查询词典 tetraborate

The extreme pressure performance of sodium tetraborate and potassium tetraborate were studied by cooperating with inorganic salts in aqueous solution,and the wear scar's surfaces were analyzed by SEM and EDX.

以四硼酸钠和四硼酸钾为主要对象，研究了硼酸盐与无机盐复配后在水介质中的极压性能变化规律，并用扫描电镜和X射线能谱分析了磨斑表面形貌和元素组成。

Benzoin condensation using imidazolium based ionic liquids as solvent for the first time has been successfully achieved. The reaction conditions have been studied in detail. When under 65 and with 0.5 equiv. NaOH in ionic liquid l-butyl-3-methyl-imidazolium tetraborate, benzoin was obtained in excellent yield of 91%. Recycling of ionic liquid has been available.

首次探索并成功实现了在咪唑鎓盐离子液体中进行苯偶姻缩合反应，详细探讨了反应条件，当反应在65℃下和0.5当量NaOH存在下以及在离子液体4-丁基-1-甲基咪唑鎓四氟硼酸盐中进行时，苯偶姻产率可达91％；并对离子液体进行了有效回收再利用。

The influences of different surfactants (sodium dodecyl sulfate, sodium cholate and sodium deoxycholate), different electrolytes (sodium phosphate monobasic, sodium tetraborate and 3-cyclohexylamino-1-propane sulfonic acid), buffer pH and organic modifiers on the determination of sialic acid were studied.

其次建立了一种测定唾液酸的在线富集CZE法，该方法用40 mM磷酸二氢钠为缓冲溶液电解质，通过将样品溶解在乙腈：水=2：1的样品基体中，进样时间增加到100 s来达到样品富集的效果，并考察了样品基体中乙腈浓度和进样时间对富集效果的影响，研究了用硼砂或3-环己胺-1-丙烷磺酸作为电解质、缓冲溶液pH值和有机修饰剂的加入对唾液酸检测的影响。

In chapter 6, seven pairs of diastereoisomers of podophyllum lignans at C4-position, including three pairs of spin labeled compounds, were separated by MEKC with 20mM sodium tetraborate-30mM SDS-10％ 2-propanol (pH=9.5-9.7) within 20min.

第六章：首次利用胶束电动毛细管色谱分离了七对抗癌药物鬼臼类木脂素在C4位的差向异构体，该方法可用来鉴定分析物的纯度、确定自旋标记化合物C4-H的构型等，为研究差向异构体不同的抗癌机制提供检测手段。

Penicillin G sodium salt, streptomycin sulfate salt, and reagent grade sodium tetraborate were used in experiments assessing the effects of antibiotics on metal sensitivity.

青霉素G钠盐，硫酸链霉素盐，试剂级硼砂是在实验中使用的评估抗生素对金属的敏感性。

The effect of pH value on the cyclic voltammogram and the electrochemically synthesized polypyrrole film on brass had been investigated in 0.1 mol L^(-1) sodium tetraborate solution.

研究在0.1mol/L硼砂溶液中pH对黄铜循环伏安行为及吡咯在黄铜电极表面电聚合的影响。

By increasing the OD and concentration of oxidized alginate, gelatin and sodium tetraborate, gelation time could be shortened from ten minutes to one minute.

流变性能检测表明，通过调整氧化度、氧化海藻酸钠浓度、明胶浓度与四硼酸钠浓度，可把此类水凝胶的凝胶时间在600s至60s之间进行调节。

Oxidized sodium alginate was made to react with gelatin A in the presence of sodium tetraborate solution to form covalently cross-linked hydrogels.

以四硼酸钠为交联促进剂，利用氧化海藻酸钠与明胶发生Schiff碱反应制备了化学交联水凝胶。

The optimal separation for capillary electrophoresis is 20% methanol, and 0.13mM of β-cyclodextrin in 25mM sodium tetraborate buffer solution(pH 9.1), and 20℃of temperature.

实验结果显示最佳化的毛细管电泳分离条件为25mM四硼酸钠溶液(pH= 9.1)，添加0.13mM β-cyclodextrin 及20%甲醇溶液。

Running buffer was 2 mmol/L aqueous solution of sodium tetraborate containing 75 mmol/L sodium dodecyl sulfate (pH 9.16) and 20% methanol.

毛细管柱，以75mmolLSDS2mmolL四硼酸钠溶液(外加体积分数为20%的甲醇)为缓冲液(pH9.16)。

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。