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- The joint toxicity of heavy mental ions lead, zinc and cadmium to Hydra sp. was evaluated using the additive index method. 摘要以水螅为实验生物,采用相加指数法,研究了铅、镉和锌3种重金属离子复合污染物的联合毒性。
- Bacterium activity can improve or catalyze the velocity of oxidation reaction ,accelerate hydrolysis and precipitation of heavy mental ions . 铁氧化细菌的活动可以提高或催化氧化反应的速度,加速重金属的水解和沉淀。
- The results show that maintainning pH from 8.5 to 9.5,stir specd from 100 r/min to 120 r/min and keeping up the quantity of flocculation from 9.0 mg/L to 10.5 mg/L can improve the rate of removal heavy mental ions. 结果表明:pH在8.;5~9
- Keywords activated carbon;benzothiophene;mental ions;adsorption;HSAB principle; 活性炭;苯并噻吩;金属离子;吸附;软硬酸碱理论;
- He wasn't rid of the mental burden. 他摆脱不了精神负担。
- He's suffering from severe mental disorder. 他患有严重的精神病。
- Physical disability causes mental anguish. 生理伤残会引起心理苦闷。
- He has a mental block about maths. 他一遇到数学问题就糊涂。
- We should pay more attention to our mental health. 我们应该更注重心理健康。
- His problem is mental, not physical. 他的问题是心理的而不是身体的。
- He was certified and sent to a mental hospital. 他经诊断为精神失常而送往精神病院。
- A mental deviation or aberration. 神经错乱或精神变态
- A mental or moral twist, aberration, or deviation. 不正常精神或道德上的扭曲、变态或歪曲
- Insufficient mental development. 智力缺陷,智障智能发育不足
- The hospital cares for some fifty mental patients. 这家医院照料五十名左右精神病患者。
- His mental decay is distressing. 他的智力衰退令人苦恼。
- He got the answer by mental arithmetic. 他用心算得出了答案。
- He is good at mental arithmetic. 他擅长心算。
- Her mental anguish was beyond words. 她内心的痛苦难以用言语形容。
- The separation of an electrolyte into ions of opposite charge. 电解(作用)一种电解质分解为带有相反电荷的离子的过程