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汞处理
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     An experiment was made to study the variations in activities of antioxidant enzymes and mercuric reductase in Antarctic bacterium Pseudoalteromonas sp. NJ62 following exposure to HgCl2. It is shown from the experimental results that the main superoxide dismutase in Pseudoalteromonas sp. NJ62 is Mn-SOD, and Mn-SOD activity increased after being treated with 5 μmol/ L and 10μmol/L Hg2+ solutions;
     南极细菌优势菌株Pseudoalteromonas sp.NJ62在用氯化汞处理后的抗氧化酶和汞还原酶的活性变化实验结果表明,Pseudoalteromonas sp.NJ62的超氧化物酶主要为Mn-SOD,当用5 μmol/L和10 μmol/L Hg2+处理时,其活性增加;
     The rates of deformity increased significantly in all three groups (\%P\%<0.05,\%P\%<0.001). Conclusion Mercuric chloride whose concentrations were 0.5mg/kg and 1mg/kg could lead to sperm formation disturbance, while, that whose concentrations were 0.25mg/kg, 0.5mg/kg and 1mg/kg could lead to sperm deformity.
     3种浓度氯化汞组精子畸形率均显著增高 (P<0 .0 5 ,P <0 .0 0 1 )结论  0 .5mg/kg、1mg/kg浓度的氯化汞处理小鼠引起精子生成障碍 ,0 .2 5mg/kg、0 .5mg/kg、1mg/kg即可引起精子畸形
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     (2)The pretreated explants immersed in 2.5% NaCIO for 10-15 minutes or in 0.1% HgCl_2 for 5-7 minutes were sterilized well.
     (2)经过预处理的外植体用2.5%的次氯酸钠处理10~15分钟或用氯化汞处理5~7分钟均能达到很好的处理效果;
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     From leaves of variety 331 treated with mercuric chloride(0.01%) for 24 h, a kind of β-1,3-glucanase was purified by fractional pre- cipitation with ammonium sulphate, Phenyl- Sepharose chromatography(Phenyl-Sepharose Fast Flow), ion-exchange chromatography (DEAE-Sepharose Fast Flow) and gel-filtration chromatography (Sephacryl S-100) (Table 1).
     因此取用氯化汞处理 24 h的331小麦叶片研磨得到粗酶液。 将粗酶液经硫酸铵分级沉淀、Phenyl-Sepharose Fast Flow疏水层析、DEAE-Sepharose Fast Flow 阴离子交换层析和 Sephacryl S-100分子筛层析, 得到了SDS-PAGE凝胶电泳谱带单一的β-1,3-葡聚糖酶样品。
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     The results showed that low concentration of heavy metal Hg promoted cell division and high concentration restrained cell division.
     结果表明 :不同浓度汞处理对根尖细胞分裂、微核率及染色体畸变有不同程度的影响 :汞对细胞分裂影响表现为低浓度促进细胞分裂 ,高浓度抑制 ;
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     To treat mercury-containing wastewater with sodium sulfide
     硫化钠处理废水
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     A NEW POLLUTION—FREE PROCESS FOR TREATING MERCURY SOOT
     处理炱的无害新工艺
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     TREATMENT OF ION EXCHANGE RESINS
     离子交换树脂的处理
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     mercuric coxide(HgO);
     氧化 ;
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     R. japoncnsis was treated as a variety under R.
     japonensis处理为R.
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Oxidation of the products from the reaction of o-diaminobenzene with alkyl α-bromocarboxylate gave 2-hydroxv-3-alkylquinoxlines (R=-CH_3,-C_2H_5, -CH_2CH_2CH_3, -(CH_2)_3CH_3, -CH_2CH(CH_3)_2, -(CH_2)_5CH_3).The 2-hydroxy-3-alkylquinxalines (R=-H, -CH_3, -C_2H_5, -CH_2CH_2CH_3, -(CH_2)_3CH_3, -CH_2CH(CH_3)_2, -(CH_2)_5CH_3, -C_6H_5) were transformed to 2-chloro-3-alkylquinoxalines, then to 2-hydrazino-β-alkylquinoxalines, which were treated with mercuric oxide to give the title compouuds.

邻苯二胺与α—溴代酸酯反应,产物经氧化后生成2—羟基—3—烃基喹噁啉(R=-CH_3,-C_2H_5,-CH_2CH_2CH_3,-CH_2(CH_2)_2CH_3,-CH_2CH(CH_3)_2,-CH_2(CH_2)_4CH_3)。2—羟基—3—烃基喹噁啉(R=-H,-CH_3,-C_2H_5,-CH_2CH_2CH_3,-CH_2(CH_2)_2CH_3,-CH_2CH(CH_3)_2,-CH_2(CH_2)_4CH_3,-C_6H_5)转变成2—氯—3—烃基喹噁啉后,与肼作用生成2—肼基—3—烃基喹噁啉,后者用氧化汞处理得到2—烃基喹噁啉(R=-H,-CH_3,-C_2H_5,-CH_2CH_2CH_3,-CH_2(CH_2)_2CH_3,-CH_2CH(CH_3)_2,-CH_2(CH_2)_4CH_3,-C_6H_5)。

Oxidation of the products from the reaction of o-diaminobenzene with alky α-bromocarboxylate gave 2-hydroxy-3-alkylquinoxlines■(R=-CH_3,-C_2H_5,-CH_2CH_2CH_3,-(CH_2)_3CH_3,-CH_2CH(CH_3)_2,-(CH_2)_5CH_3). The 2-hydroxy-3-alkylquinxalines(R=-H, -CH_3,-C_2H_5, -CH_2CH_2CH_3,-(CH_2)_3CH_3,-CH_2CH(CH_3)_2, -(CH_2)_5CH_3, -C_6H_5) were transformed to 2-chloro-3-alkylquinoxalines, then to 2-hydrazino-3-alkylquinoxalines, which were treated with mercuric oxide to give the title compouuds.

邻苯二胺与α—溴代酸酯反应,产物经氧化后生成2—羟基—3—烃基喹噁啉■(R=-CH_3,-C_2H_5,-CH_2CH_2CH_3,-CH_2(CH_2)_2CH_3,-CH_2CH(CH_3)_2,-CH_2(CH_2)_4CH_3)。2—羟基—3—烃基喹噁啉(R=-H,-CH_3,-C_2H_5,-CH_2CH_2CH_3,-CH_2(CH_2)_2CH_3,-CH_2CH(CH_3)_2,-CH_2(CH_2)_4CH_3,-C_6H_5)转变成2—氯—3—烃基喹噁啉后,与肼作用生成2—肼基—3—烃基喹噁啉,后者用氧化汞处理得到2—烃基喹噁啉■(R=-H,-CH_3,-C_2H_5,-CH_2CH_2CH_3,-CH_2(CH_2)_2CH_3,-CH_2CH(CH_3)_2,-CH_2(CH_2)_4CH_3,-C_6H_5)。

It has been observed that mercury depressed the germinant rate of wheat and its seedling growth, decreased its transpiration and chlorophyll content. Degrees of the influence was directly related with the mercury concentrations in wastewater and the content of it in the seedlings. In low concentration of mercury, the respiratory rate of seedlings increased, but it decreased or increased considerably in accordance with its high concentrations. Moreover, the respiratory rate in the growth and stages of the seedlings....

It has been observed that mercury depressed the germinant rate of wheat and its seedling growth, decreased its transpiration and chlorophyll content. Degrees of the influence was directly related with the mercury concentrations in wastewater and the content of it in the seedlings. In low concentration of mercury, the respiratory rate of seedlings increased, but it decreased or increased considerably in accordance with its high concentrations. Moreover, the respiratory rate in the growth and stages of the seedlings. The result showed that mercury caused a change of peroxidase isozyme pattern. The effects of mercury on wheat seedlings were a physiologicalreaction due to injury of mercury.

本文比较系统地研究了汞对小麦幼苗生长发育和生理功能的影响。汞处理的小麦发芽率、幼苗生长发育受到抑制,蒸腾强度、叶绿素含量降低。不同处理的小麦幼苗呼吸强度也发生了明显地变化,其影响程度与苗龄有关,汞处理还有诱导小麦幼苗过氧化物酶同工酶产生新谱带的作用,使小麦幼苗过氧化物酶同工酶带增加了两条,酶的活性也有所变化。这些特性都是小麦幼苗对汞伤害的生理反应。

 
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