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汞吸收
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  mercury absorption
     The interference of mercury to the metabolism of five necessary metal elements in human body was studied by using the atomic absorption spectroscopic analysis in 42 cases of mercury absorption and 2 cases of mercury poisoning (the concentration of mercury in urine>99.7nmol/L).
     对42例汞吸收、2例汞中毒者(尿汞>99.7nmol/L),采用原子吸收光谱法,检测了汞对人体必需五种金属元素代谢的干扰。
短句来源
     Urine IgG、Alb in the exposure group & mercury absorption group were different than control group( P <0.05).
     接汞组、汞吸收组尿Alb、IgG与对照组之间比较有差别 (P <0 .0 5 )。
短句来源
  “汞吸收”译为未确定词的双语例句
     DESIGNMENT OF E 1 and E 2 TRANSITIONS ABOVE ABSORPTION EDGE OF HgCdTe
     碲镉汞吸收缘以上E_1和E_2峰的指认
短句来源
     Hg2+ concentrations in the liquild mediums were determined at certain time intervals (5, 10, 20, 40, 60, 120, 180min).
     经一定的时间间隔(5、10、20、40、60、120、180min),连续测定吸收液中汞浓度的变化情况,研究凤尾菇菌丝体的汞吸收特性。
短句来源
     An indirect method of determination of iodine by using the formation of iodine mercury complexes (Hgin, n=1,2, 3,4) and cold vapour atomic absorption analysis of mercury is studied.
     研究了在高酸度时碘化汞络合物(HgIn,n=1,2,3,4)对汞吸收强度的抑制,用冷原子汞原子吸收光谱简接测定碘的方法。
短句来源
     The decrease of absorhance of mercury is linear in the iodine coolant range 0.05-0.20 mg.
     碘量在0.05—0.20微克范国内,对汞吸收光度的降低成线性。
短句来源
     At 0.01mg/m3 exposure level,no patient of mercury poison happens. The absorption rate of mercury was 20.5%.
     在0.01mg/m3接触水平中无汞中毒发生,汞吸收发生率为20.5%。
短句来源
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  相似匹配句对
     Mercury Control by Using Wet FGD
     利用湿式FGD系统吸收
短句来源
     ANALYSIS OF MERCURY BY ATOMIC ABSORPTION SPECTROPHOTOMETRY
     及其化合物的原子吸收分析近况
短句来源
     mercuric coxide(HgO);
     氧化 ;
短句来源
     K uptake by spring maize is significantly improved by potassium fertilizer and established the dynamic model of N.
     K的吸收。 建立了N.
短句来源
     c)The efficiency of absorbing.
     c)吸收效率;
短句来源
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  mercury absorption
Effect of milk on mercury absorption and gut retention in rats
      
Influence of trace elements on cadmium and mercury absorption in sucklings
      
Main mercury absorption routes in humans are through respiratory and dietary routes.
      


The UV spectra of 24 substituted phenylmercuric chlorides as well as α-and β-naphthylmereuric chlorides were measured in ethanolic solutions.For the p-substituted phenylmercuric chlorides the Hammett constants σ_p were taken as a rough measure of the shift in λ_(max) values for the E and B bands.The △λ_p(=λ_(p-XC_6H_4HgCl)-λ_(C_6H_6HgCl)) values were plotted against σ_p and a straight line was obtained as shown in Fig. 5~# for the E band.The difference △λ_p(=σ_p-σ_m) is a rough measure of the resonance effect...

The UV spectra of 24 substituted phenylmercuric chlorides as well as α-and β-naphthylmereuric chlorides were measured in ethanolic solutions.For the p-substituted phenylmercuric chlorides the Hammett constants σ_p were taken as a rough measure of the shift in λ_(max) values for the E and B bands.The △λ_p(=λ_(p-XC_6H_4HgCl)-λ_(C_6H_6HgCl)) values were plotted against σ_p and a straight line was obtained as shown in Fig. 5~# for the E band.The difference △λ_p(=σ_p-σ_m) is a rough measure of the resonance effect of the substituent. In Fig. 6~# the △λ_p values were plotted against △_σ, the linear relationship between them is consistent with the concept that the displacement in λ_(max) depends on the electron withdrawing or repelling power of various substituents. There was also a linear relationship between the △λ_p values and the Taft resonance parameter σ_R as shown in Fig. 7~#.The UV spectra of α-and β-naphthyl mercuric chlorides were compared with the spectrum of naphthalene. The greater bathochromic shift in λ_(max) for the β-isomer was explained by the resonance interaction of the follwing type:■The 5d electrons of the mercury atom probably take part in the bond formation.

本文测定了24种p-,o-,m-取代苯基氯化汞和α-,β-萘基氯化汞在乙醇溶液中的紫外光谱。以苯基氯化汞的吸收带为基准,发现由于对位取代基引起的E吸收带位移增量Δλ(λ_(p-XC_6H_6HgCl)-λ(C_4H_6HgCl))与Hammett取代基常数σ_p间呈现良好的线性关系。作为衡量取代基共轭效应尺度的Δσ(σ_p-σ_m)和Taft参数σ_R均与对位取代苯基氯化汞的E吸收带和B吸收带位移增量呈较好的线性关系所得直线的方向和斜率与取代基的电性有关。对邻位取代苯基氯化汞的吸收光谱进行了讨论。α-,β-萘基氯化汞的紫外光谱的特征表明当HgCl位于β位时,可与萘基发生共轭。

The present paper is divided into the following three parts. 1.Mercury level of the various natural vegetation forms under conditions of the different environment. The two regions, Wanshan mercury mine region in Guizhou Province and Chlor-alkali industrial region at the coast of Tianjin, where the geochemistrial action of mercury was stronger,are selected.And a region, Tomar Peak of Tianshan Mountain in Xinjiang, is also selected as a contrastive region.Mercury levels of the different vegetation forms in every...

The present paper is divided into the following three parts. 1.Mercury level of the various natural vegetation forms under conditions of the different environment. The two regions, Wanshan mercury mine region in Guizhou Province and Chlor-alkali industrial region at the coast of Tianjin, where the geochemistrial action of mercury was stronger,are selected.And a region, Tomar Peak of Tianshan Mountain in Xinjiang, is also selected as a contrastive region.Mercury levels of the different vegetation forms in every region are analysed.The result show that mercury levels occur apperently the variations above regions.The veriations were controlled by the different active intensities of the geochemistry of mercury in the various regions.In same region the variations of mercury level in the different vegetation forms are decided by the various compositions of plant community. 2.Migratory power of mercury in the different plant groups and a typical plant community. The absorptive coefficients of mercury in the various plant groups are computed, and the migratory power of mercury of the typical plant community is Calculated.The present author consider that when contents of mercury migrated by plants in same region and a section of an area are computed, three important parameters, such as the absorptive coefficients of mercury in the various plant communities, values of the life-form spectrum in plant community, and the biomass among the trees, shrubs and herbs in the plant community, must pay a special attention.Having used these parameters, people may select consciously the various kinds of plants, and arrange rational distibutrion of man-made vegetation.Asa result,the environment is improved through reduced the mercury content in it. 3.The geochemistrial process of mercury in the plant-sorl system. The processes of Oxido-reductionof mercury and of biometnglation of mercury are analysed, it is shown clearly that two procentricate different but both have close connection; also they exist an sses arer elationship with the various factors of soil. Lastly, the present author cites a typical representative region, Clalkali industrial region of Tianjin, where polluted seriously by mercury.In this region the mercury content, which were taken by plants from the environment of soil surfacem are computed; its mercury content amount tol/8ofcontent migrated by river-water from this region.It indicate that the plants are possessed of important action for changing environmental pollution of mercury in this region.

本文论述了汞的地球化学活动强度与不同地区各自然植被类型汞水平及其植物群落组成成分之间的关系;指出不同类群的汞吸收系数、群落内部生活型谱值和乔、灌及草本三类植物的生物量是估算某一地区或地段植物汞迁移量的重要参数。同时,还论述了植物—土壤系统中汞的地球化学过程。

The effect of five mercury compounds (HgS, HgO, CH3HgCl, C8H8O2Hg) on the growth of development of rice and wheat and their accumution in crops have been studied in this experiment. The results show that injuries caused by C8H8 O2Hg are generally more severe than those of HgCl2 and CH3HgCl, and HgS is the least harmful.The degree of inhibition of different mercury compounds on the transpiration of rice shows that the toxicity of C8H8O2Hg is larger than HgO,the toxicity of HgS is the least, and that the photosynthesis...

The effect of five mercury compounds (HgS, HgO, CH3HgCl, C8H8O2Hg) on the growth of development of rice and wheat and their accumution in crops have been studied in this experiment. The results show that injuries caused by C8H8 O2Hg are generally more severe than those of HgCl2 and CH3HgCl, and HgS is the least harmful.The degree of inhibition of different mercury compounds on the transpiration of rice shows that the toxicity of C8H8O2Hg is larger than HgO,the toxicity of HgS is the least, and that the photosynthesis of wheat shows that the toxicity of HgCl2 is larger than HgS.The mercury content of rice and wheat increases as the concentration of mercury compounds in soils increases. Mercury is the most absorbed by crops in the soil treated with C8H8O2Hg and is transfered most rapidly to the upper part of the plant and the transference of mercury is the slowest in the soil treated with HgS; Most of the mercury absorbed by wheat is accumulated in the roots. The mercury content in the stems of wheat is evidently less than of rice. The relativity between the total mercury content in the treated soils and the mercury content of rice is evident. The HgS and HgCl2 contained in the soil can be transformed to CH3HgCl and transfered to each organ of crop.The method of this experiment used the pot culture, and the soils were treated with different mercury compounds in various concentration.The Transpiration was measured by "Weight Method" of HBAHOB.The photosynthesis was measured by FQW-CO2 infrared gas analyser. The total mercury content of rice and wheat in organs and soils was measured by F-732 Mercury Analysor. The methylmercury was measured by Mercapto-Cotton Gas Chromato-graphy.

本试验研究了5种汞化合物(HgS,HgO,CH_3HgCl,HgCl_2,C_8H_8O_2Hg)对水稻、小麦生长发育的影响及作物对汞的吸收、积累。结果表明,C_8H_8O_2Hg对作物的危害比HgCl_2和CH_3HgCl大,HgS的危害最轻。不同汞化合物对水稻蒸腾作用的抑制程度看出,C_8H_8O_2Hg的毒性大,HgS的毒性最小;抑制小麦光合作用的程度看出,HgCl_2的毒性大、HgS的毒性小。不同汞化合物处理的土壤中,水稻、小麦的含汞量是随着汞化合物的浓度增加而增加,以C_8H_8O_2Hg处理的土壤,作物吸收的汞最多,转移到地上部的汞最多,HgS处理的土壤,汞转移到地上部最少;小麦吸收的汞大部积累在根中,地上部(茎叶)的含汞量显著比水稻少;各处理的土壤总汞含量与水稻的含汞量相关性显著。土壤中的HgS、HgCl_2可以转化为CH_3HgCl,并转运到植物体各器官。 本试验是用盆栽试验的方法,土壤用不同浓度不同汞化台物处理。 用的“称重法”测定了水稻的蒸腾作用。用FQW-CO_2红外气体分析仪测定了小麦的光合强度。用F-732测汞仪测定了水稻、小麦不同器官和土壤中的总汞含量。用巯基棉气相色谱法测定了甲基...

本试验研究了5种汞化合物(HgS,HgO,CH_3HgCl,HgCl_2,C_8H_8O_2Hg)对水稻、小麦生长发育的影响及作物对汞的吸收、积累。结果表明,C_8H_8O_2Hg对作物的危害比HgCl_2和CH_3HgCl大,HgS的危害最轻。不同汞化合物对水稻蒸腾作用的抑制程度看出,C_8H_8O_2Hg的毒性大,HgS的毒性最小;抑制小麦光合作用的程度看出,HgCl_2的毒性大、HgS的毒性小。不同汞化合物处理的土壤中,水稻、小麦的含汞量是随着汞化合物的浓度增加而增加,以C_8H_8O_2Hg处理的土壤,作物吸收的汞最多,转移到地上部的汞最多,HgS处理的土壤,汞转移到地上部最少;小麦吸收的汞大部积累在根中,地上部(茎叶)的含汞量显著比水稻少;各处理的土壤总汞含量与水稻的含汞量相关性显著。土壤中的HgS、HgCl_2可以转化为CH_3HgCl,并转运到植物体各器官。 本试验是用盆栽试验的方法,土壤用不同浓度不同汞化台物处理。 用的“称重法”测定了水稻的蒸腾作用。用FQW-CO_2红外气体分析仪测定了小麦的光合强度。用F-732测汞仪测定了水稻、小麦不同器官和土壤中的总汞含量。用巯基棉气相色谱法测定了甲基汞的含量。

 
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