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The optimal conditions were found as follows: reaction temperature 90℃, reaction time 50 min, the molar ratio of catalyst to diethyl adipate 1.1:1, providing 99.5% yield.

结果表明，各试验因素的影响效能为反应温度（反应时间（催化剂用量；最佳合成条件为反应温度90℃，反应时间50 min，催化剂与原料的摩尔比为1.1：1，在此条件下，常压合成目标物的产率可以达到99.5%。

If for any uv∈E, C_u≠C_v, then we callσis a k-adjacent vertex distinguishing incidence coloring of G andχ_=min{k| there exists a k- adjacent vertex distinguishing incidence coloring of G} is the adjacent vertex distinguishing incidence chromatic number of G.

若对任意uv∈E满足C_u≠C_v，则称σ为G的k-邻点可区别关联着色，并称X_=min{k|存在G的k-邻点可区别关联着色}为G的邻点可区别关联色数。

The invasion of drilling fluid is the main cause to the damage of fractured formation. The composite salt free-gel drilling fluid is got after analyzing the influence of different kinds of such soluble adulterant as organic salt and non organic salt on the performance of the solid-free drilling fluid and studying the condition to develop the free gel structure and the method to improve the fluid's high temperature stability and inhibitive property. The experiment shows that the apparent viscosity of this system is as high as 27000 mPas when the share rate is 0.3 r/min and the high temperature reaches at the stable level of 150℃ and the HTHP filtrate loss decreases to 15 ml at 150℃.

钻井液侵入是裂缝性储层损害的主要因素之一，实验分析了无机盐、有机盐等不同类型水溶性加重剂对无固相钻井液性能的影响，研究了无固相钻井液快速弱凝胶特性形成条件以及高温稳定性和抑制能力的提高方法，研制出的无固相复合盐弱凝胶功能性钻井液高温稳定性达到150℃，具有独特的流变性（0.3r/min黏度达到27000 mPas）和优良的抑制能力（150℃HTHP滤失量小于15 mL），成本远低于甲酸盐钻井完井液。

I think of the site as a combination of professionalism and amateurism, Mr Min said

Mr Min认为OhmyNews的网站是专业与业余的结合，并分析它会如此受欢迎的

The K m and V max values of the amidase for acrylamide were 2.64 mmol·L-1 and 0.6 μmol·min-1·ml-1, respectively.

以丙烯酰胺为底物时，该酶的 K m和 V max值分别为2.64 mmol·L-1和0.6 μmol·min-1·ml-1。

Resultsthe best blanching time of cleaned angeleno was 4 min with 0.06 % vitamin c to stabilize color before extraction; the optimum parameters of enzyme treatment was as follows: dealing angeleno with 0.10 % pectinase at ph 4.0 and 50℃ for 4 h.

结果确定最佳热烫时间为4 min、维生素c添加量0.06 %；最佳酶处理条件：酶用量0.10 %，酶作用时间4 h，50 ℃，ph4.0；加2倍水榨汁，出汁率80.3 %。

During the experiment, the circular grating with 1200 grating lines was adopted, and the precision of the twist angle (less than 0.001°) was acquired while the rotational speed of the principal axis is within the range of 0～1500r/min.

实验中，测量系统采用1200条刻线的圆光栅，在主轴转速为0～1500r/min的范围内测量其扭矩，扭转角精度小于0.001°。

The results showed that:①The optimum fermentation conditions of Monascus anka 5040 were 170 r/min table rotational speed, 32℃ temperature, pH5.4 and 90 mL/L load.

结果表明：①红曲霉菌5040发酵的最佳工艺条件为摇床转速170r/min，温度32℃，pH 5.4，接种量90 mL/L。

Under the conditions of stir speeds 400 r·min~(-1) and distance between anode and cathode 1 mm, by using the orthogonal design, the optimum technological conditions were found that the current density was 0.3 A·cm~(-2), initial NaOH concentration in catholyte was 50 g·L~(-1), reaction times of two steps were all theoretical electrochemical reaction times. In the first electrosynthesis, initial Na_2CrO_4 concentration in anolyte was 650 g·L~(-1), and reaction temperature was 80℃. In the second electrosynthesis, initial Na_2Cr_2O_7 concentration in anolyte was 700 g·L~(-1), and reaction temperature was 85℃.

324全氟磺酸增强复合阳离子交换膜、阴阳极液中搅拌速度均为400r·min~(-1)条件下，通过正交实验得到优化工艺条件为：电流密度0.3A·cm~(-2)，阴极液氢氧化钠初始浓度50g·L~(-1)，两步反应时间均为理论电催化反应时间，第一步阳极液铬酸钠初始浓度650g·L~(-1)，反应温度80℃，第二步阳极液重铬酸钠初始浓度700g·L~(-1)，反应温度85℃。

The ultrasonic-assisted solvent extraction and quantitative analysis of the oxine-copper residues in soil with ion pair of antiphase HPLC was established. This methods mainly uses XBridge C5 column and UV detector by using waters phase of phosphatic buffered solution/acetonitrile (60:40, by vol) as mobile phase with 0.8 mL/min flow ratio and UV detection at 245 nm. The residue time was 4.72 minute. The linear correlation of this method was 0.9987. The recovery rate was 76.2 to 108.7%. Comparatively standard deviation was 0.6 to 3.37%. The detection limits of method was 0.05 mg/kg.

建立了土壤中喹啉铜的超声波辅助溶剂提取－反相离子对高效液相色谱法的残留分析方法，该方法使用XBridge C18色谱柱和可变波长紫外检测器，并以水相磷酸盐缓冲体系－乙腈（体积比60：40）作流动相；流速为0.8mL/min；检测波长为245nm；保留时间为4.72min；线性相关系数为0.9987，回收率在76.2%~108.7%之间，相对标准偏差在0.6%~3.37%之间，对土壤的最低检出限为0.05mg/kg。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐