碱性环境

采用液相化学还原过程，在碱性环境中，以水合肼为还原剂合成了尺寸均匀的铋纳米粒子。

An aqueous chemical reduction method has been proposed to prepare nanocrystals of bismuth using hydrazine hydrate as reductive agent in alkaline medium .

实验表明：在碱性环境中，聚丙烯酸（PAA）可以显著提高液体磁性磨具的分散稳定性，六偏磷酸钠在较宽的酸碱环境中都能提高液体磁性磨具的分散稳定性。

The experiment indicated the polyacrylic acid in the aqueous alkaline medium , but sodium hexametaphosphate in relatively wide aqueous alkaline medium can obviously enhance the dispersible stability of the Liquid-magnetic abrasive tool .

RS在中性稍偏碱性环境下活力较高，其最适PH值为7.5；

RS had higher activity at neutral or slightly basic conditions , its optimal PH was 7.5 ;

这种传感分子可以在较宽的pH范围下使用，这十分有利于其应用于生理环境及偏碱性环境中。

The sensor can be used in a wide pH range , which favours its application in physiological system and basic environment .

在碱性环境中pH升高到10之后，蛋白构象的改变引起色基构象发生一定程度的变化，在此过程中可能还涉及色基的去质子化过程。

In basic solution with pH higher than 10 , there were conformational changes as well as deprotonation process of the chromophore .

L-1；在自然pH值和中性偏碱性环境中的抑菌活性比强碱性环境的抑菌活性强；

Anti-microbial activities in natural pH value , neutral and low alkali environment were stronger than those in the high alkali environment .

碱性环境促进重金属Mo从钼尾矿中迁移释放，并易在河流水体中迁移。

Heavy metal Mo migrated easily in mine tailings and in the Never River for the alkaline condition .

KOH碱性环境中TiO2纳米管的水热制备及机理探讨

Hydrothermal Preparation and Mechanism Study of TiO_2 Nanotubes in KOH Alkaline Solution

结果表明，AchE在酸性和碱性环境中，α-螺旋量均减少，且与活性有平行关系：当温度超过50℃时，α-螺旋量开始下降。

The result showed that α - helix reduced in acidic and basic enviroments and AchE activities decreased .

当微泡沫钻井液体系处于碱性环境即pH值范围在8～10时稳定性最好。

When the drilling fluid is in an alkalescent environment , in another word , the range of its pH value is 8-10 , the drilling fluid will be in the more stable state .

迄今报道的绝大多数纤维素酶的最适pH都在酸性和中性范围，当添加到洗涤剂中，由于处于碱性环境而无活力，不能发挥作用。

The great majority of cellulases , so far reported , have optimal pH in the acidic or neutral range , which have no activity in detergent because of the alkaline condition of detergent compositions .

海洋工程环境中使用的钢筋混凝土，受海盐以及潮湿的环境影响，较容易引起腐蚀，其中碳化作用降低混凝土的pH值，破坏碱性环境。

Reinforced concrete in marine engineering environment is impacted by the sea salt and humid environmental , and easily caused to corrosion . Carbonation reduces the pH value of concrete , and destructed the alkaline environment .

MTC浆在高温碱性环境中能够生成大量凝胶水化产物，使泥浆固化。

MTC pastes cured at elevated temperature in alkalis environment can yield amount of gelatinous hydrate to solidify mud .

三种病原细菌对碱性环境耐受力较强，假单胞杆菌在pH值达到10时才停止生长，黄单胞杆菌和欧氏杆菌在pH达12时仍能生长；

The tolerance of the three pathogens to alkalescence were more resistant , Pseudomonas sp. could not growth until pH value was 10 , Xanthomonas sp . and Erwinia sp. could still growth normally when pH value was 12 ;

对TPS活性影响最大的是pH值，在酸性或碱性环境下提取的TPS活性都最低。

It was concluded that pH was the main factor affecting activity of TPS , since activity of TPS extracted on the condition of acidity or alkalinity was very low .

各温度下溶液pH变化对吸附效果影响趋势相同，碱性环境下吸附性能优于酸性环境，当pH在4-8范围内吸附量基本不变。

The changing trend of pH at different temperatures is roughly the same , the adsorption property in alkaline is superior to acid solution , the adsorption quantity approximately constant with the pH value increasing at the range from 4-8 .

在碱性环境中，Ca、Mg、K的化合物或矿物是制约土壤非闭蓄性硒均主要因子，而控制闭蓄性硒的则是Fe、Al、Ma的氧化物或矿物。

But in alkaline condition , the compounds or minerals of Ca , Mg , K are main factors controlling unenveloped selenium in soil , with the oxides minerals of Fe , Al , Mn controlling the enveloped selenium .

pH值的改变对酸碱不可溶的粗胡敏素影响不大，胡敏酸为溶于碱而不溶于酸的物质，当反应条件趋向碱性环境时，部分胡敏酸溶解而导致吸附减小。

To have little effect for change of pH value of acid insoluble crude HM , HA alkali soluble and acid insoluble substance , when reaction conditions tend to alkaline environment , part of the HA dissolution and lead adsorption decreases .

pH值偏离正常值时，生物活性有不同程度的下降，但对酸性环境的耐受能力远大于对碱性环境的耐受能力；

While pH is deviated from the normal value , the biological activity drops to some degree , and furthermore , the ability of the microorganism to endure the acerbic environment is much higher than that to endure the alkaline environment .

ACQ在碱性环境中固着率高于酸性环境。

Rate of Re-nurture Adhesive property of ACQ in alkaline environment was better than in acid .

根据乐果在碱性环境中水解生成巯基化合物的原理，利用纳米金放大电化学信号，用金电极在KOH溶液中直接测定了乐果。

According to the principle of dimethoate hydrolysis generated sulfhydryl in alkaline environment , dimethoate was determined in KOH at gold electrodes using gold nanoparticle enlarging electrochemical signals .

结果证明，灵菌红素在pH2～pH5之间稳定性很好，在碱性环境中稳定性差；

The results showed that the prodigiosin pigment is stable between pH 2 and pH 5 , and unstable in alkali solutions .

D-I型白云石成岩尚不清楚，可能为深埋藏条件下相对碱性环境下形成的。

It is not clear about the formation of DI-type dolomite , but may formed in deep condition .

结果表明，各因子对OPS的影响程度依次为pH值、超声破碎时间、料水比，影响OPS活性的主要因子是pH值，在酸性或碱性环境下提取到的仙人掌粗多糖活性较低。

The result showed that extraction rate of OPS was affected obviously by those factors , of which pH value was the main factor of affecting the biologic activity of OPS because contents of sugar and protein of OPS extracted in the condition of acidity or basicity were low .

因此，籽粒苋蛋白质最佳提取工艺条件采用料液比为1∶20，在pH8～10的碱性环境下，室温浸提1h。

Based on the primary results , extracting 1 h at room temperature , a 20 ∶ 1 ratio of water to amaranth and pH 8 ~ 10 may be the best technology for the extraction of protein from grain amaranth .

结果表明：反应在温度40℃条件下，10%氢氧化钠水溶液的碱性环境中反应3h后，室温条件下反应10-12h，效果最佳。

The results showed that it was an deal condition that the reactants reacted in the 10 % sodium hydroxide solution at 40 ℃ for 3 hours and reacted at room temperature for 10 ~ 12 hours .

氢氧化钙水糊剂、Metapex糊剂能在根尖周区更为有效地形成强碱性环境，较之Vitapex糊剂更适于作为根尖诱导成形剂。

It may be inferred that the calcium hydroxide paste and Metapex were more effective than the Vitapex in the alkalizing process , and might be the better preparations for apexification .

本文在试验室条件下采用真空法合成了一种新型胺类化合物缓蚀剂OMA以及两种新型咪唑啉季铵盐缓蚀剂OMS和OMC，研究比较了它们在高温高压碱性环境中的缓蚀性能。

A new amide corrosion inhibitor OMA and two quaternary ammonium imidazoline inhibitors OMS and OMC are synthesized in the laboratory . Their corrosion inhibition performances are compared in the alkaline environment of high-temperature and high-pressure , and their structure is affirmed by IR spectra .

胶体金在碱性环境中带负电荷，使其与抗体相吸引，可将抗体标记。

Colloidal gold can combine with antigen in alkali environment .

碱性环境下粉煤灰活性的温度效应研究

Research on Temperature Effect of Fly-ash Activity in Alkalescence Environment