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Geologically younger and natural fine_grained molybdenite samples seem not to show obvious Re and 187Os decoupling, and reproducible ages can be determined from some samples with merely 1～3 mg of aliquant.

地质年龄年轻的自然细颗粒样品的失耦现象不明显，使用1～3 mg样品就有可能取得准确且重现性好的结果。

The aliquot was determined and confirmed by gas chromatography-negative chemical ionization mass spectrometry using external standard method.

样品中三唑醇残留物由正己烷饱和的乙腈(含1%冰醋酸)提取，加入无水硫酸镁与无水醋酸钠振荡促使提取液分层后进行固相分散萃取净化，用气相色谱-负化学离子源质谱法进行测定与确证，外标法定量。

Mineralized matrix was determined by Alizarin Red S staining at 16 and 22 days after culture.

茜素红染色后显微镜下观察培养16，22 d 矿化结节形成。

The effects of the water dosage, pH value and alkalify mode in the preparation process on the photocatalytic activity of TiO2 were examined, and the optimum preparation conditions were also determined by orthogonal design.

制备过程中的加水量、pH值和加碱方式对TiO2光催化活性有影响，通过正交实验确定了TiO2的最优的制备条件。

Cell number, alkaline phosphatase activity, osteocalcin, and osteoprotegerin production were determined.

连续的EMD作用增强了分化的相关指标和骨保护素的含量，同时抑制了细胞增殖。

The technical conditions for recovering cyanide from agrochemical waste water by liquid-film method is studied,and the various surfactants and kerosm as oil phase and alkine liquid as liquid phase affecting the cyanide waste water treatment are tested.Therefore, the oPtimum process conditions are determined.

研究了液膜法回收农药废水中氰化物的工艺条件，考查了以不同表面活性剂、煤油等为油相组分，碱液作内相的乳状液，对连云港市第二农药厂合氰废水的处理效果，确定了最佳的工艺条件。

The contents of Riboncules acid, 5 -hydroxyptamine (5-HT), Cyclic adenosine monophosphate , Cyclic guanosine monophosphate in milk; and the activites of Alkine phosphatese , lactic dehydrogemase in serum were determined by Chromometry and radioimmunoassay.

采用比色法和放射性免疫法测定了西农莎能奶山羊乳中RNA，S-HT，CAMP，CGMP和血清中LDH，AKP的含量为：0.432，0.408，0.405，0.473，0.194，0.405。

High performance liquid chromatography was used to detect concentration of BP in the air of working sites and level of urinary 1-hydroxypyrene (1-OH-Py) of workers. Contents of acetylcholine in blood filtrate and activities of erythrocyte acetylcholinesterase were determined by Alky hydroxylamine chromatometry and DTNB methods, respectively.

用高效液相色谱法测定各组工作场所空气中BP的浓度，并对工人尿中1-羟基芘(1-OH-Py)的水平进行检测；分别用碱性羟胺比色法和二硫代二硝基苯甲酸法测定全血滤液中乙酰胆碱的含量和红细胞乙酰胆碱酯酶的活性。

Combining the performance evaluation (activity, selectivity and stability) and the characterization of the catalysts (XRD, TPD, FTIR and the pore structure measure), it can be concluded that :(1)The activity of modified β is higher than MCM-22, but the selectivity of ethylbenzene is lower about 3% than that of MCM-22;(2)The mounts of diethylbenzene and the other by-products are higher 1.7 times and 1.5 times than these of MCM-22 respectively;(3)The catalytic performance of zeolite mixture is nearly equal to modified β, but the selectivity of ethylbenzene is higher about 0.5% than that of modified β;(4)The catalytic activity of zeolite is mainly correlated with the number of acid sites, strength and distribution, and the distribution of products is determined by the binding energy of ethylbenzene and the pore structure, while the stability of catalyst is affected by the amount of poly-ring aromatic alkylate and the pore structure.

以性能评价和特性表征（XRD、TPD、FTIR和孔结构测定）相结合的方式，对上述三种催化剂性能比较的结果表明：（1）改性的活性明显高于MCM-22，但乙苯选择性却低于MCM-22绝对差约3%；（2）改性(上二乙苯和其他副产物的生成量分别约为MCM-22上对应值的1.7和1.5倍左右；（3）混合型催化剂的性能与改性相仿，但乙苯选择性提高0.5%左右；（4）对乙苯合成，沸石催化剂的活性主要取决于其B酸中心数、酸强度及酸分布，产物分布则取决于催化剂表面的乙苯脱附能垒值和孔道结构，而稠环芳烃的生成量和催化剂孔道结构是影响催化剂稳定性的主要因素。

Now I determined to step in myself and to allay her scruples with a portion of the truth.

这时，我决定亲自出马，说出一部分实话，消除她的顾虑。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！