比及

The explanation for this is that ethylene oligomerized in the Ni catalyst active site and the oligomers containing vinyl end group served as comonomers to in situ copolymerize with the growing polyethylene chain in the active site of titanium catalyst.

催化剂的摩尔比、Al/摩尔比和聚合温度等聚合条件对催化活性及聚合物的结构与性能有明显影响。

Mefthods: The serum concentrations of penicillin V potassium were determined by microbiological assay in 10 healthy male volun-teers after an oral dose of 1500 mg penicillin V potassium in crossways. Data of serum leveltime were processed with 3P87 software.

以美国进口的青霉素V钾片为标准参比制剂，研究洛阳春都制药公司研制的青霉素v钾颗粒剂相对生物利用度。10名健康受试者随机交叉口服青霉素v钾被试及参比制剂各1500mg后，采用微生物法测定不同时间血清中药物浓度，用3P87软件经微机处理药-时数据。

Research results indicate that continuous Regional Identification Function is used in nodal virtual flux method, volumn integral and surface integral enhances the convergence and stabilization;using 'put a big number' to deal with the first boundary is faster than 'Remove row and column', the more the first boundary nodes are the more obvious advantage will display;PCG method is quite faster than Crout method to solve equations;it is reliable to use three-dimensional finite element simulation theories to simulate and predict deep foundation pit dewatering in such areas.

研究结果表明，在结点虚流量法及计算体积分和面积分时引入连续的区域识别函数增强了解的收敛性和稳定性；处理已知水头边界的&置大数&法在时间上要比&去行去列&法短一些，定水头边界节点越多，其优越性表现越明显；PCG法比直接解法快很多；三维有限元数值模拟理论用于模拟预测此类地区的深基坑降水具有较高的可信度。

When analyzing wrinkling and fracture, it is found that the results of the simulation have a better consistency with the results of simulation using real drawhead than using equivalent drawbead of Dynaform. Furthermore, compared with simulation using real drawbead, simulation using equivalent drawbead spends less time on both computation and modeling.

在模拟软件Dynaform中，将建立的拉延筋阻力计算模型作为等效拉延筋使用，模拟分析了表盘座某部件的成形，在分析起皱、破裂等成形问题时，比使用Dynaform自带等效拉延筋更接近使用真实拉延筋模拟的结果，而且，比使用真实拉延筋模拟节省了计算时间及建模时间。

The results showed that there were prominently positive correlations between rates radioactivity of SOD and POD and a good minus correlation between rates radioactivity of SOD and PPO. With irradiated by 60Co-γ ray of 10GY, rates radioactivity of SOD and POD were highest, and rate radioactivity of PPO was secondary, and rate radioactivity of CAT and the content of malondialdehyde were eighthly.

结果表明，SOD酶活力与POD酶活力之间呈显著正相关R=0.656(上标*，SOD比活力与PPO酶活力、PPO比活力之间呈极显著负相关R=-0.716(上标*， R=-0.714；SOD酶活力、POD酶活力以10GY辐射处理值最高，10GY辐射处理的PPO酶活力居第2，丙二醛含量及CAT酶活力居第8。

To analyze results through statistical methods, and possess significant difference when P.05(a=0.05). To observe that effect of volume of distilled water on synthesis of hemihydrated gypsum is bigger, and the effect better when distilled water: raw materials as 150ml:100g; whereas effect of Calcium Chloride and sodium Succinate smaller, and the effect better when Calcium Chloride: dehydrated gypsum as 1:2, sodium Succinate as 0.75%.

采用统计学方法进行分析，P＜0.05时具显著性差异(a=0.05)结果：在试验中观察到蒸馏水量对半水石膏合成影响较大，当蒸馏水与原料比为150ml：100g时效果较好；而氯化钙及丁二酸钠影响较小，当氯化钙与二水硫酸钙质量比为1：2，丁二酸钠为0.75％时效果较好。

Besides, the modeling thought of recently updated hypoplastic models is briefly introduced based on the study of the relation between void ratio and mean pressure and the relation between void ratio and volumetric strain of granular soil.

在对散粒型上体孔隙比与平均压力及孔隙比与体积应变关系分析研究的基础上，扼要介绍了新近发展的亚塑性模型的重要的建模改进思想。

Based on the analysis and comparison of various methods of mensuration of effective ingredients of indigowoad root,phenol-vitriolic colorimetry has been choosen to be the method of mensuration of amylose in indigowoad root, and standard amylose graph has been made,in which c=22.476A+0.5309, correlation rate r=0.9970; Direct colorimetry has been choosen to be the method of mensuration of indigotin and Indirubin,and based on all above,the maximal absorb wavelenghes of indigotin and Indirubin have been determined through experiment.

在分析比较各种板蓝根有效成分测定方法的基础上，选用苯酚-硫酸比色法作为板蓝根多糖的定量测定方法，作山了多糖的标准曲线：c=22.476A+0.5309，其相关系数r=0.9970；选择直接比色测定法作为靛蓝、靛玉红的测定方法，并在此基础上通过试验确定了靛蓝、靛玉红的最大吸收波长及显色稳定性。

As the temperature increased, the consistency coefficient of rice starch paste decreased and flow behavior index were inclined to invariableness. As concentration decreased, consistency coefficient of rice starch paste decreased and flow behavior index increased slightly.

天然淀粉在二甲亚砜稀溶液中的特征粘度比相同品种大米直链淀粉的特征粘度大，天然淀粉的特征粘度与直链淀粉及支链淀粉的平均分子量、摩尔比之间呈较好的指数模型。

The results indicate that polyborazine precursor prepared at 150℃ for 10 h and propylamine/isopropylamine molar ratio 2:1, could possess nearly linear molecule skeleton and he prone to melt spinnability. When melt at 90℃, the precursor fibers are prepared with average diameter 10-20μm and BC1.27 N1.52 H structure. After curing process and sintered in NH3 at 1200℃, the near-stoichiometric BN fibers was obtained, which proved this precursor is apt for preparation of BN fibers.

结果表明，当正丙胺／异丙胺摩尔比为2：1，聚合温度为150℃，反应时间为10h时，合成产物具有近似线性分子结构，熔点为90℃，具有良好的成丝性，可获得平均直径10~20μm，组成为BC1.27N1.52H的先驱体纤维，先驱体纤维再经不熔化处理及1200℃氨气高温锻烧等工艺可获得近化学计量比的氮化硼纤维。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。