查询词典 borate

Oil soluble sodium borate,sodium alkoxyborate,additive,tribological behavior

油溶性烷氧基硼酸钠的制备及其抗磨减摩性能研究。

On the base of sodium hydroxide and zinc acetate to adsorb the sulfide and the sodium borate buffer added to enhance the deposition effect,the deposition of zinc hydroxide and zinc sulfide was separated from the solution by a centrifuge ,then the soluble sulfide was determined by the method of methylence blue.

在Zn(CH3COO)2和NaOH溶液固定硫化物和硼砂缓冲液加强沉淀效果的基础上，提出用离心法将硫化物从溶液中分离出来，采用亚甲基蓝法测定水样中硫化物浓度的方法。

The factors relevant to the running buffer and their effects on separation were investigated. The buffer solution composed of 30 mmol/L sodium borate and 2.4 mmol/L β-CD was found to be the most suitable electrolyte for separation. The second order dissociation constant range of honokiol was estimated. The content range of honokiol in Cortex Magnoliae Officinalis and was 3.42-5.98 mg/g, while the mean content of honokiol in its preparation 0.021 mg/mL.

优化了厚朴提取物的分离条件，考察了缓冲溶液浓度、pH 值、β-CD的添加浓度对分离的影响，确定了最佳的分离缓冲溶液组成为30 mmol/L 硼砂和2.4 mmol/L β-CD，pH 值为9.48；推测出和厚朴酚的二级离解常数pKa2 的范围为9.94-10.83；在优化的分离条件下，测定了厚朴药材和藿香正气口服液中和厚朴酚的含量分别为3.42-5.98 mg/g、0.021 mg/mL，和厚朴酚的线性范围是0.020-0.405 mg/mL，其线性相关系数R=0.998(n=5)，加样回收率为98.4-103.5%，RSD 为3.2-5.7%(n=3)。

The capillary electrophoresis fingerprints of Fructus Forsythiae was established to control its quality. The background electrolyte was a 75 mmol/L sodium borate solution adjusted to pH 9.7 with 0.1 mmol/L NaOH solution. The detection wavelength was 228 nm and a voltage of 14 kV was applied. The Forsythia suspensa Thunb.

采用毛细管区带电泳法，以75 mmol/L硼砂溶液(用0.1 mmol/L氢氧化钠溶液调pH 9.7)为背景电解质，运行电压14 kV，检测波长228 nm，重力进样15 s(高度9 cm)，建立了连翘药材的毛细管电泳指纹图谱。

The IR spectra indicated that the functional group—COO〓 in PASP linked to the surface of carbon steel. The pitting corrosion inhibition of tungstate and BTA on carbon steel and the passivation of carbon steel in solutions containing sodium borate were studied by the measurement of polarization curves and the curves of current vs.

失重法研究钨酸钠与聚天冬氨酸对碳钢的协同缓蚀效应发现，钨酸钠与PASP对自来水中的碳钢有协同缓蚀作用，加入锌离子可产生进一步的协同作用，碳钢表面分析表明：聚天冬氨酸是以羧基在碳钢表面成键。

To investigate the pitting and metastable pitting rules of type 304 stainless steel, potentiodynamic polarization method was employed to study the behavior of metastable pitting and stable pitting on 304 stainless steel in sodium bromide solution and borate/phosphate buffered bromide solutions. The influence of the concentration of Br-、the pH value、the buffer capacity and general environmental factor to pitting potential and metastable pitting was studied as well.

为了更深入地了解304不锈钢的稳态及亚稳态孔蚀规律，本文采用动电位慢扫描法测得了304不锈钢的阳极极化曲线，研究了不锈钢在纯溴化钠溶液及含溴化钠的硼酸盐或磷酸盐缓冲溶液中的亚稳态孔蚀以及稳态孔蚀行为，分析了溴离子浓度、pH值、缓蚀性阴离子、以及缓冲容量和综合环境因子对孔蚀电位以及亚稳态孔蚀特征参数中的形核数目、峰值电流、生长寿命的影响。

6 Buffer comprised 6 mmol/L sodium phosphate, 10 mmol/L sodium borate, 25 mmol/L sodium dodecyl sulphate is used as runing solution, and UV detection wavelength is at 227 nm to determining disperse blue 2BLN in dyeing wastewater.

6mmol/L磷酸钠、10mmol/L硼砂、25mmol/L十二烷基磺酸钠组成的pH9 6的缓冲溶液作电泳液，UV检测波长227nm，测定了印染废水中分散蓝2BLN 的含量。

The experimental results showed that 20mmmoL/L sodium borate (pH9.3), 126mmmoL/L sodium dodecyl sulfate, 8mmol/L β-cyclodextrin and 20mmol/L NaCl were the optimal conditions for the CE separation.

实验结果表明：采用20mmol/L硼砂(pH9.3)，126mmol/L十二烷基硫酸钠，8mmol/Lβ-环糊精和20mmol/L NaCl时分离结果最佳，16min内实现了20种氨基酸的基线分离。

The rice bran protein can be separated by GP-HPLC with AUC buffer solution. 40 gliadin components and 20 low-molecular weight glutenin subunit could be separated by HPCE with the buffer solution of alkaline sodium borate from wheat. Therefore the differences between varieties can be identified.

用AUC缓冲液和排阻色谱能有效分离米糠蛋白；用毛细管电泳和碱性硼酸钠缓冲液分离小麦蛋白，可得到40多个醇溶蛋白组分和20多个低分子量谷蛋白亚基，以此可鉴别品种差异。

In this paper, we introduce the optical electronegativity Dwglass, to predict basic properties of binary oxide glasses (phosphate, borate, silicate, germinate, tellurite, and titanate).

在本文中，我们引入光学电 DW的玻璃，预测的基本性质二元氧化物玻璃（磷酸盐，硼酸盐，硅酸盐，发芽，碲，钛酸）。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。