查询词典 ion exchange

The synthetic condition s of benzaldehyde and glycol acetals by 732#strong acidic ion exchange resin are studied.

研究了苯甲醛与乙二醇在732#强酸性阳离子交换树脂催化下的合成条件，得到了缩醛化反应的最佳合成条件：醛/醇摩尔比为1∶1。

Adsorption, ion exchange, and chromatography are sorption processes in which certain adsorbates are selectively transferred from the fluid phase to the surface of insoluble, rigid particles suspended in a vessel or packed in a column.

吸附法、离子交换色谱吸附过程，并在一定的吸附物是选择性的转移到表面的流体相溶，刚性悬在船舶或装在一个专栏。

2910 Rotofor Starter Kit, includes 10 ml Bio-Lyte ampholytes (pH range 3–10), 60 ml syringe, colored protein sample, 2 vent buttons, and one each of the ion exchange membranes, hydrated

Rotofor 系统技术资料包（资料＃ 1555A）包括一套带索引的应用材料集和公开文献的摘要，及产品技术指标。

Flux technique at intermediate or higher temperatures, cathodic dissolution and hydroythermal or solvothermal reactions are most important routes to obtain this kind compounds, which have been used as catalyzers, film cells of solar energy, photoelectronic conductors, nonlinear optical materials, adsorption, ion exchange and so on.

目前该类化合物被应用于催化剂、薄膜太阳能电池、光电导体、非线性光学器件、吸附及离子交换等方面。

CEDI unit will perform a integral demineralization process of electrolysis, electrodialysis and ion-exchange.

塞股将演出积分除盐过程中的电解法，电渗析法和离子交换。

To purify high purity lactoferrin from bovine colostrums,a fast separation technique was established by ion-exchange process.

从牛初乳中分离提取乳铁蛋白，建立快速分离纯化乳铁蛋白的工艺。

Decoloured by D218 ion exchange, The inulin solution is clear and colourless, and there is little protein.

经过D218离子交换树脂脱色处理，菊糖液色泽澄清，呈白色，蛋白质基本除去。

MethodsDross were purged from Luohanguo extract with water by ZTC1+1 clarifier, mogroside were isolated by D101 macroporous resin, decoloured on a D301R weak alkaline ion exchange resin.

方法用ZTC1+1澄清剂除去罗汉果水提液中的杂质，以D101大孔吸附树脂分离罗汉果甜苷，D301R弱碱性离子交换树脂脱色。

Purified sucralose-6-acetate which had been recrystallized was hydrolyzed in th system of sodium methoxide/methanol solution, and the mixture was quenched with H+ ion exchange resin, and cake was washed with methanol. The eluate was concentrated to remove methanol and methyl acetate. The aqueous solution was decoloured with active carbon. The filtrate solution was concentrated and crystallized above 38℃for sever hours, the product sucralose was collected.

重结晶的三氯蔗糖-6-乙酸酯于CH3ONa/CH3OH体系中醇解，用H+型阳离子交换树脂中和，蒸去甲醇、乙酸甲酯等，在水相中用活性炭脱色，水溶液经浓缩，在38℃以上结晶数小时，分离得三氯蔗糖。

Based on ion exchange equilibrium,the influence of eluant concentration and resin capacity on adjusted retention volumes was examined.

导出了测定离子交换反应热的方程，测定了在碳酸钠溶液中在季铵二型强碱性阴离子交换树脂上F－、Cl－、NO－2、HPO42－、Br－、NO－3和SO42－的离子交换反应热。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷