Gastric juice contains hydrochloric acid to provide an acidic solution for pepsin.
胃液内含有盐酸给胃蛋白酶提供酸溶液。
However, in neutral and acidic solution, the kinetic salt effect becomes very weak.
在中性和酸性溶液中,盐效应很弱。
With kBrO3 to oxidize 2- methyl naphthalene in acidic solution to produce 2- methyl naphthoquinone.
用溴酸钾在酸性溶剂下氧化2-甲基萘制备2-甲基萘醌。
The protective agent may be an acidic solution, a salt solution or a mixture thereof, or an inert gas.
保护剂为酸溶液或盐溶液或它们的混合液,或者为惰性气体。
The dissolution of pyrite in acidic solution was relatively fast and easily ranched to dissolution equilibrium.
黄铁矿在酸性溶液中溶解速率相对较快,并且容易达到溶解平衡。
The librated ammonium is distilled, collected in an acidic solution, and determined by a neutralization titration .
蒸馏衩收集在酸性溶液中,再利用中和滴定进行测定。
The sample was digested in the acidic solution and then the calcium reacted with oxalic acid to form calcium oxalate.
样品经湿法消化后,在酸性溶液中,钙与草酸生成草酸钙沉淀。
Tin can dissolve in a strong alkali solution, in ferric chloride, zinc salt of acidic solution of such will be corrosion.
锡能溶于强碱性溶液;在氯化铁、氯化锌等盐类的酸性溶液中会被腐蚀。
In acidic solution, the negative different effect of the alloy is controlled by the kinetics of electrochemical dissolution.
合金在酸性水溶液中的负差效应受电化学溶解过程控制。
Research work on the solvent extraction for palladium recovery from acidic solution developed in recent 10 years was described.
概述了近十多年来溶剂萃取法从酸性溶液中回收钯的研究工作。
The stability of the red pigment in litchi shell, which was extracted by acidic solution leaching from litchi shell, was studied.
以荔枝壳为原料,在酸性条件下浸提荔枝壳红色素,并对其稳定性进行了研究。
In acidic solution, the stable existing zone is blow 0.4v, which means that pyrrhotite would be oxidized and dissolved at very low potential.
在酸性溶液中,磁黄铁矿稳定存在的区域在0.4V以下,说明磁黄铁矿稳定性很差,在较低的电位水平下就会被氧化溶解。
A porcelain like film with protective and ornamental function can be obtained by anodizing aluminum alloy in potassium titanyl oxalate acidic solution.
铝合金在草酸钛钾的酸性溶液中进行阳极氧化可得到具有装饰效果和防护作用的瓷质氧化膜。
Moreover, the super molecular film showed good catalytic activity for the reduction of NO_2~-in acidic solution and the catalytic mechanism was described.
该膜电极对酸性溶液中的NO_2~-有明显的电催化还原作用,初步探讨了电催化机理。
A spectrophotometry method, which based on the reaction of diacetylmonoxime and urea in acidic solution, was established for determination urea in bovine milk.
根据二乙酰一肟与在酸性条件下尿素的反应,建立了一种分光光度法快速测定牛奶中尿素含量的方法,该方法可以定性和定量测定牛奶中尿素含量。
The Fourth Step (Final Water rinse) - the acidic solution is flushed and the system is rinsed until the quality of the effluent is equal to that of the influent.
第四步(最终水洗)将酸性溶液冲洗掉,并不断冲洗系统直到出来的水和进去的水的性质相同时。
However, chitosan can only dissolve in acidic solution, not directly dissolved in the water, so preparation of water-soluble is becoming a new research direction.
但由于壳聚糖只能溶于酸性水溶液,不能直接溶于水中,所以水溶性壳聚糖衍生物的研制正成为一个新的研究方向。
The main results and conclusions can be summarized as follows:AAO template with highly ordered pores was fabricated in acidic solution by using anodization method.
利用阳极氧化法在酸性溶液中制备了孔洞高度有序的多孔氧化铝模板。
This paper expounds the acidity function for the use of concentration acidic solution and super acids, together with the discussion of some application of super acids.
本文阐述了用酸度函数表示浓酸或超强酸的酸度,讨论了超强酸的一些应用。
Separation and recovery of indium and gallium ions in acidic solution with the macroreticular chelating resin containing aminomethylphosphonic acid groups(D418) was investigated.
采用氨基磷酸螯合树脂对酸性溶液中的铟、镓进行了吸附分离研究。
The p-methylaniline and other impurity in the crude product are adsorbed by active carbon and the purified 4B acid is precipitated out by acidic solution from middle compartment.
阴极碱性液溶解4B酸粗品,活性炭吸附除去从粗品中溶出的对甲苯胺等杂质,中间区的酸性液使4B酸精品析出。
By this method, an acidic solution adhered to the surface of the hot-dip galvanized steel sheet after the surface oxidation treatment can be efficiently and sufficiently washed out.
通过该方法,能够有效且充分地洗掉附着在实施表面氧化处理的热镀锌钢板的表面的酸性溶液。
I - was obtained from the kelp by alkali fusion, then oxidized by H2O2 in acidic solution, thus we can determine the iodine content by extraction spectrophotometry, which is about 426.
用碱熔法使海带中的碘以i-形式转移到溶液中,然后在酸性条件下用过氧化氢氧化,三氯甲烷萃取,经分光光度标准曲线法测得海带中碘含量大约为426。
In late 90's, with a view of environmental protection, people began to use ultrasonic instead of acidic solution to clean metal parts. It is a great innovation for cleaning technology.
由于环保因素,在九十年代后期,已改为超声波方法取代酸性溶液方法,这是工业清洗技术的一次重大革新。
The distribution and transfer character of iron in Liaohe vacuum residue were studied by absorption-separation, acidic solution extraction and mild chemical oxidative degradation of asphaltene.
考察了辽河减压渣油在吸附分离、酸性溶液萃取和沥青质轻度降解过程中金属铁的分布和转移情况。
As main evidence of geologic succession, the decomposition and alkali release of alkaline minerals in acidic, neutral or slightly alkaline solution were affirmed.
作为地质演变的主要证据,这些含碱矿物在酸性、中性以及弱碱性条件下的分解析碱反应得到了证实。
A new kinetic spectrophotometry method to determine chlorine in atmosphere was described. The method based on the reaction between chlorine and acidic KBr-methyl orange solution.
基于氯气可以使酸性溴化钾-甲基橙溶液褪色的反应,提出了一种使用动力学方法测量氯气含量的新方法;
It has been confirmed in practice that separating of gold from silver in acidic thiourea solution by means of decreasing the temperature of solution then crystallization is a very effective method.
经试验证明,用降温结晶法从酸性硫脲溶液分离金和银,乃是一种有效的方法。
The component data of pearl nickel, bright nickel, acidic copper and brass plating solution in production were analyzed when the best result of the plating deposit obtained.
为了获得电镀的最佳结果,在生产中对珍珠镍、光亮镍、酸性铜和黄铜四种镀液的成分参数进行了统计分析。
Considering interaction between acidic and alkaline compounds, three standard markers were added respectively and the volume of sample solution was doubled in recovery experiments.
考虑到酸性化合物和碱性化合物之间可能的相互作用,进行回收率实验时三个标准品被分别加入样品溶液中,并且将体积扩大了一倍。
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