毒性金屬 的英文怎麼說
中文拼音 [dúxìngjīnzhǔ]
毒性金屬
英文
toxic metal- 毒 : Ⅰ名詞1 (對生物體有害的性質或物質; 毒物) poison; toxin 2 (毒品) drug; narcotics 3 (姓氏) a s...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 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...
- 毒性 : [藥理學] toxicity; virulence; poisonousness毒性測定 toxicity test
- 金屬 : metal
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Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time
隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。Cloudy swelling is seen in febrile infectious diseases and metallic poisoning.
混濁腫脹見于熱性傳染病和金屬中毒。The current test method of heavy metals in edible alcohol is adopted colorimetric method using hydrogen sulphide saturated solution as colorific agent, this method is toxic, disagreeable odour, contaminated, overlaborated and time expended
摘要食用酒精重金屬檢驗方法目前是採用飽和硫化氫溶液作顯色劑的比色測定法,該法毒性大、氣味難聞、污染嚴重、繁瑣、耗時。Progress of study on joint toxicity of heavy metals
重金屬聯合毒性作用研究進展Our products contain no fluoride heavy metal compounds and
不含氟化物和毒害性金屬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。Characterization of severe acute occupational poisoning accidents related to metal and metalloid in china between 1989 and
1989至2003年全國金屬及類金屬化合物重大急性職業中毒的特徵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 adulterated edible oil could be determined by detecting the regular physicochemical indexes, metal ion content, conductivity, sdbs content, afb1, volatile material, fatty acid composition, cholesterol, ir and uv characteristic absorption
通過對油脂的常規理化指標、金屬離子含量、電導率、十二烷基苯磺酸鈉( sdbs ) 、黃麴黴毒素、揮發性物質、脂肪酸組成、膽固醇、紅外及紫外特徵吸收等指標進行定性定量分析,可以鑒別食用油是否摻偽。This course contents : environmental biosensor ; environmental indicator ; biotoxicity ; the application of biotechnology on : waste water, solid waste, heavy metal pollution, purification and remediation of aquifers, soil amendment, biopesticides, and biopolymers ; and phytoremediation
本課程包括要了解:環境生物感測技術;生物指標;生物毒性;生物科技在廢水、廢棄物、重金屬污染、水質凈化與整治、土壤改良、生物農藥、生物高分子材料之應用及植物復育。The related reports said the main pollution sources of serious environmental cd, pb and as pollution in china were mining and smelting of nonferrous metals, these pollutants were discharged into the environment and caused the pollution of water, atmosphere, soil and biological species and caused a series of acute and chronic diseases in the exposed people, but the relationship between malignant tumors and environmental cadmium, lead, arsenic pollution is not well understood up to now
研究認為有色金屬鎘、鉛、砷對人體有毒害作用;有色金屬礦山的開采和冶煉是環境鎘、鉛、砷污染的主要來源;污染物進入環境后,產生水污染、大氣污染、土壤污染和生物污染,繼而危害暴露人群的身體健康,產生一系列急性和慢性病癥。All results indicated that cd2 + had obvious harm to the enzymes. the endogenous protective system could be induced in refained degree under the press, however, which came to weakening along with the aggravation of cadmium, adding to extrinsic calcium could enhance the activities of sod and atpase properly, so protecting the damage of cadmium to the fish
鎘對草魚酶系統有明顯的毒害作用,內源性保護系統的保護作用在受到脅迫后能夠在一定限度內被誘導加強,但防禦反應隨著重金屬離子毒害的加重而減弱,提高水中ca ~ ( 2 + )濃度能夠適當增強體內酶的活性,對草魚的鎘毒性危害起保護作用。The dietary fiber contained in the sodoit fat eliminating formula can absorb toxins such as saturated fatty acid, cholesterol and heavy metal on the stomach wall, and strengthen enterogastric peristalsis to discharge toxins out of the body fast, thus to improve gloss and elasticity of the skin
瘦得易清脂配方內含的膳食纖維,它能吸附腸胃壁中的飽和脂肪酸、膽固醇、重金屬等毒素,並加強腸胃蠕動,使毒素快速排出體外,改善皮膚的光澤及彈性。Toxicity assessment of soil contaminated by heavy metals using algae growth inhibition test
應用斜生柵藻生長抑制實驗對重金屬污染土壤的毒性進行診斷The joint toxicity of heavy mental ions lead, zinc and cadmium to hydra sp. was evaluated using the additive index method
摘要以水螅為實驗生物,採用相加指數法,研究了鉛、鎘和鋅3種重金屬離子復合污染物的聯合毒性。These toxic substance include pesticides, heavy metals and its compound materials, organic and inorganic matters, micro - organisms, oily materials, plant nutrients, various discarded garbage and radioactive substances, etc. the sources of the water pollution mainly come from unprocessed factory, domestic and hospital sewages
這些有害物質包括農藥重金屬及其化合物等有毒物質,有機和無機化學物質,致病微生物油類物質植物營養物,各種廢棄物和放射性物質等。水污染的來源主要是未加處理的工業廢水生活廢水和醫院污水。Research on using misqurnus mizolepis as an indicator to predict the toxicity of heavy metals in the sediment
用泥鰍作底泥重金屬毒性指示生物的研究In the machinery industry, the sodium citrate is widely used for replacing sodium cyaniding to clean the metal surface of heat exchanger metal surface and the chemical pipeline, because of its nonpoisonous, no pollution, high combine performance, it is good buffer and complexing agent in the electroplate industry
在機械造業中,檸檬酸納由於無毒、無污染,高整合性能,因此廣泛用於替代氰化鈉,處理金屬表面熱交器和化工管道的清洗劑,是電鍍工業良好的緩沖劑和絡合劑。This finding may bring a hope to phytoremediate as - contaminated soils. the effects of as and ca on the growth of p. vittata l. and as uptake by p. vittata l. were studied under sand culture condition. the interaction of as and ca on concentration and distribution of metals including k, mg, mn, fe, zn and cu in it were also investigated
通過砂培盆栽試驗,本論文從砷和鈣的作用對蜈蚣草生長和累積砷的影響及砷、鈣與其他必需金屬元素的關系等方面研究了蜈蚣草的營養特性,從砷、鈣、磷的亞細胞定位探討了蜈蚣草對砷的解毒機理及鈣的作用機制。分享友人