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The results showed that different concentrations of cadmium ions affect differently the growth and activity of the bacteria.

研究表明：不同浓度的镉离子对细菌的生长和活性起不同的作用。

The steam moisture was determined indirectly by determination of caesium concentrations in the recirculated water and feedwater in steam generator by the graphite furnace atomic absorption spectrometry.

石墨炉原子吸收光谱法可以准确测定0.1μg/L至1mg/L浓度的铯，样品中可能存在的一些物质对测定没有干扰。

Methods:the quantitative ultrasonography of calcaneum was tested in Tajiquan group,the aged group and the adult group and by enzyme immunoassay,the concentrations of T FT DGT AND SHBG were measured in the study.

通过测定太极拳组、老年对照组、成年对照组的跟骨超声参数及血清男性激素水平。

The effect of six chemical disinfectants of different quality concentrations, namely, povidone iodine、dibromohydantoin、formalin、trichloroisocyanuric acid、calcium hypochlorine and sodium hypochlorite, on the species and quantities of plankton in cultured water were studied.

采用不同质量浓度的聚维酮碘、二溴海因、福尔马林、富氯、漂粉精和次氯酸钠等6种化学消毒剂，对蓄水沉淀池养殖海水进行消毒处理，处理前后分别测定浮游生物种类和数量变化。

Muskmelon discs taken at ripening stage were used by different concentrations of calcium nitrate (1, 3, 5 mmol/L) and various time (4, 8, 12, 16, 20, 24 h) in order to investigate related to maturation and consenescence physiological parameters.

为明确钙在调节网纹甜瓜果实成熟衰老中的生理作用，以网纹甜瓜果实圆片为材料，研究了不同浓度硝酸钙(1，3，5 mmol/L)处理4，8，12，16，20和24 h情况下，甜瓜果实成熟衰老相关生理指标的变化。

Muskmelon discs taken at ripening stage were treated with different concentrations of calcium nitrate 1, 3 and 5 mmoloL^(-1 and various time (4, 8, 12, 16, 20 and 24h) in order to investigate the fruit softness and the relative physiological parameters.

以网纹甜瓜果实圆片为材料，研究了不同浓度硝酸钙1， 3， 5mmolL^(-1处理4，8，12，16，20，24h情况下，甜瓜果实软化及其相关生理指标的变化。

The working conditions of equipments, the mediums and their concentrations, and the interference of coexisting ions were investigated. The results showed that when the flame was shielded with oxygen enriched, the barium in lapis lazuli could be determined using calcium nitrate as releasing agent in 5% nitric acid. The obtained results were satisfied.

对仪器的工作条件、介质及其浓度、共存离子的干扰进行了探索，结果表明，在富氧屏蔽火焰条件下、体积分数为5%硝酸介质中，以硝酸钙作释放剂，测定天青石中的钡，可获得满意结果。

In this study, aluminum resistance screening was conducted firstly by treating BX10 and BL2 sprouts in a simple B/Ca (0.5mmol/L CaCl〓+8μmol/L H〓BO〓, pH=4. 5) solution with or without AlCl〓, and then the root length, apices concentrations of aluminum and callose were determined every 6 hours after treatment.

结果总结如下：(1)BX10抗铝性的鉴定：在已知BX10是一个典型的磷高效品种，其耐低磷能力显著高于BL2的基础上进一步作了这两个品种抗铝能力的鉴定。

Under the optimum conditions, the analytes could be separated within 17 min in a 75 cm length capillary at a separation voltage of 18 kV in a 10 mmol/L borate buffer (pH 8.2). A 300 μm diameter carbon disk electrode generated a good response at+ 0.95 V vs. saturated calomel electrode (SCE for all analytes. The relationship between peak currents and analyte concentrations was linear over about three orders of magnitude with detection limits (S/N=3) ranging from 78 μg/L to 110 μg/L for all analytes.

在优化的实验条件下，以直径300μm的碳圆盘电极为工作电极，检测电位为＋0.95V，在10mmol/L硼酸盐(pH8.2)的运行缓冲溶液中，上述6种活性成分能在17min内实现很好的基线分离，被测物浓度与峰电流在3个数量级范围呈良好的线性关系，检出限(S/N=3)范围为78~110μg/L。

METHODS: The calvarium bone of newborn rats was digested with bacterial collagenase and cultured to obtain osteoblasts and SP with different concentrations was then added.

目的：观察P物质（substance P，SP）对体外培养的成骨细胞增殖和活性的影响。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。