强碱
- alkali;strong base
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模拟强碱滴定弱酸的VB程序及应用实例
Simulate VB Program of Alkali Titrate Weak Acid and Its Practical Cases
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用XPS分析喷丸处理后800合金在强碱溶液中的腐蚀产物
The characterization of film on alloy 800 after shot peening in aqueous alkali by using XPS
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OH型强碱阴树脂有机物清除器
The Organic Scavenger of type OH Strong Basic Anion Exchange Resin
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强酸和强碱中和过程的pH控制
Controlling pH in the Neutralization Process of Strong Acid and Strong Alkaline Solution
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在强酸和强碱条件下,染料活性艳红X-3B的降解率较高。
The degrading rate of dye brilliant red X-3B held high in strong acid and strong alkaline .
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Cr元素对铁合金抗热强碱磨损腐蚀性能的影响
The Effect of Element Cr on Erosion Corrosion of Ferroalloy in Hot Concentrated Alkaline Solution
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聚乙烯醇在强碱性水溶液中与Fe(Ⅲ)离子间的配位-交联反应
The coordination cross - linkage reaction between PVA in strong basic aqueous solution with fe ( iii ) ion
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碱度:具有强碱的性质,其ph值高于七。
Alkalinity : The state or quality of being alkaline , having a pH of more than 7 . Also called Causticity .
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实验考察了CO2浓度增加对强碱三元复合体系中的碱浓度、粘度和界面张力的变化影响。
The experiments examined the effects of increased CO2 concentrations on alkali concentration , viscosity and interfacial tension , respectively .
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通过层析实验,考察了强碱3树脂对不同的免疫球蛋白分离纯化的能力,并讨论了不同缓冲液体系及缓冲液的pH和离子强度对其分离能力的影响。
And 3 # alkali resin was used to study about the effects of different buffer systems , buffer pH and ionic strength by chromatographic experiments .
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最后,分别以OH加合机制和氧化机制对强碱、强酸作用下碱基释放量增加的现象进行了解释。
In addition , The phenomenon of the yield of A increasing in alkaline and acid solutions was respectively explained by OH-attach mechanism and oxidization mechanism .
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使用强碱NaOH为助催化剂时,可提高氢转移加氢反应的速率和转化率;
The addition of NaOH can increase the reaction rate and conversion of acetophenone significantly .
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新型固体强碱KNO3/Al2O3的碱性
Basic properties of new solid strong bases derived from al_2o_3 supported kno_3
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结果表明,pH值、热、光对紫草色素的性质影响不大,但强碱、强日光及某些金属离子对色素有一定的影响。
The result showed that the heating , light and pH did not affect stability of alkannin , but alkali , strong sunlight and some metallics affected its stability .
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酸碱度控制剂可有效的中和高pH值压裂液中的强碱性物质,使液体保持在弱酸性的环境下,在一定程度上减轻了水敏程度。
The pH controlling agent can neutralize the alkali matter in high pH fracturing fluid to keep the fluid in mild acid environment and mitigate the degree of water sensitivity .
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结论:PRZ在强酸和强碱条件下均不稳定,若制成液体制剂可调pH为5.1左右。
The pH of the liquid preparation of PRZ should be adjusted to about 5.1 .
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与此同时,由于强碱的使用,出现了高PH值下多价离子的沉淀、岩石矿物的溶蚀等现象,各个试验区都出现了不同程度的结垢现象。
At the same time , phenomenon of sediment of ions in high PH and dissolving capacity of rock are also appears , different level scale phenomenon is arisen in every experiment area .
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首先对PVDF中空纤维膜进行强碱及强氧化剂处理,使基膜表面活化。
First , the treatment with strong alkali and strong oxidant to PVDF hollow-fiber membrane was carried out to activate the surface .
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采用中强碱和弱碱混合物做缓冲剂,可使漂白过程的pH值既不过高,也不过低,对提高漂白速度和浆的白度有利。
Acting as moderator , the intermixture of strong alkali and weak base can stabilize pH values in the performance and can improve bleaching velocity , as well as the brightness of the pulp .
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Fe&K系催化剂表面至少存在两种强度不同的碱中心,其中强碱中心b态对乙苯催化脱氢贡献较大;
There arc at least two kinds of basic centers on catalyst surface , of which the stronger " b " basic centers have greater contribution to dehydrogenation of ethylbenzene than the weaker " a " basic centers .
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本文探讨了NP型螯合树脂对铀的吸附性能,并与强碱性阴离子交换树脂进行了比较。
This paper discusses the adsorption properties of uranium by the NP-type chelate resin and compares them with those of the strong basic anion exchange resin .
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这样,用低C多元醇的强碱水溶液处理复杂的含金、银物料时,贱金属氧化物生成双金属醇盐溶解脱除的同时,金银等贵金属被富集在渣中。
Therefore , precious metals , such as gold and silver can be enriched in the residue and the base metal such as copper , lead and antimony are dissolved by solution when the gold and silver-bearing material is treated .
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使用强碱氢氧化钾为沉淀剂,通过水热法成功合成了具有六角形貌的过渡金属氢氧化物Ni(OH)2及Co(OH)2片状纳米晶。
Transition metal hydroxides Ni ( OH ) _2 and Co ( OH ) _2 nano-sheet crystals with hexagonal morphology have been successfully synthesized through hydrothermal method using strong alkali ( KOH ) as precipitator .
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PTFE纤维具有优良的耐腐蚀性,低摩擦因数,不燃,能耐强酸、强碱、强氧化剂等强腐蚀性试剂或溶剂,耐高、低温性能优良。
PTFE fiber has good corrosion resistance , low friction factor , nonflame , strong acid and strong alkali resistance , high temperature and low temperature resistance .
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RP-HPLC测定苦豆子总碱中莱曼碱的含量碱度:具有强碱的性质,其ph值高于七。
RP-HPLC determination of lehmannine in total alkaloids of Sophora alopecuroides Alkalinity : The state or quality of being alkaline , having a pH of more than 7 . Also called Causticity .
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(化学)某种碱的、表示某种碱的、具有某种碱的特性或者含有某种碱。碱度:具有强碱的性质,其ph值高于七。
( chemistry ) of or denoting or of the nature of or containing a base . Alkalinity : The state or quality of being alkaline , having a pH of more than 7 . Also called Causticity .
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采用以聚丙烯(PP)短纤为基体,通过共辐照引发苯乙烯(St)和二乙烯基苯(DVB)接枝共聚,再经氯甲基化、胺化制成的强碱性阴离子交换纤维。
A strong anion exchange fiber was synthesized by irradiation-induced copolymerization styrene ( St ) and divinylbenzene ( DVB ) onto polypropylene ( PP ) fiber chloromethylation reaction and amination reaction .
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S1的POD对温度和pH适应范围宽,在低、高温、强酸和强碱下的活性均比引进种的高。
The adaptability range of POD of S 1 to pH is wide , and higher than that of the imported one under both low and high temperature and both strong acid and base .
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再测定Na2CO3强碱液中重金属pb~(2+)的含量。
The concentration of heavy metals , Pb ~ ( 2 + ) etc in HNO_3 and in Na_2CO_3 solution were determined respectively .
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在强碱诱导下的碱性PEG-400介质中,硼氢化钠、硒粉和卤代烃反应高产率得到二硒醚。
Diselenides were synthesized by the reaction of sodium borohydride , selenium powder and halohydrocarbon in the media of PEG-400 .