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Under the same concentration, tadalafil induce higher ratio of relation responses in the smooth muscles of CRF rabbit cavernosal strips, compared with papaverine and sodium nitroprussiate, with most significant difference occurring under the concentration indicators of 10-5 mol/L and 10-4 mol/L (P.01). Conclusions The effects of tadalafil on relaxation responses in CRF rabbit cavernosal strips highly depend on its concentration. The effect of tadalafil on relaxation responses in CRF rabbit cavernosal strips is better than that of papaverine and sodium nitroprussiate. Tadalafil may be an effective drug for treating CRF reduced erection dysfunction.

同一浓度下，他达拉非对慢性肾功能衰竭兔阴茎海绵体平滑肌舒张百分比与罂粟碱、硝普钠相比较，舒张百分比均大于罂粟碱和硝普钠，且在10~(-5)mol/L、10~(-4)mol/L浓度，他达拉非对慢性肾功能衰竭兔阴茎海绵体平滑肌舒张百分比，与罂粟碱、硝普钠相比较有显著性差异(P＜0.01)结论他达拉非对慢性肾功能衰竭兔阴茎海绵体平滑肌舒张反应的影响具有浓度依赖性，他达拉非对慢性肾功能衰竭兔阴茎海绵体平滑肌舒张反应的影响优于罂粟碱及硝普钠，他达拉非可能是治疗慢性肾功能衰竭性阴茎勃起功能障碍的理想药物。

Microwave-assisted ring-opening polymerizations of DTC were carried successfully with lanthanum chloride (LaCl3) and stannous octoate Sn(Oct2 ascatalyst and the highest weight average molar mass of the obtained PDTC were 66800g/mol and 14600g/mol, respectively.

分别在氯化镧和异辛酸亚锡的催化下，DTC的微波开环聚合反应可以顺利地进行，所得PDTC的重均分子量分别达到66800g／mol和14600g／mol，二者比较而言，氯化镧的催化活性更高。

Experiment shows that for coated wire calcium ion-selective electrodes with copper matrix,there is a linear dependence of the electrode potential on logarithm calcium ion activities over a range of 10'(-1)-2x10~(-5) mol/L,the limit of detection is 8x10~(-6) mol/L,the electrode pote...

结果表明，铜基涂丝钙离子选择电极线性范围为10~(-1)-2×10~(-5) mol/LCa~(2+)，检测极限达8×10~(-6) mol/L，斜率为30±2mV，适用 pH 范围为4。 5-11。 0，响应时间少于15s，内阻低，选择性和稳定性好，使用寿命一般为三个月左右，并成功的用于水质分析及钙离子的有关络合物稳定常数的测定。

METHODS: Rhesus monkey BMSCs were isolated and cultured by conventional density gradient centrifugation. BMSCs in the induction group were treated with L-DMEM containing FGF2, B27 and fetal bovine serum for preinduction of 24 hours, and then with DMEM supplemented with 0.5 μmol/L retinoic acid or 400 μmol/L SHH for 8 days.

常规密度梯度离心法分离培养恒河猴骨髓间质干细胞，诱导组加入含FGF2、B27、胎牛血清的L-DMEM预诱导24 h撤离血清后，分别加入含0.5 μmol/L维甲酸或400 μmol/L音猬因子的DMEM诱导8 d，以未诱导的细胞作为对照组。

The floatation rate of Pd (superscript 2+) reaches 100% when the concentrations of NaNO3, KBr and cetyl pyridinium bromide in solution are 0.05 g/mL, 3.0×10^(-2) mol/L, 5.0×10^(-4) mol/L(pH 4.0), respectively. Pd (superscript 2+) could be separated from Ru (superscript 3+), Al (superscript 3+), Cr (superscript 3+), Ni (superscript 2+), Ga (superscript 3+), Fe (superscript 3+) and Zn (superscript 2+) by floatation quantiatively. A method of flotation separation and enrichment of Pd (superscript 2+) was established.

当溶液中硝酸钠、溴化钾、溴化十六烷基吡啶的浓度分别为0.05 g/mL，3.0×10^(-2)mol/L，5.0×10^(-4)mol/L，在pH 4.0时，Pd(上标 2+)的浮选率达到100%，Pd(上标 2+)可与Ru(上标 3+)，Al(上标 3+)，Cr(上标 3+)，Ni(上标 2+)，Ga(上标 3+)，Fe(上标 3+)，Zn(上标 2+)定量分离，据此建立了浮选分离和富集Pd(上标 2+)的新方法。

After one year and a half commercial operation, the operation is stable and the load is over 100%. The PDEB content in C8A side cut is less than 10×10^(-6) mol/mol or even less, and the product purity and recovery can be kept high, which all indicate that the revamping of the raffinate column can meet the requirement of actual production.

抽余液塔改造后经过一年半工业实际运行，负荷一直在100%以上，工况运行平稳，侧线C8A中的PDEB含量保持在小于＜10×10^(-6)mol/mol或更低的好水平，产品纯度和回收率高，表明抽余液塔的改造能完全满足实际生产需要。

The raffinate column in the eluxyl unit of an aromatics complex is the key fractionator to separate C8 aromatics from para-diethyl benzene. PDEB is expensive and only if the PDEB content in C8 aromatics side cut is less than 25×10^(-6) mol/mol, the operation cost could be lowered effectively.

对二甲苯装置吸附分离单元的抽余液塔是分离碳八芳烃(C8A)和对二乙苯的关键精馏塔，PDEB价格昂贵，在侧线C8A中的含量要求小于25×10^(-6)mol/mol才能有效降低装置操作成本。

Their hearts were cannulated via aorta and mounted on a Langendorff apparatus and perfused retrogradely. Single midmyocardial cells were isolated enzymatically from rabbit left free wall, I were recorded by using patch clamp techniques in the whole cell configuration before and after perfusiong of 10^(-6)mol/L and 10^(-5)mol/L ibutilide solution 10^(-6 group and 10^(-5) group.

新西兰纯种大耳白兔60只，取其心脏行Langendorff灌流，以酶解法分离出单个左心室中层心肌细胞，以10^(-6)mol/L（10^(-6)组）及10^(-5)mol/L（10^(-5)组）伊布利特外液灌流正常左室前壁中层细胞，以膜片钳技术记录I的活性，并与正常对照组进行比较。

The optimal reaction conditions were as follows:chloroform was used as the reaction solvent,3,5-propionyl acid 0.02 mol,sulphoxide diloride 0.054 mol,the reaction temperature 50℃ and the reaction time 5 h. Under these conditions,the yield of product was 98.9%.

对酰氯合成条件进行了研究，得出优惠反应条件为：以氯仿作溶剂、β-（3，5-二叔丁基-4-羟基苯基）丙酸0.02 mol、二氯亚砜0.054 mol、反应温度50℃、反应时间5 h，优惠条件下产品的收率为98.9％。

The standard enthalpy value of the reaction was calculated:△H=-39.530kJ/mol. The standard enthalpy of formation for zinc phosphate tetrahydrate are recommended -4354.004kJ/mol.

计算出该固相反应的反应焓为-39.530kJ/mol，同时得到纳米四水磷酸锌的标准摩尔生成焓，推荐其值为-4354.004kJ/mol。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。