重金屬抗性 的英文怎麼說
中文拼音 [zhòngjīnzhǔkàngxìng]
重金屬抗性
英文
heavy metal resistance- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 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...
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 重金屬 : [化學] heavy metal重金屬冶金 heavy metal metallurgy
- 重金 : the king's/queen's english = english. a king's ransom very large amount of money
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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。Heavy metal resistance of frankia strains from root nodule of myrica rubra
菌對重金屬的抗性Before now most of the research has concentrated on the action of single compounds against organisms. when two or more chemicals are applied simultaneously to a living system or unit, the combined effect may be one of the followings : additive action, antagonism and synergism
目前,有關污染物的生物效應研究多數還是集中在單個化合物的生物效應,隨著多種污染物(包括重金屬)進入水域環境后,所發生的聯合毒性效應往往表現為相加、拮抗或增毒作用。The chemical structures of alginate and chitosan were analyzed, and a comparative study was conducted of the absorbability, metal ion binding ability and antimicrobial property of alginate and chitosan fibers
分析了海藻酸和甲殼胺的化學結構,對其吸附性能、結合重金屬離子的能力以及抗菌性能作了比較。This paper briefly introduces the application of metal ions in the area of silk and textile industry, such as modification of silk fiber, development of the functional fiber with antibacterial or deodorant properties, fiber ' s weighting and dyeing, flame retardancy finishing and electromagnetic radiation shield finishing, and so on
摘要綜述了金屬離子在絲綢紡織領域的應用情況,對蠶絲纖維的改性處理,抗菌消臭功能纖維的開發,纖維增重、染色,阻燃整理及防電磁波輻射整理等進行了詳細分析。After adding la3 + and ce3 +, the enhancement of relative membrane penetration ( rmp ) by heavy metal stress was reduced, the peroxidation of membrane lipids was alleviated and to some degree protected the membrane from injury by heavy metal ions, thus utimately promote the tolerance ability of plants to heavy metal stress. mesurement of element consentration by icp - ms method showed that rare earths could decrease the accumulation of heavy metal ions in the plants through competition effect
在受重金屬離子污染的培養液中施加la ~ ( 3 + ) , ge ~ ( 3 + )后,與單一重金屬毒害相比, la ~ ( 3 + )和ce ~ ( 3 + )有效抑制了重金屬脅迫引起的細胞膜透性增加,使膜脂過氧化水平減弱,從而延緩了對膜的損傷,最終增強了對重金屬離子的抗性。Recent progress in improving the sulfur resistance of noble metal aromatic saturation catalysts is reviewed in this paper
本文著重對改善貴金屬芳烴飽和催化劑抗硫性的最新研究進行了綜述。The properties of product : may replace copper, the pakistan alloy and so on the nobie metal, has the fine self lubrication, the high anti - impact intensity and the bending strength, saves the spouse, the comprehensive cost low status merit, the rub proofness is copper2 - 3time, is hard4 - 6time
產品性能:可代替銅、巴氏合金等貴重金屬,具有優良的自潤滑性,高耐磨性、耐腐蝕性、高抗沖擊強度和彎曲強度,節省配偶件,綜合成本低等優點,耐磨程度是銅的2 - 3倍,是鐵的4 - 6倍。After a long time of effecting by heavy metal pollution, the adaptabilities of bacteria to heavy metal were improved and the number of strains tolerant to heavy metal was increased
抗性實驗結果表明:由於土壤長期受重金屬污染影響,土壤中細菌抗重金屬水平提高,耐性菌種多。Cubic boron nitride ( c - bn ) thin films have significant and potential technological application prospect in cutting tools, electronic and optical devices, etc. because c - bn possesses excellent physical and chemical properties, such as ultrahigh hardness only inferior to diamond, inertness against oxidation at high temperature, uneasy reaction with iron group metal, as well as the possibility of using as n - and p - type doped semiconductors
立方氮化硼( c - bn )具有優異的物理化學性質,如僅次於金剛石的硬度、高溫下強的抗氧化能力、不易與鐵族金屬反應、可n型摻雜也可p型摻雜成為半導體等,立方氮化硼( c - bn )薄膜在切削刀具、電子和光學器件等方面有著潛在的重要應用前景。Cubic boron nitride ( cbn ) thin films have significant and potential technological application prospect in cutting tools, electronic and optical devices, etc., because cbn possesses excellent physical and chemical properties, such as ultrahigh hardness only inferior to diamond, inertness against oxidation at high temperature, uneasy reaction with iron group metal, as well as the possibility of using as n - and p - type doped semiconductors
立方氮化硼( cbn )具有優異的物理化學性質,如僅次於金剛石的硬度、高溫下強的抗氧化能力、不易與鐵族金屬反應、可n型摻雜也可p型摻雜成為半導體等,立方氮化硼( cbn )薄膜在切削刀具、電子和光學器件等方面有著潛在的重要應用前景。Suitable for flame retardant, raw materials of high purity and high active magnesium oxide, oil product additive, desulfurate agent of flue - gas, neutralizer of waste water, electron industry, medicine, sugar - refining, heat insulator and food additive
可用於阻燃劑,高活性、高純度氧化鎂的原料,油品添加劑和電子、陶瓷原料,重金屬脫除,土壤防酸化,醫藥中用於抗酸劑和緩瀉劑,食品添加劑以及各種廢水處理,煙氣脫硫等。The third part studied ecological effect of combined pollution for hms in plearotus ostreatus, measured the lingth and anti - weed - moulds ability of hyphae, biomass of plearotus ostreatus, biovailability of hms, hms enrichment, the variety of hms toxicity and the transformation amd redistribution ability of hms. the ecological dffect of hms on plearotus ostreatus is reviewed. hms mentioned above were harmful to the growth and yield of pleurotus, ostreatus, but cd could enhance billogical efficiency
第三部分:研究重金屬復合污染物對平菇生態效應的影響,分析了菌絲生長速度和抗雜性,平菇的生物量,重金屬離子的生物有效性,平菇對重金屬的吸收與富集,重金屬毒性的差異和重金屬離子的分配和遷移,綜合分析了重金屬的交互作用對平菇的生態效應。Ththe function of titanium pot is nicee entire pot is made of hot - resistant and anti - corroed material. weight appropriately, anti - rust, durable and convenient are the characters
鈦金鍋具有優異的性能:鍋體內外均為抗高溫腐蝕的金屬材料,重量適中,永不生銹,堅固耐用,使用方便。Particular wires, can be used for long time under the condition of - 65 200 anti strong acid and alkali, durable usage range : be used with intercoms and access control systems. can be installed onto wooden door, metal door, glass door, fireproof door function : working voltage : 12vdc working current : 0. 53a working condition : 40 50 holding force : 280kgs working mode : cut off power to open when the door is being locked, the led turn green, and when the door is open, the led turn red. with network signal output insulated test : dc500v absolutely insulated in 1 minute dimension of the magnet board : 80x24x3mm dimension : 230x40x25mm weight : 1780g
Jdy - 280埋入式磁力鎖產品特性:安裝方便噪音低壽命長吸力強無剩磁特製導線,可長期使用在65200溫度范圍內,抗強酸堿和有機溶劑,耐老化適用於90開門適用范圍:可與樓宇對講門禁系統配套使用適用門型:木門金屬門玻璃門防火門電氣性能:工作電壓: 12vdc工作電流: 0 . 53a工作環境: 40 50工作方式:斷電開鎖絕緣電阻測試: dc500v 1分鐘無擊穿鐵板尺寸: 184 x 36 x 11mm外形尺寸: 230 x 40 x 25mm重量: 1780gAbstract : in the present paper the progress was reviewed in the active filler metals with different temperatures for ceramic to metal brazing and related brazing technique of reducing joining - gap residual stress. it was recommended that the key developing field for our country should be the high temperature active filler with heat - and oxidation - resisting properties. the brazing techniques to reduce joining - gap residual stress and the principles to select transition layers for the joining gap were also introduced
文摘:闡述了陶瓷/金屬釬焊用不同溫度的活性釬料及以降低焊縫殘余應力為中心的釬焊工藝進展;指出:在我國耐高溫、抗氧化性優良的高溫耐熱型活性釬料是重點發展方向;介紹了降低焊縫殘余應力的釬焊工藝和焊縫中間添加過渡層的選擇原則。The corrosion resistance of uranium surface treated with supercritical carbon dioxide ( scco2 ) has been studied by weight gain method and electrochemical method. the reaction product and surface element species have been studied by x - ray diffraction ( xrd ) and auger electron spectroscopy ( aes ) methods. the interaction mechanism of supercritical carbon dioxide with uranium surface by thermodynamics method was also studied
本論文用重量法、電化學研究方法評價了金屬鈾經超臨界co _ 2處理后的表面抗腐蝕性能,用aes 、 xrd等分析手段研究了超臨界co _ 2與金屬鈾表面的相互作用機理,並從熱力學角度對超臨界co _ 2與金屬鈾反應的可能性進行了研究。In our country, water crisis is increasingly serious and the pollution eara of soil heavy metal cadmium expands continuously. under this situation, my dissertation studys alfalfa which has good economic value and strong drought and cold resistance. in the study, resistance experiments of heavy metal - cadmium arid znic are carried out
本論文是在我國水資源危機日趨嚴重,土壤重金屬鎘污染面積不斷擴大的情況下,針對抗旱、抗寒能力強,生物量大、經濟實用價值高的紫花苜蓿,進行的重金屬鎘、鋅的抗性試驗研究。Tio _ 2 has been known as an n - type metal oxide semiconductor and an important inorganic function material. it can be used in fabricating medium material, photocatalytic films, reducing reflect coat, gas sensor, etc. tio _ 2 films had excellent performance with photocatalysis, resisting photo erode, difficult dissolution in acidity condition, innocuity and stabilization in light and soon on
Tio _ 2是n型金屬氧化物半導體,是一種重要的無機功能材料,可用於製作電介質材料、光催化薄膜、減反射塗層、氣敏傳感器等。 tio _ 2薄膜具有優異的光催化性能,抗光腐蝕,在酸性條件下難溶,對光穩定,無毒等。分享友人