最佳

The results indicate that the optimized sulfonylation reaction time is 4 h, the materiel rate of chlorosulfonic acid and 2-chloroimidazo[1,2-α]pyridine is 1.2 : 1, with ethylamine the yield increasing from 15.4% to above 70%; the optimized ammonolysis reaction time is 3 h and the reaction temperature is 27℃, with the acetonitrile yield increasing from 60.1% to above 79.6%.

实验结果表明，磺酰化反应的最佳反应时间为4 h，氯磺酸与2-氯咪唑并[1，-α]吡啶的用量比为1.2：1，加入三乙胺可将收率由15.4%提高到70%以上；氨解反应的最佳反应时间为3 h，反应温度为27 ℃，加入乙腈可将收率由60.1%提高到79.6%；方案经改进后，总反应时间缩短3 h，收率提高了5.5%。

Methods The total proteins of untreated and INH-treated mc^2 155 cells were separated by ampholyte pH gradient-based two-dimensional gel electrophoresis (2-DE). Tire differential expression proteins were analyzed by using image analysis software. Results Proteins of control group arid INH-treated group contained 159 and 221 protein spots, respectively.

观察不同浓度的异烟肼处理前后耻垢分枝杆菌生长曲线，确定药物处理SM细胞的最佳时间和浓度，并提取在最佳处理时间和浓度条件下的SM细胞总蛋白，采用载体两性电解质pH梯度双向凝胶电泳技术分离异烟肼处理前后耻垢分枝杆菌mc^2 155细胞的总蛋白质，用PDuest 7.3.1图像分析软件比较分析，以识别差异表达的蛋白质。

Anchor rod depth and space on different rock side slope of different gradient, based on the anchor rod

摘要围绕岩石边坡生态恢复技术，通过对锚杆受力情况的研究分析，确定了在不同岩石类型以及不同坡比的坡面上，其锚杆的最佳锚固深度和最佳锚固间距。

objectiveto optimize the extraction process of total flavonoids in anchusa italica retiz.methodsthe content of total flavonoids was determined by uv spectrophotometer.the influence of each factor was measured by orthogonal experiments.

目的研究维吾尔药牛舌草中总黄酮的最佳提取工艺。方法采用正交实验确定各因素的影响大小，确定维吾尔药牛舌草中总黄酮的最佳提取条件，通过紫外分光光度法测定总黄酮含量。

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 %。

The building rules of GLCM （ the best gray levels and pixels interval） were confirmed by experiment. GLCM texture parameters of 300 wood specimens were calculated and assayed, and then placed into a Competitive Neural Network for classification output. The results are as follows: 1） GLCM parameters Angular Second Moment contrast , correlation , entr

以"角二阶矩"、"对比度"、"相关"、"熵"、"方差"、"逆差矩"作为描述木材纹理的特征参数是合适的。2）在比例为1：1的512×512木材图像情况下，生成灰度共生矩阵的最佳像素间距为4，最佳图像灰度级数为128.3）木材纹理图像灰度共生矩阵的"角二阶矩"、"相关"和"熵"值最大的方向为纹理方向。4）竞争神经网络的分类正确率为88％。

On the analysis and comparison of different types of membranes, select the best membrane aperture and material.

对不同种膜进行分析比较，选择了最佳孔径和最佳材料的分离膜。

An optimum spatial filter is implemented on a cylindrical array based on the mathematical expression.

根据最佳空间滤波器的数学表述，在圆柱型基阵上实现了最佳空间滤波器。

The structrual characterizations of symmetric arrowhead matrices are discussed and the general expressions of solutions are obtained.

并且还讨论了相应的最佳逼近问题，给出了最佳逼近解的表达式及求解的数值算法和算例。

The result demonstrates accent of true and false in 34 AD 34, inside diaphragm 27, the haematoma inside the wall interlining of model of 7;27 exemple is three-dimensional into resemble all showing clear crevasse, crevasse of aorta bend ministry with arrowy shape show optimal, fall aorta crevasse shows with position of axle and coronal shape optimal, VRT shows pathological changes whole journey is clearer, but reach to crevasse inside the indication of diaphragm reachs position of axle as MIP, MPR.

结果34例AD中显示真假腔34例，内膜片27例，壁内血肿7例；27例典型夹层三维成像均显示明确破口，主动脉弓部破口以矢状位显示最佳，降主动脉破口以轴位及冠状显示最佳，VRT显示病变全程较清楚，但对破口及内膜片的显示不如MIP、MPR及轴位。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。