氟硼酸
- 网络fluoboric acid;Fluoroboric acid
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结合化学胶结法与桥接法的优点,以聚丙烯酰胺(HPAM)、氟硼酸及添加剂T1和T2为原料,研制了一种吸附膜型阳离子抑砂剂。
Integrating the advantages of chemical cementation method and bridge method , a positive ion sand control agent forming adsorbed film was developed with polyacrylamide ( HPAM ) , fluoboric acid and additives T1 and T2 as materials .
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确定了抑砂剂中HPAM相对分子质量为(5-8)×106,水解度为5%-15%,HPAM用量为0.4%-1.0%,氟硼酸用量为0.2%-0.4%。
In the agent , molecular weight of HPAM was ( 5-8 )× 106 , hydrolysis degree of HPAM was 5 % - 15 % , amount of HPAM and fluoboric acid was 0.4 % - 1.0 % and 0.2 % - 0.4 % respectively .
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以十六烷基三辛基氟硼酸铵为电活性物质,制备了BF4~-离子选择性电极。
PVC membrane BF4-ion selective electrode based on cetyl trioctyl ammonium iodide was prepared .
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为了解决氟硼酸铅价格昂贵的问题,本文试图用Pb(Ac)2·3H2O为主盐,探索出一个实际可行的配方及工艺。
Due to the expensive cost of lead fluoborate , the author tries to explore a practical feasible process of Pb plating with Pb ( Ac ) _2 · 3H_2O as main salt .
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氟硼酸体系反应后的残余高岭石衍射峰强度明显变弱,尤其是反应12h,这是由于结晶度下降,晶体结构局部遭受破坏所致。
On the contrast , residual kaolin diffraction peak intensity in HBF_4 showed apparent weakening , particularly after 12h reaction , due to decrease of crystallinity and partial damage of crystal structure .
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用氟硼酸酸化低渗砂岩地层的研究
Studies on fluoboric acidizing treatments of low permeability sandstone reservoir
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氟硼酸的水解及其与硅质物质的反应速度
The hydrolysis rate of fluoboric acid and its reaction with siliceous substances
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该法应用于含硼炉渣及氟硼酸电镀液中氟的测定。
A procedure for fluoride determination in slag and electroplating solution is proposed .
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氟硼酸铅镀液中硼酸的测定
Determination of boric acid in fluoborate lead plating baths
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新型非线性光学材料氟硼酸钙的合成及晶体生长
Synthesis and Growth of New Type Nonlinear Optical Material of Calcium Fluoride Borate
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氟硼酸锶铕的合成与发光的研究
Synthesis and luminescence property of europium-activated strontium fluoroborate phosphor
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疏松砂岩油藏氟硼酸酸化技术研究与应用
Research and application of fluor - boric acidizing technique for loose sandstone reservoir
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锂电池用草酸二氟硼酸锂有机电解液的电化学性能
Electrochemical Properties of LiBC_2O_4F_2 Organic Electrolytes for Lithium Batteries
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锡铅镀层无氟硼酸浸亮清洗剂
A Non-fluoboric cleaner of Sn - Pb Coating
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氟硼酸形成的一种盐。
A salt of fluoroboric acid .
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多氢酸体系对砂岩储层的酸化效果要好于土酸和氟硼酸等常规酸液体系,应用多氢酸体系进行酸化处理后的岩心渗透率比可达3.0。
Especially it can give better acidizing effect for the sandstone reservoir than the conventional acid systems .
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报导从氟硼酸体系的镀液中电沉积铅镉合金的最佳配方和工艺条件.所得合金镀层结晶致密、半光亮,含镉>20%。
Optimized fluoborate bath for electrodeposition of semi-bright fine-grained lead-cadmium alloy containing > 20 % Cd is reported .
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通过在氟硼酸铅体系中加入适量的固体颗粒,制得Pb-WC-ZrO2复合镀层。
Pb-WC-ZrO_2 composite coatings were prepared with addition of suitable amount of solid particles such as WC and ZrO_2 in lead fluoborate system .
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主要研究了重氮化过程中氟硼酸用量、亚硝酸钠用量等条件对重氮盐收率的影响。
This study focused on the effection of diazotization process conditions such as amount of fluoroboric acid and sodium nitrite on the yield of diazonium salt .
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研究了氨基磺酸、氟硼酸及对甲苯磺酸的助催化作用,并探讨了其催化机理。
The research was concentrated on the co catalysis effect and the related catalytic mechanism of strong acids , such as amino sulfonic acid , p toluenesulfonic acid and fluoroboric acid .
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氟代硼酸锂玻璃的分子动力学模拟
Molecular Dynamics Simulation of Fast Li ~ + Conduction in Fluoroborate Glasses
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用分子动力学模拟方法,计算了氟代硼酸锂玻璃的电导率。
The conductivities in Fluoroborate glasses were calculated by molecular dynamics simulation method at near and higher than glass transition temperatures .
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2-氯-5-三氟甲基苯基硼酸合成
Synthesis of 2-chloro-5 - ( trifluoromethyl ) phenylboronic Acid
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二氟二草酸硼酸锂对LiFePO4/石墨电池高温性能的影响
Effect of Lithium Difluoro ( oxalato ) borate on the High-Temperature Performance of LiFePO_4 / Graphite Batteries
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阐述了利用磷肥副产氟硅酸制备氟硼酸的新工艺。
Process for the preparation of fluoboric acid from fluosilicic acid , a byproduct of phosphate was introduced .
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氟硼酸根在含有氟、硼酸根等离子的废水中的水解与分析
Hydrolysis And Analysis of Fluoroborate in Waste Water Containing Fluoride and Borate ions
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本文用氟离子选择电极测定氟离子的浓度,用氟硼酸根离子选择电极测定氟硼酸根的浓度,并用这两种方法研究了氟硼酸根的水解过程。
The hydrolysis process of fluoborate is studied by using the fluoride ion selective electrode to determine the concentration of fluoride , and fluoborate ion selective elec - trode to determine the concentration of fluoborate .