查询词典 deionized

Commercial humic acid is diluted with different quantity of deionized water as water sample of known DOM concentration.

用商品腐殖酸和去离子水配置成已知浓度的溶液代替标准DOM溶液进行标定，得到回归方程。

5 Deionized water with a resistivity of at least 18.0 megohm-centimeter.

4.5 电阻率至少为18.0兆欧-厘米的去离子水。

The invention uses the fermentation liquor of one Escherichia coli generating polysialic acid as material, filters and removes thallus, adds some solvents as sodium chloride and alcohol into supernatant to deposit polysialic acid, dissolves the polysialic acid deposits via deionized water, filters to remove modified protein, uses alkali prolease to treat filtrate, complexes deposits via cetyl pyridinium chloride or cetyltrimethylammonium bromide, and dissociates, uses over alcohol to deposit polysialic acid, dissolves the deposits via ultra-pure water, grades and purifies via chromatography column, collects and dialyzes eluent, cools and dries to obtain polysialic acid.

本发明以一株产聚唾液酸大肠杆菌的发酵液为原料，经过过滤去除菌体，上清液加入适量氯化钠和乙醇等溶剂沉淀出聚唾液酸，聚唾液酸沉淀用去离子水溶解，再用过滤去除变性蛋白质，滤液经过碱性蛋白酶处理、氯代十六烷基吡啶或十六烷基三甲基溴化铵络合沉淀并解离后，再用过量乙醇沉淀出聚唾液酸，聚唾液酸沉淀用超纯水溶解，用层析柱进行分级纯化，收集洗脱液经过透析，冷冻干燥得聚唾液酸产品。

Methods: NG108-15 cells were cultured in vitro at 37℃in a humidified atmospherecontaining 5％CO_2. Aβ_(25～35) fragment was dissolved with deionized distilledwater and aged for 4 days at 37℃. The cells were exposured to 5μmol/LAβ_(25～35) for 24h to establish the cell model. Twelve rabbits were divided intotwo groups at random, and garaged with MWD or physiological saline controlrespectively for 7 days to collect two kinds of cerebrospinal fluid, theyare CSF from rabbits treated with MWD and CSF from rabbits treated withphysiological saline.

NG108-15细胞在37℃、体积分数为5％的CO_2培养箱中培养，Aβ_(25～35)溶解于双蒸水中，置于37℃培养箱中老化4d，使其寡聚，毒性增强，细胞被置于浓度为5μmol／L的Aβ_(25～35)中作用24h，建立起AD细胞模型。12只清洁级大耳白家兔购于华中科技大学同济医学院动物中心，将其随机分成两组，分别给与等量的加味温胆汤和生理盐水灌胃7d，末次给药后1h内用水合氯醛将给药组白兔麻醉，1.2ml／kg，无菌条件下用7号注射针头从枕骨大孔处垂直进针，抽取清亮含药脑脊液。

In the first part of the thesis, I employ a series of asymmetric coplanar electrode pairs to design an interdigitated microelectrode array and observe the motion of submicron latex particles in a deionized water subjected to ac electric fields.

第一部份，我设计两不同宽度的电极交错使之成为一阵列，然后在微流道内通入次微米胶体粒子与二次水混合溶液以交流电场作用。

Compared with the prior art, the preheating method preheats the reaction system to an optimal reaction temperature by the deionized water or the grinding fluid with certain temperature and does not need to preheat the reaction system by grinding dummy wafers.

与现有技术相比，本发明预热方法通过带有一定温度的去离子水或者研磨液将反应系统加热到最佳的反应温度，不需要通过研磨一些空挡片进行预热。

The sample was extracted by deionized water. The extract was cleaned up and concentrated on a SPE column, then eluted by methyl-tert-butyl ether. The elution was concentrated under nitrogen and redissolved to 1 mL.

样品中24种目标物用蒸馏水浸出后，经固相萃取小柱富集净化，再用叔丁基甲醚洗脱，洗脱液氮吹浓缩定容后用气相色谱－质谱法测定。

1 Weigh to the nearest 0.001 g., approximately one (1) gram of solder paste and place it into a tared 165 mm [6.496 in] by 200 mm [7.874 in] Kapak bag containing 50 ml of a solution of 10% by volume isopropyl alcohol and 90% by volume deionized water.

5.2.1 称量精确至0.001 g。称取约1g焊膏并将它放于规格为165 mm [6.496 in] by 200 mm [7.874 in] 的Kapak袋，袋中装有异丙醇体积分数为10%（去离子水体积分数为90%）的溶液50 ml。

Ingredients:Skin albumin、Hyaluronic Acid、Licorice Extract、Seamollient Vitamin E、Glycerine and Deionized water.

成份：蚕丝蛋白、玻尿酸、甘草萃取液、海胆萃取液、维他命E、甘油、去离子水。

On the basis of the Washburn principle , the contact angles of various liquids such as deionized water, sodium chloride solution of mass fraction 0.05, ethanol and ethanol-water solution of volume fraction 0.15 on the sediment surface were measured by the JF99A contact angle meter with osmotic pressure method.

根据Washburn原理研制的JF99A型粉体接触角测量仪，是利用渗透压力法测定粉体的接触角。

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