Thermocuring and heat resistance of the complexes of sodium borate with phenol-formaldehyde resol resin were studied by thermal analysis and infrared spectroscopy.
利用热分析法和红外分析法 ,研究了硼酸钠 /甲阶酚醛树脂配合物的热固化反应过程和耐热性 。
Preparation of quick-dissolving carboxymethyl cellulose (CMC) by crosslinking agent sodium borate,condensation polymer dialdehydomethane and CMC is studied.
利用交联剂硼酸钠和丙二醛缩聚剂与羧甲基纤维素 (CMC)反应 ,生成速溶型CMC ,既解决了CMC溶解缓慢问题 ,又提高了CMC的粘
The complexes structure of sodium borate and resol phenol formaldehyde resin and their reaction mechanism are investigated by measuring pH and analyzing infrared spectroscopy.
通过对溶液 pH值的测定和红外光谱分析 ,研究了在水溶液中硼酸钠与甲阶酚醛树脂的配位反应、产物结构和反应机理 。
Research activation effect of tetraacetylethylenediamine on sodium perborate;
四乙酰乙二胺对过硼酸钠活化作用的研究
Preparation of sodium perborate from wastewater of calcium metaborate manufacturing
由偏硼酸钙生产过程中的废液制备过硼酸钠
A teasaponin is extracted from the tea seed,and then a well-behaved washing assistant is prepared by the teasaponin blended with sodium perborate.
通过从茶籽饼粕中提取茶皂素,并将其与过硼酸钠进行复配进而制取性能良好的洗涤助剂。
The preparation method of potassium pentaborate (KB5O8) was studied with the replacement reaction between potassium chloride and sodium pentaborate solution.
研究了利用氯化钾晶体和五硼酸钠溶液的复分解反应制备五硼酸钾的方法。
Polyferric silicate sulfate containing boron(PFSSB),a new type of inorganic polymer flocculant,was prepared using sodium silicate,ferric sulfate and sodium borate as raw materials under the conditions of SiO_2 mass fraction 3%,pH 3,activation time 30min,mol ratio of Fe to Si 0.
以硅酸钠、硫酸铁和四硼酸钠为原料,在SiO2质量分数为3%、pH为3。
Effect of sodium metaborate on the performance of hydrogen generation from the hydrolysis of sodium borohydride solutions;
偏硼酸钠对硼氢化钠水解制氢性能的影响
According to the thermodynamics,it was discussed the possibility of reduction of sodium metaborate to produce sodium borohydride.
首先从热力学角度讨论偏硼酸钠还原生成硼氢化钠的反应;根据吉布斯函数,讨论反应进行的必要条件。
The sodium borohydride can be obtained by deoxidation of the aforementioned sodium metaborate as raw material in the presence of metalic sodium and quartzite.
偏硼酸钠是硼氢化钠的还原副产物。
Sodium metaborate is a by-product from deoxidation of sodium borohydride.
偏硼酸钠是硼氢化钠的还原副产物。
sodium peroxoborate tetrahydrate
过氧化硼酸钠（四水合物）
pH Basic line--Sodium tetraborate decahydrate
GB6856-1986pH基准试剂四硼酸钠
sodium tetraborate decahydrate
四苯(基)硼酸钠十水合物
Preparation of Calcium Metaborate and Sodium Perborate from Borax and Slaked Lime
由硼砂和消石灰制备偏硼酸钙和过硼酸钠
Chemical reagent-Disodium tetraborate decahydrate
GB/T632-1993化学试剂十水合四硼酸钠(四硼酸钠)
Preliminary Study on Electrochemical Reduction of Sodium Metaborate to Produce Sodium Borohydride;
电化学还原偏硼酸钠制备硼氢化钠初探
Preparation of sodium perborate from wastewater of calcium metaborate manufacturing
由偏硼酸钙生产过程中的废液制备过硼酸钠
The sodium borohydride can be obtained by deoxidation of the aforementioned sodium metaborate as raw material in the presence of metalic sodium and quartzite.
以偏硼酸钠为原料，与金属钠、石英砂进行加氢反应来制备硼氢化钠。
Common bleaching agents are hydrogen peroxide, sodium hypochlorite, sodium chlorite and sodium perborate.
常用的漂白剂有过氧化氢、次氯酸钠、氯化钠以及过硼酸钠。
an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent.
一种由含水硼酸钠组成的硼矿石，用作助熔剂或去污剂。
a light soft mineral consisting of hydrated sodium borate in crystalline form; an important source of boron.
一种轻软矿物，由含水硼酸钠组成，晶体状，是硼矿的主要来源。
Due to its low activity in the cold and the necessity to wash modern fibers at lower temperature,researchers were looking for improvernents.
由于过硼酸钠在低温下活性较低 ,而现代的许多纤维要求较低的洗涤温度。
Study on Promotive Hydrolysis of Sodium Borohydride by Nickel Acetate
醋酸镍促进硼氢化钠水解制氢的研究
The Effect of Ferrous Sulfate,Sodium Molybdate and Boric Acid on Phaseolus Radiatus L. Seed Germination in the Test Tube;
硫酸亚铁、钼酸钠和硼酸对绿豆试管内萌发的影响
Sodium, sulfate, magnesium, calcium, carbonate, bicarbonate, chloride, and boron should be determined in a water anylasis.
水质分析要测定钠、硫、镁、钙、碳酸盐、重碳酸盐、氯和硼的含量。
mixed or impregnated with borax.
与硼酸混合，或注入硼酸。
A salt or an ester of boric acid.
硼酸盐一种硼酸盐或硼酸酯