pahs 中文意思是什麼
pahs
解釋
化合物-
Phenanthrene is one of three - aromatic pahs and distributes in environments widely, which causes diseases of human respiration system and skin, and induces mutation, aberrance and carcinogen of fish and other animals
菲為一種廣泛分佈於自然環境的三環芳烴，能導致人類呼吸系統和皮膚的病變，可誘發魚類和其它生物的突變、畸變與癌變。 -
Phyletic and spatio - temporal distribution and sources of pahs on atmospheric particulates in liuzhou city
柳州市大氣顆粒物中多環芳烴的種類和時空分佈特徵及來源 -
The effect on the growth of k. candel seedling exposed to pahs for 60 days could be manifested by the appearance of roots
Pahs對秋茄幼苗生長的影響從根的外部形態可明顯表現出來。 -
After 60 days of exposure to nap and pyr, the soluble sugar content in leaves of k. candel seedlings increased with increasing concentrations of pahs, wh
與其它紅樹林區及近岸海域表層沉積物中pahs含量相比，尚屬含量水平較低。 -
The results show that the pollution status are different obviously at different plots and the pollutants of cupper, zinc and pahs has been found in soil and groundwater at some plots
結果表明，各地塊土壤的污染情況差別較大，一些地塊存在明顯的銅、鋅和多環芳烴等的污染，地下水的水質較差。 -
Sgs products have passed, pahs international drug - free certification testing
產品均已通過sgs 、 pahs等國際無毒檢測認證。 -
Ratio method, factor analysis method and multiple regression model were applied to source apportionment experiment of polycyclic aromatic hydrocarbons ( pahs ) in airborne particulate at traffic areas in nanjing
摘要通過比值法、因子分析法和多元逐步回歸模型對南京市交通幹道區顆粒物中的多環芳烴的源解析進行研究。 -
In this paper, kandelia candel ( l. ) druce hypocotyls were cultivated in sand and treated with 15 % seawater for 60 days under laboratory conditions. the influence of increasing concentrations of napthalene and pyrene ( 0, 0. 1, 1 and 10mg / l ) on hypocotyl germination and growth, photosynthesis metabolism, water metabolism and membrane protection system were observed to inquire into the ecophysiological responses of mangrove k. candel to pahs phytotoxicity. moreover, the concentration and distribution of parent polycyclic aromatic hydrocarbons ( pah ' s ) in surface sediment, underground root and leaf residue of mangroves in jiulong river estuary ( fugong, north and south shores of haimen island, baijiao ), neighbouring xiamen western harbour ( dong islet ) and dongzui harbour ( fenglin ) were examined
在實驗室條件下，分別以0 . 1 、 1和10mg l的萘（ nap ）和芘（ pyr ） 3個梯度濃度組級砂基培養秋茄（ kandeliacandel （ l . ） druce ）幼苗，培養基鹽度15 ，培養期60d ，以不加pahs為對照，分析了nap和pyr對紅樹植物秋茄幼苗的生長、光合代謝、水分代謝以及膜保護系統的影響，探討pahs對紅樹植物秋茄的的生理生態效應及植物性毒害（ phytotoxicity ）的機理。 -
In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年，沉積物監測包括分析61種物理及化學參數，其中有粒子大小電化學勢有機污染促使沉積物缺氧，而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物，是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。 -
The addition of alkyl groups to pahs enhances the carcinogenic potential of these compounds
烷烴加在多環芳烴上的系列會提高這些化合物的致癌作用。 -
Four, five and six ring pahs have greater carcinogenic potential than do two, three or seven ring pahs
四，五和六環多環芳烴比二，三和七環的多環芳烴有更強的致癌作用。 -
The trace organics that were analysed included dioxins furans, polychlorinated biphenyls pcbs, polycyclic aromatic hydrocarbons pahs, dichloro - diphenyltrichloroethane and its metabolites ddts, and organotin compounds tbts
喃多氯聯苯多環芳烴滴滴涕及其代謝物有機錫合物等，有毒金屬類包括鎘銅汞等。 -
Bioremediation of pahs polluted soil
含油污泥堆腐處理技術研究 -
The distribution pattern can be attributed to ( 1 ) pollution sources located mostly in the eastern coast area ; ( 2 ) the current circulation systems in jiaozhou bay which hindered diffusion of pahs from east towards west ; ( 3 ) sediment grain size and composition factors had an influence on the horizontal distribution
造成這種東-西差異分佈格局的原因有（ 1 ）絕大部分污染源集中在膠州灣東岸； （ 2 ）膠州灣的環流系統和潮流系統使東部的污染物很難向西部擴散； （ 3 ）沉積物粒度及有機質含量對pahs含量分佈有一定的影響。 -
The analysis of the organic contaminants before and after cleaning up by gc / ms indicated that ranges from the highest removal rate to the lowest one were benzene, pahs, ester, aldehyde, ketone and alkane in proper order
活性炭床進出水的色質聯機分析結果表明，苯系物的去除率最高，依次為稠環芳烴類、酯、醛、酮類，烷烴類。 -
Pahs and normal - alkanes in urban air of beijing, tokyo and tsukuba
大氣顆粒物中多環芳烴污染特徵 -
The study of pahs methanol certified reference materials for environmental protection
六種多環芳烴溶液標準物質的研製 -
Pahs exposure and health risk in traffic police assistants in tianjin, china
交通協警多環芳烴暴露與健康風險的初步研究 -
The relation between dynamics of pahs concentrations in soil and microorganisms
土壤中多環芳烴的降解與土壤酸度及微生物的關系 -
With increasing concentrations of pahs the biomass of various parts of k. candel seedling and the total biomass tended to decrease, the extent of inhibition by nap was obviously greater than by pyr. 3
在0 10mg l濃度范圍，秋茄幼苗葉片、根尖sod與pod總活性的變化趨勢相似，受pahs脅迫， sod和pod總活性提高。
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