查询词典 acid value

Environment-friendly bast fiber film is buried in the ground floor of different soil pH value to study degradation and changes in the type and quantity of micro-organisms, to explore environment-friendly bast fiber film degradation relevance between micro-organisms and soil pH value. There are three types of soil, for example, weak acid soil, neutral soil, weak alkaline, in which film is buried. It is to determinate of weight loss and changes of quantity of micro-organisms around.

为了探明麻地膜降解性能与土壤pH和土壤微生物的相关性，利用生石灰调节土壤pH，将土壤pH调节为弱酸性、中性、弱碱性3个不同的水平，将麻地膜埋入3种不同的土壤中，定期测定其失重率及其周围土壤微生物种类和数量的变化。

By Gladiolus life, enjoy the value, the value of water balance, the rate of change and the fresh weight of hydrogen peroxide activity measurement, the effect of different concentrations of boric acid on the Cut Flower of Gladiolus effect.

通过对唐菖蒲寿命、观赏值、水分平衡值、鲜重变化率及过氧化氢酶活性的测定，探讨了不同浓度的硼酸对唐菖蒲切花保鲜效果的影响。

Zanhuang gold date required by the human body contains protein, amino acid, phosphorus, calcium, iron, and other trace elements such as vitamin C, Mei Baike as high as 540 mg, is the apple, peach, etc. about 100 times, so people called it a "living Vitamin pills,"Fresh 20-36% sugar, dried jujube up to 60% more than the value of edible and medicinal value of the home Baiguo first non-spread" every day to eat three dates, but the old life "and" increase grain Jujube, Ganoderma lucidum increasingly grass "Minyan.

赞皇金丝大枣含有人体所需要的蛋白质、氨基酸、磷、钙、铁等微量元素如维生素C，每百克高达540毫克，是苹果、桃等的百倍左右，因而人们称它是"活维生素丸"，鲜枣含糖 20-36%，干枣高达60%以上，食用价值和药用价值居百果之首，民间流传有"每天吃三枣、终生不见老"和"五谷加大枣、胜似灵芝草"的民谚。

The preparing method adopts a mechanical commixing method that includes the process of preparing triethylic acid cellulose, adding metal oxide to solution, commixing, ball-milling, flow-spreading and filming and film processing; adopts an in-situ method that includes the process of preparing triethylic acid cellulose, preparing transition metal oxide latex, mixing, reacting, regulating pH value, flow-spreading and filming, and film processing.

所述的制备方法，采用机械共混法，其过程包括三醋酸纤维素溶液的制备、向溶液中添加金属氧化物、共混、球磨、流延成膜、膜处理；采用原位法，其过程包括三醋酸纤维素溶液的制备、过渡金属化合物乳液的制备、混合、反应、调节pH值、流延成膜、膜处理。

Mmol/L benzoic acid was used as eluent. The effect of benzoic acid concentration, pH value on the retention time was studied.

实验过程中，对流动相组成，流动相pH值变化对各种有机酸保留时间的影响作了详细的探讨。

Based on the natural gamma log curve s of acid tuff and clay rocks of acid volcanic events,the author here queries the arguments that radioactive intensity of sedimentary strata will grow with the increasing argillaceous materials and that the natural gamma value and the empirical equation can be used to calculate contents of argillaceous materials.

根据酸性凝灰岩和酸性火山事件粘土岩的自然伽马测井曲线，对当前流传的&沉积岩层的放射性强度随泥质含量的增加而增高&的概念和用自然伽马值及经验公式求泥质含量提出质凝。

According to nutritional evaluation in amino score and chemical score, the first limited amino acids were, the essential amino acid index was 69.02. The content of poyunsaturated fatty acid in fatty acids was 23.6%, which was higher than that in other economic fishes. It was indicated that Hemibarbus maculates Bleeker is one of freshwater fishes with better nutritive value.

氨基酸评分和化学评分均显示，花蟹蛋白质的第一限制性氨基酸为，必需氨基酸指数为69.02，脂肪酸中含有高比例(23.6%)的多不饱和脂肪酸，高于鲤科其它名优养殖鱼类。

Two is to Dali YangBi walnut of limited liability company technical work, play dotted treasure brand of walnut milk brand effect, expanding nut essence oil refining and defatted milk protein production scale of walnut, Three depend on modern biological technology, developing green health foods, such as the use of linoleic acid manufacturing walnut oil of health care and medical function with the yoke linoleic acid capsule and utilization of walnut protein production nutrition value higher protein peptide, etc.

二是继续做好大理漾濞核桃有限责任公司的技改工作，发挥&漾宝&牌核桃乳的品牌效应，扩大核桃精炼油和脱脂核桃蛋白乳的生产规模；三是依靠现代化生物技术，大力发展绿色保健食品，如利用核桃油中的亚油酸制造具有保健和医疗功能的轭亚油酸胶囊和利用核桃蛋白生产营养保健价值更高的蛋白肽等。

First, there are not an accurate density and specific rotation and relative e.e. value of 2-chloropropionic acid. No one has proved that 2-chloropropionic acid can be directly separated by using chiral stationary phase.

首先，由于现有文献和试剂手册中对2-氯丙酸的旋光和光学纯度的对映关系没有一个明确的标准，而且也未有任何研究证明2-氯丙酸可以在现有的一些常用手性固定相上进行直接拆分。

The main research work of this dissertation is as follows: Based on the chemical reaction engineering theory and the nitrobenzene electroreduction mechanism, the plate and frame electrolyzer was designed and applied to the process of electroreduction nitrobenzene to p-aminophenol. This dissertation measured the residence time distribution data of the electrolyzer by means of the pulse response method and studied the rule of flow pattern along with the current capacity change. Under different conditions ,this dissertation studied the cyclic voltammetry properties of nitrobenzene on different electrodes by means of the dynamic cyclic voltammetry method and the electrode materials applied to the NB electroreduction have been selected primarily.Baseed on the results of cyclic voltammetry tests, this dissertation used p-electrode systems to measure the steady-state- polarization curves of nitrobenzene on different electrodes in H-type diaphragm cell, and obtained each primary factor s influence rule and the exchange current density value of each electrode.And then on the basis of the conclusions of fundamental researchs upword, the effects of influence factors on the the yield of p-aminophenol and the current efficiency,such as electrode material, current density, quantity of electricity circulated, nitrobenzene concentration . sulpuric acid concentration and so on, have been studied in detail in the systems of hign temperature , strong acidity and oxygen-poorthrough a series of electrolysis experiments in this paper.After all using Pb as anode Monel metal as cathode Dupont Nafion 417 cation-exchange membrane as membrane, this dissertation obtained the optimum technological condition: reaction temperature about 85C, current density 500A m-2, sulphuric acid concentration 20%wt.

论文的主要研究工作为：运用化学反应工程理论，结合硝基苯的电还原机理，设计出用于硝基苯直接电还原合成对氨基苯酚实验的板框式电解槽，并利用脉冲响应法测定了该板框式电解槽的停留时间分布数据，研究了流型随流量变化的规律；通过动态循环伏安法研究了硝基苯在不同电极上、不同条件下的循环伏安特性，初步评选出了用于硝基苯电还原的电极材料；结合循环伏安的测定结果，在H型隔膜电解槽中采用三电极体系测定了硝基苯在不同电极上、不同条件下的稳态极化曲线，得到了各主要因素的影响规律及硝基苯在各个电极上电还原的交换电流密度数值；在基础研究结论指导下，采用板框式电解槽，在高温、强酸、贫氧系统中，进行了一系列的电解实验，分别考察了电极材料、电流密度、通电量、硝基苯浓度、硫酸浓度等因素对收率及电流效率的影响，最终选择以蒙乃尔合金电极作为阴极、铅合金为阳极、Dupont Nofion 417阳离子交换膜为隔膜，得到由硝基苯直接电还原制对氨基苯酚的最佳电解工艺条件：反应温度85℃，电流密度500A·m~(-2)，硫酸浓度20％wt。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。