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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。

A higher yield(about 80%) can be obtained when 0.20-0.25 mol/1 of TUPMA is refluxed in 0.5 mol/l of NaOH solution at 75℃for 8h.

该产物的熔点为165.3℃，MS、~1HNMR和IR综合分析的结果确认，该产物的结构是4-二(1，2，4-三唑-5-硫酮基)-1，5-苯二甲酸。

Methods This study contained a total of 16 culture groups, including one group as control and 5 groups treated by 5 drugs (calcium L-threonate, sodium L-threonate, alendronate, 17β-estradiol and calcium gluconate) each at the final concentrations of 10^(-9)mol/L, 10^(-7)mol/L, 10^(-5)mo1/L respectively. After 7 days, eight bone slices of every group were stained with toluidine blue and the areas of resorptive pits were analyzed under light microscope; the concentrations of C-telopeptide of type Ⅰ collagen CT(subscript x or Crosslaps in culture supernatants were measured by ELISA.

制备骨磨片，培养OC，并分别加入高中低浓度10^(-5、10^(-7)、10^(-9)mol/L的L-苏糖酸钙、L-苏糖酸钠、阿仑麟酸钠、17β-雌二醇、葡萄糖酸钙，实验设以上各浓度组及对照组（共16组，每组n=8），甲苯胺蓝染色一光镜观察分析骨片上骨吸收陷窝面积，ELISA测定上清液Ⅰ型胶原C-末端肽（CTx或Crosslaps）浓度。

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。

Stems of Ipomoea batatasLam in vitro were cultured on MS rhizogenic base medium. ifferent combinations of CO2 concentration and photosynthetic photo flux density in microenvironment were controlled and recorded by special system. The plantlets getting the highest net photosynthetic rate were treated by the combination of (Ci=8 720 μmol mol-1,PPFD=250 μ mol m-2 s-1). Then, the plantlets had been further cultured for 21 d in such microenvironment.

以新兴蔬菜叶用甘薯组织培养苗的茎节段作为外植体，用MS低糖、无激素培养基进行生根培养，设置不同的CO2浓度和光合光量子通量密度对组培植株进行环境调控处理，获得小植株净光合速率最高的处理组合=8 720 μmol mol-1， 250 μmol m-2 s-1），并在此组合下继续培养21 d。

Butyl p-hydroxybenzoate was synthesized from p-hydroxybenzoic acid and butanol with sulfoacid resin as catalyst. The optimum conditions were as follow: ratio of n-butanol, p-hydroxybenzoic acid and sulfonic acid resin was 0.25 mol ∶ 0.05 mol ∶ 1.5 g, refluxing for 5 h using water separator at the reflow reaction temperature.

摘 要：以对羟基苯甲酸和丁醇为原料，用磺酸树脂作催化剂，催化合成了尼泊金丁酯，优化反应条件为：n∶ n=5 ∶ 1，催化剂磺酸树脂的用量为对羟基苯甲酸质量的21%，反应温度为回流温度，反应时间为5 h。

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％。

On the normotensive rat, bilateral microinjection of L-arginine (16 n mol/0.1 ul/site), a precursor of nitric oxide into the rVLM, caused a decrease in BP, HR and the pressor response induced by the dPAG stimulation, while microinjection of NG-methyl-Larginine (L-NMMA, 16 n mol/0.1 ul/site), a blockade for NO to form, into the rVLM bilaterally, caused an increase in BP, HR and the pressor response induced by the dPAG stimulation. There was no effect of both drugs mentioned above on the tachycardiac response induced by the dPAG stimulation.

五、在正常血压大鼠，于双侧rVLM微量注射一氧化氮前体(16nmol/0.1μl/site)可引起BP降低、HR减慢、以及电刺激dPAG诱发的防御性升压反应减弱；而于同区微量注射生成一氧化氮的拮抗剂N〓-甲基-L-精氨酸(16nmol/0.1μl/site)则可引起BP升高、HR加快、以及电刺激dPAG诱发的防御性升压反应增强；而上述两药对电刺激dPAG诱发的防御性加快心率反应均无明显作用。

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。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。