查询词典 preparation period

Company's chemical bulk drugs mainly include the aspirin, the acetanilid, the Geleg kui alkone and so on, yearly produces ten thousand tons, in 2007 sales revenue 26,697,200 Yuan; Preparation product including 178 many kinds, annual output 1,700,000,000 pieces, in 2007 sales revenue 94,806,200 Yuan, the most main preparation product for the senate qi piece, in 2007 the sales revenue is 56,364,700 Yuan, business profit margin 79.62%.

公司的化工原料药主要包括阿斯匹林、退热冰、格列喹酮等，年产万余吨，2007年销售收入2669.72万元；制剂产品包括178多种，年产量17亿片，2007年销售收入9480.62万元，其中最主要的制剂产品为参芪片，2007年销售收入为5636.47万元，营业利润率79.62%。

Preparation of Acetanilide micro experimental conditions to explore, determine acetanilide best conditions for preparation of micro-experiment.

对乙酰苯胺制备的微型实验条件进行探讨，确定乙酰苯胺制备微型实验的最佳条件。

The effects of the water dosage, pH value and alkalify mode in the preparation process on the photocatalytic activity of TiO2 were examined, and the optimum preparation conditions were also determined by orthogonal design.

制备过程中的加水量、pH值和加碱方式对TiO2光催化活性有影响，通过正交实验确定了TiO2的最优的制备条件。

Procedure— Using a dry syringe, quickly inject the Test Preparation, accurately measured and estimated to contain 0.5 to 5 mg of water, or as recommended by the instrument manufacturer into the anolyte, mix, and perform the coulometric titration to the electrometric endpoint. Read the water content of the Test Preparation directly from the instrument's display, and calculate the percentage that is present in the substance.

规程---使用一个干燥的注射器，快速注入测试样本，准确测量并估计大约含有0.5~5mg水，或者按照仪器制造商的推荐至阳极液中，混匀，采用库仑滴定法滴定至电量终点，直接从仪器显示处读取测试样本的水的含量，计算样品中存在的水的百分含量。

The effects, of protection and treatment with, combined Ch, NaF and a trophie were significantly better than that with atropine alone. In isolated phrenic nerve-diaphragm preparation of rat, isolated jejuneal preparation of, guinea pig, and the metabolic experiment of rat liver, the results of the, assay on the rat blood ChE activity indicated that antidotal effect of NaF may be due to the antidese...

大鼠离体膈神经膈肌、豚鼠离体空肠和大鼠肝脏代谢实验及对大鼠全血胆碱酯酶活力测定的结果表明，NaF的抗毒作用可能是由于其对神经肌肉接头和/或神经节中的N受体的抗脱敏作用；而Ch则可能通过其对ChE的保护和/或加速被抑制ChE的复能，阻碍Ach到达M受体部位而发挥作用。

In order to realize the solvent-free preparation and to reduce the reaction time,the preparation of barium carbonate by solid state reaction at low heating temperatures under supersonic airstream was studied.

为了实现无溶剂制备及缩短反应时间，研究了在超音速气流下低热固相反应制备碳酸钡。

The invention of this technology is pioneer in China, leader in the world, filing the blank in the gas treatment of coal preparation plants in China; 2. Effectively treat the amassing of gas in the bunker in the coal preparation; 3. It can substitute the commonly used axial fans, which can bring in the considerable economic benefit and social benefit.

其技术特点：1、该技术的发明属于国内首创，国际领先，填补了我国选煤厂瓦斯治理的空白；2、有效的治理选煤厂煤仓瓦斯积聚问题；3、以其取代常用的轴流式通风机，所带来的经济效益相当可观。

Preparation of water-borne polyurethane dispersion modified by epoxy resin;2. Preparation and Application of water-borne curing agent from cashew nut shell liquid;3. Synthesis and performance study of water-borne photosensitive PU acrylate PUA

以甲苯二异氰酸酯、聚丙二醇醚(PPG 2 2 0 )和二羟甲基丙酸为原料制备了阴离子型水性PU 乳液，研究了DMPA用量、n /n值、交联剂TMP用量对水性PU 乳液与涂膜性能的影响，得出了制备阴离子型水性PU 的最佳配

Methods: red sage root,astragalus root,white peony root,corydalis tuber,fevervine herb,dahongpao,chinese gall,cinnamon bark in this preparation were identified by tlc;the content of paeoniflorin in this preparation were determined by hplc, agilent zorbax sb 4.6×150 mm,rp-18e（ 5μm） was used. the mobile phase consisted of acetonitril-water ( 15:85 ), the velocity of flow was 1.00 ml.min-1.the detection wavelength was 230 nm.

采用tlc法鉴别处方中丹参、黄芪、白芍、延胡索、鸡屎藤、大红袍、五倍子、肉桂等药材；采用hplc法测定处方芍药苷含量，agilent zorbax sb 4.6×150 mm，rp-18e（ 5 μm ）色谱柱，流动相为乙腈-水（ 15∶85 ），流速1.00 ml.min-1，检测波长230 nm。

First, a chlorinator was self-designed in this paper, and dichloride of 2-methyl-1-propene was synthesized by 2-methyl-1-propene reacted with chlorine fast in this reactor. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the yield and selectivity of dichloride of 2-methyl-1-prop-ene were more than 65% and 80% respectively. Second, the preparation of 2-methylene-1, 3-propanediol, which dichloride of 2-methyl-1-propene reacted with alkali was investigated. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the conversion of dichloride of 2-methyl-1-propene was 100%. Moreover the preparation of MPO, which 2-methylene-1, 3-propanediol reacted with hydrogen, in presence of Al_2O_3-Pd catalyst, was gotten, and the product was appraised.

本文在氯化反应过程中，自行设计制作出了氯化管式反应器，在该反应器中异丁烯和氯气迅速混合反应生成二氯异丁烯，根据该氯化反应特征利用正交试验和单因素试验考察了有关因素的影响并优化得到了最佳工艺条件，二氯异丁烯的总收率达65％以上，选择性达80％；接着，对二氯异丁烯进行水解反应制得了2-甲烯-1，3-丙二醇，讨论了相关因素对水解反应的影响，并通过正交试验和单因素试验得到了较佳工艺条件，二氯异丁烯的转化率达100％；同时还对制备的2-甲烯-1，3-丙二醇在常压下采用三氧化二铝负载钯催化剂催化加氢得目的产物MPO，并对产品进行了鉴定，从而打通了整个工艺路线。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。