硼酸钠

The results showed that mobilities of disaccharide-borate and polylol-borate complexes were relative to pH, concentration of borate and structure of them.

实验结果表明，二糖、多元醇硼酸络合物淌度与溶液的pH值、四硼酸钠的浓度及它们的结构有关。

DS and distribution of DS were improved. The optimized technology was gotten as follows: sodium borate was 8wt%,alkalization temperature 20 alkalization time 90min.The heat-resistance of CMC was also enhanced by adding sodium silicate in alkalization, and adding sodium borate in etherization in the synthesis of CMC. ra was decreased, but the viscosity was significant increased.

综合考 虑对水溶液粘度和取代度及其分布的影响，得到优化了的工艺配方：硅酸钠的加入量浙江人学硕士学位论文为纤维素的10叭%左右，碱化温度为20℃，碱化时间为90min，采用两次加碱法工艺(Zmol%和1 。1 smol%)，醚化阶段加6wt%的四硼酸钠。

A selective and mild PS-DIB/ionic-liquid immobilized 2, 2, 6, 6-tetramethyl-piperidin-4-ol-N-oxyl catalytic oxidation procedure of alcohols to the corresponding aldehydes and ketones in ionic liquid BF4 at room temperature was developed. The oxidant PS-DIB was prepared via the iodation and acetylation of polystyrene resin. For the preparation of the ionic-liquid immobilized TeMPO catalyst, 4-(2, 2, 6, 6-Tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide was first synthesized from TeMPO and 1, 4-dibromobutane.

将聚苯乙烯树脂先碘化再乙酰基化，制得了负载型二乙酰氧碘苯作为氧化剂。2， 2， 6， 6-四甲基－N-氧自由基哌啶醇与1， 4-二溴丁烷反应生成4-溴丁氧基－2， 2， 6， 6-四甲基－哌啶－1-氧化物，再与N-甲基咪唑发生季铵化反应，生成的溴化季铵盐与四氟硼酸钠进行离子交换制得氟硼酸型2， 2， 6， 6-四甲基－N-氧自由基哌啶负载离子液体。

A selective and mild PS-DIB/ionic-liquid immobilized TEMPO catalytic oxidation procedure of alcohols to the corresponding aldehydes and ketones in ionic liquid BF4 at room temperature was developed. The oxidant PS-DIB was prepared via Iodation and acetylation of polystyrene resin. For the preparation of the ionic-liquid immobilized TEMPO catalyst, 4-(2,2,6,6-Tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide was first synthesized from 2,2,6,6-tetramethyl-piperidin-4-ol-N-oxyl and 1,4-dibromobutane.

将聚苯乙烯树脂先碘化再乙酰基化，制得了负载型二乙酰氧碘苯(diacetoxyiodo polystyrene，PS-DIB)作为氧化剂。2，2，6，6-四甲基-N-氧自由基哌啶醇(2，2，6，6-tetramethyl-piperidin-4-ol-N-oxyl，TEMPO)与1，4-二溴丁烷反应生成4-溴丁氧基-2，2，6，6-四甲基-哌啶-1-氧化物，再与N-甲基咪唑发生季铵化反应，生成的溴化季铵盐与四氟硼酸钠进行离子交换制得氟硼酸型2，2，6，6-四甲基-N-氧自由基哌啶负载离子液体TEMPO-IL。

By the state-level key high-tech enterprises - Jinke Technology Group Holdings initiated the establishment of the Company, Ltd., founded in May 2001, is located in China's economy the most dynamic Yangtze River Delta, Hangzhou Bay the south bank of Hangzhou Bay Fine Chemical Park, adjacent to Shanghai Port and Ningbo Port, is the factory covers an area of 880 acres, with more than 600 employees, specializing in the production of sodium percarbonate, tetraacetylethylenediamine, sodium perborate, solid peracetic acid and sodium acetate.

浙江金科化工股份有限公司系由国家级重点高新技术企业－金科科技集团控股发起设立的股份有限公司，创建于2001年5月，地处中国经济最具活力的长江三角洲地区，杭州湾南岸的杭州湾精细化工园区毗邻上海港与宁波港，现厂区占地880亩，拥有员工600余名，专业生产过碳酸钠、四乙酰乙二胺、过硼酸钠（SPB、固体过氧乙酸及醋酸钠。

Inorganic matter: sodium perborate, potassium sulphate, magnesium sulfate, sodium sulfate, potassium nitrate, calcined soda, salt, sodium chlorate.

无机物：过硼酸钠、硫酸钾、硫酸镁、硫酸钠、硝酸钾、纯碱、精盐、氯酸钠、元明粉。

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。

The electrolyte buffer for the anion separation consisted of 40 mmol/L boric acid -1.8 mmol/L potassium dichromate -2 mmol/L sodium tetraborate (pH 8.6), and tetramethyl ammonium hydroxide was used as electro-osmotic flow modifier.

阴离子测定采用的缓冲体系为40mmol/L硼酸-1.8mmol/L重铬酸钾-2mmol/L硼酸钠(pH8.6)，氢氧化四甲铵为电渗流改性剂，5种阴离子在4.6min内达到基线分离，检出限为0.10~1.85mg/L。

Potassium Fluoroborate, Sodium Fluoroborate, Ammonium Fluoroborate

氟化盐：氟硼酸钾、氟硼酸钠、氟硼酸铵、氟锆酸钾、氟锆酸铵。

Pulp mills can use partial borate autocausticizing to increase their causticizing capacity or reduce energy intensity by adding sodium metaborate to the liquor cycle which drives autocausticizing reactions in the recovery boiler and forms sodium hydroxide in the smelt dissolving tank without the use of lime or additional causticizing processes.

纸浆厂可以利用硼酸盐自动苛性微粒来提高他们的苛性化能力或是通过在循环液中增加驱动回收炉中的自动苛性化反应和在冶炼溶解池中形成氢氧化钠而不使用石灰和额外的苛性处理的硼酸钠来减少能源的强度。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。