金屬沉積物 的英文怎麼說
中文拼音 [jīnzhǔchénjīwù]
金屬沉積物
英文
metal deposit- 金 : Ⅰ名詞1 (金屬) metals 2 (錢) money 3 (古時金屬制的打擊樂器) ancient metal percussion instrum...
- 屬 : 屬名詞1 (類別) category 2 [生物學] (生物分類系統上所用的等級之一) genus 3 (家屬; 親屬) fami...
- 沉 : Ⅰ動詞1 (沉沒; 墜落) sink 2 (沉下 多指抽象事物) keep down; lower 3 [方言] (停止) rest Ⅱ形容...
- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 金屬 : metal
- 沉積 : [地] deposit; sedimentation; deposition; precipitation
-
The concentrations of heavy metals in benthos ( aquatic oligochaetes ) is remarkablely correlated with that in sediments ( p < 0. 01, p < 0
河涌中的水棲寡毛類與沉積物中的重金屬含量顯著相關( p 0 . 01 ) 。Sediment, soil & biota - trace metals, organic pollutants
沉積物、土壤及生物區系(微量金屬、有機污染)Distribution of heavy metals in the sediments from the grand canal hangzhou section
沉積物中重金屬分佈特徵及變化On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city, the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ), the 22nd offspring purely cultivated by pearl river fishery research institute, were measured by physiological and biochemical indexes and observation of electron microscopy
本研究中首先調查了廣州市河涌沉積物及底棲生物體內重金屬含量及分佈,並以珠江水產研究所培育的水生實驗動物?劍尾魚為實驗材料,利用環境生物技術,電鏡觀察等技術方法研究了重金屬?汞對劍尾魚組織的毒害及機體必需微量元素硒對其毒害的拮抗性影響。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。The assessment on the pollution of heavy metals in sediment of guangxi inshore
廣西近岸海域沉積物中重金屬污染評價The refractory metals and refractory metal silicides that are used to augment or replace the polysilicon are generally deposited by physical vapor deposition processes.
用於增強和取代多晶硅的難熔金屬和難熔金屬硅化物通常是用物理蒸發沉積工藝沉積的。The result shows that the addition of pbo, bi2o3, in2o3 in zinc electrode can improve the morphology of zinc deposition and prevent it from dendrite growth and deformation. and also, the dendrite growth of zinc was inhibited by the addition of c16 ( ch3 ) 3nbr in the electrolytes through the absorption in active sites on the surface of zinc electrode which will suppress zinc deposition
實驗結果表明:在電極中適量添加pbo 、 bi _ 2o _ 3 、 in _ 2o _ 3三種金屬氧化物可以明顯改善鋅沉積形態、抑制鋅枝晶和變形;十六烷基三甲基溴化銨通過在鋅電極表面的活性中心上特性吸附,抑制鋅在這些位置的沉積,產生較均勻的沉積,從而達到抑制枝晶的效果。Heavy metal contamination in coastal sediments of wanggang, jiangsu province
江蘇王港海岸帶沉積物重金屬污染研究Determination of heavy metal contents in the sediments from taihu lake and its environmental significance
太湖沉積物中重金屬的測定及環境意義Heavy metal pollution of stream sediment in panzhihua area
攀枝花地區河流沉積物的重金屬污染研究Index of geoaccumulation ; taizi river ; sediment ; heavy metal pollution
地積累指數太子河沉積物重金屬污染Distribution and source of heavy metal elements in sediments of zhanjiang harbor
粵西湛江港海底沉積物重金屬的分佈特徵與來源This paper summarized the progress of studies on the environmental pollution of heavy metals in lake sediment
摘要綜述了湖相沉積物重金屬環境污染研究進展。Effect of water dynamic action on spatial and seasonal distribution of heavy metals in surface sediments at tidal flat in shanghai
水動力作用對潮灘表層沉積物重金屬時空分佈的影響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 characteristics of heavy mentals distribution and pollution in sediment from lake taihu
南海北部陸架區表層沉積物中重金屬分佈和污染狀況The distribution characteristics of the metals from the intertidal sediments of jiaozhou bay ( 1 ) the results shown that, the available concentraion of zn is ranged 53. 88 - 143. 21 g / g ( dry weight ), cu is ranged 18. 56 - 65. 34 g / g ( dry weight ), cr is ranged 10. 82 - 105. 49 g / g ( dry weight ), pb is ranged 2. 14 - 31. 92 g / g ( dry weight ), cd is ranged 0. 04 - 0. 836 g / g ( dry weight ), hg is ranged 0. 005 - 0. 115 g / g ( dry weight ), eh is ranged - 307. 9 - 84. 4mv, ph is ranged 7. 589 - 8. 019, the sediment in jiaozhou bay is featured by reduction, so the sediment of jiaozhou bay deposied well
用離子分析儀測得沉積物中重金屬相關參數氧化還原電位eh的范圍為307 . 9 84 . 4mv , ph的范圍為7 . 589 8 . 019 ,說明膠州灣沉積物有較強的還原性,重金屬沉積較好。為將汞相對于濕樣的含量轉化為相對于干樣,測得沉積物含水率的范圍為23 . 2 34 . 8 。The result showed that the interpenetration network structure between polymeric and deposited metal has been observed under a scanning electronic microscope and optical microscope. the experiments showed that copper deposition gradient distribution and crystal structure were greatly influenced by the the ph value of electrochemical reduction medium solution and the size, number and distributing of microporous in swelling cathode film
用掃描電鏡和體式顯微鏡對制備的pmgcf進行了分析,結果表明:制備的pmgcf樣品的金屬沉積層梯度分佈均勻,在一定的電化學條件下金屬銅和聚合物基體形成了互穿的立體網狀結構。3 the experiment showed that there is no copper deposition in the film using p ( an - mma ) as polymer matrix. but the copper deposition and gradient distributing appears in the film when using p ( an - ita ) and p ( an - mma - as ) as polymer matrix. the size and number of crystal increases as the concentration of ita in copolymer increase and the film is prone to be ruptured
3實驗顯示p ( an - mma )作為基體制備的pmgcf五金屬沉積,銅的沉積量為零; p ( an - mma - as ) , p ( an - ita )兩種共聚物為基體時均出現金屬銅的沉積,二者金屬沉積相均呈現一定程度的梯度分佈形態,但p ( an - ita )為基體時得到的晶體比較粗大,且隨其中ita的含量的增多得到粗糙晶體的數目增大,所制的pmgcf脆而硬,受外力沖擊時容易斷裂。分享友人