕及表冷器、换热器、蒸发器、冷凝器、风口、阀门等空调配件，同时，生产净化无菌室用的高、初、中效、框架式、袋式、有、无隔板式过滤器、传递窗、净化送风口、风淋室、净化工作台，层流罩等净化产品与净化工程及空调工程安装。

The purified GST-SRp55 by glutathione-agarose beads showed a ~ 60 kD major band by coomassie blue staining, which also was recognized by anti-GST antibody.

通过亲和纯化得到分子量在60kD左右的蛋白，经蛋白印迹分析证实为GST-SRp55融合蛋白。

The invention has steps:(1) In a biochemical reactor, carrying out biological processing to get mixed liquor;(2) Separating mud with water of the mixed liquor in sediment area of the biochemical reactor, discharging supernatant solution;(3) Supernatant solution is processed in a beach purification band planted with emerging plant, floating plant and/or submergent plant, adsorption granular material and enzyme-promoted packing are arranged on lakebed of the beach purification band, film aggregate is suspended in 0.4 m depth of the lakebed;(4) The purified effluent discharges into natural water body.

本发明步骤为：(1)在生化反应器内进行生物处理，得到混合液；(2)混合液在生化反应器沉淀区进行泥水分离后，出上清液；(3)上清液进入湖滨净化带处理，湖滨净化带植有挺水植物、浮水植物和/或沉水植物，湖滨净化带水底湖床铺垫吸附粒料与酶促填料，在湖床底0.4m水深悬置挂膜骨料；(4)净化处理后的出水排入自然水体。

Fire resistance of Pinus armandii bole were tested with fuel bed designed by the authors during the prohibitive period of forest fire. The mortality rate was accounted with a program developed by the authors with Visual Basic 6.0 after the phloem of samples were soaked with 4% 2, 3, 5-triphenyltetrazolium chloride solutions, then painted and scanned the distributing map of mortal and living phloem, purified the map color with Photoshop. Relationships between fire resistance of the bole and diameter, wood bark thickness, temperature, and heating time were anayzed. Countermeasures of forest fire protection were put forward.

在森林防火戒严期，用自行设计的装置对云南主要造林树种华山松进行了不同温度、时间作用下的树干耐火性试验，用红四氮唑对高温作用后的树干韧皮部进行了染色，经勾绘、扫描后用Photoshop软件将死亡的韧皮部处理成易于计算机识别的纯色，用Visual Basic 6.0编写的程序计算了树干韧皮部的死亡率，初步分析了华山松树干耐火性率与树干直径、树皮厚度、受热温度、受热时间的关系，据此提出了相应的森林消防措施。

Beet root red color is extracted and purified from edible beet.

甜菜红色素是从食用红甜菜中提取精制而成。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失