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Although low NaC1 concentration (0.05 mol/L) could promote the frozen seed's germination rate, germination index and vigor index, the germination of Atriplex canescens seeds could be inhibited by NaC1stress.

尽管低浓度的NaCl(0.05mol/L)处理下冷藏种子发芽率、发芽指数和活力指数均高于对照，但盐胁迫会抑制四翅滨藜种子的发芽。

Frequency conversion control for beater in the fermentation cylinder of terramycin ;2. Aureomycin, terramycin and tetracycline in freshwater fish were quantitatively detected.

mol/L=28∶72作为流动相，在355 nm的检测波长下，成功地进行了人工饲养淡水鱼体内的四环素、金霉素、土霉素等残留物的定量检测，平均回收率约为98。

The minimumboiling homogeneous azeotrope at 66.4 mol% methyl acetate and a temperature of 329 K is shown.

均相共沸物的minimumboiling摩尔在66.4 ％，醋酸甲酯和温度为329 K的表现。

Under optimal reaction conditions: catalyst dosage(mass fraction based on benzonitrile)6%,etha...

在上述条件下，苯甲腈催化加氢反应的表观活化能为20.4kJ/mol。

The breakdown potential kept in high level when the Cl(superscript -) concentration was not more than 0.1 mol/L, while it dropped sharply with the continuous increase of C1(superscript -) concentration.

溶液中的Cl浓度很低时（不超过0.1mol/L）点蚀电位较高，随着Cl浓度的增加，点蚀电位急剧下降。

Then carefully introduce 40 mL of 0.1 N NaOH solution by means of a 50-mL calibrated buret.

小心地用50 ml 的滴定管加入 0.1 mol/l 的NaOH 溶液的 40ml ，然后再塞好瓶子。

5 To the bottles in the procedure in 10.1.4, carefully introduce 40 mL of 0.1 NNaOH solution by means of a 50-mL calibrated buret.

10.1.5按 10.1.4 的步骤，小心地用50 ml 的滴定管加入 0.1 mol/l 的NaOH 溶液的 40ml ，然后再塞好瓶子。

Materials Polyvinyl alcohol (Burgoyne Burbidges Company, India; viscosity average molecular weight=1610, degree of hydrolysis=98.4±99.0 mol%, viscosity=26± 31 cps) was used.

2.1。材料(Burgoyne聚乙烯醇Burbidges公司，印度、粘度平均分子量= 1601，学位98.4±99.0水解== 26水解%，粘度± 31 cps)。

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。

Except for 2μmol/L Verapamil,other concentrations ofCAs and CaMAs could decrease mdr1 mRNA expression level of K562/VCRcells,indicating significant difference from those of control group(CAs:P＜0.05;CaMAs:P＜0.01),but the changes of mdr1 mRNA expression levelcaused by CaMAs had negative dose-responses relationship with CaMAsconcentration(P＜0.05),while the changes of mdr1 mRNA expression levelinduced with CAs had no dose-responses relationship with the CAsconcentration.

除〓的Ver外，其它浓度的CAs和CaMAs均可降低K562/VCR细胞mdr1 mRNA表达水平，与对照组相比，存在着明显差异（CAs：P＜0.05；CaMAs：P＜0.01）；并且CaMAs各浓度间引起的mdr1 mRNA表达水平的变化也存在着差异（P＜0.05），呈负的量效关系，而CAs各浓度间引起的mdr1 mRNA表达水平的变化无明显差异。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。