毒性元素 的英文怎麼說
中文拼音 [dúxìngyuánsù]
毒性元素
英文
poisonous element- 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 ...
- 素 : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
- 毒性 : [藥理學] toxicity; virulence; poisonousness毒性測定 toxicity test
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Through expert s analysis, aloe contains rich natural protein, vitamin, chlorophyl and the neccessary microelements. it has effects of laxative, stomach care, detoxifcation, detumescence, acesodyne and diminish inflammation. so aloe is usually used to treat astriction, cold, cough, headach, car sickness, bronchia, gastric ulcer, liver disease, hypertension, diabetes, eczema, fleck, chilblain, scald, cancer, etc
經科學分析,它含有大量天然蛋白質、維生素、葉綠素、洛性酶和人體必需的微量元素及蘆蔡大黃素等七十多種成份,具有催瀉、健胃、通經、解毒、消腫止痛、清熱抗炎等作用,對便秘、感冒、頭痛、咳嗽、暈車、支氣管、胃瘍病、小兒厭食癥、肝病、出血癥、高血壓、糖尿病、濕疹、雀斑、凍瘡、燙傷、刀傷、癌癥等數十種疾病有療效。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。Exploring the possible mechanisms is an important content of bioinorganic chemistry and ecotoxicology, which has signality in modifying contamination effect to animals. this thesis studies on the chemical speciation of mercury and selenium in dolphin livers, sub - chronic toxic effect of wistar rats of sodium selenite and mercuric chloride and investigates the antagonism mechanism from there aspects : 1. redistribution of mercury in the presence of selenium, 2
本文以海豚肝臟為對象,研究其積累的高濃度汞硒化合物的化學形態和結構,並結合動物實驗的研究,從汞硒相互作用的總體生物學表現,汞硒在動物體內分佈變化和結合形態的變化以及汞硒化合物的結構等方面探討兩元素毒性拮抗作用機理。The present results indicated that the paraventricular nucleus of the hypothalamus and the supraoptic nucleus might have important roles in neuroimmunomodulation. 2. following lps or seb was administered intraperitoneally, the expression of pcna of splenic cells and il - 1 receptor type i in pvn and son were observed by using immunocytochemistry in the mice. double fluorescent labeling technique was used to determine the relationship of il - 1 receptor type i co - expressions with arginine vasopressin or oxytocin
二、小鼠腹腔內給予細菌內毒素lps或腸毒素seb ,用免疫組織化學方法觀察了脾臟核增殖抗體及下丘腦室旁核和視上核中1型il 1受體的表達,並採用雙標記技術觀察了1型il刁受體陽性神經元和加壓素及催產素表達的關系。Thus, la presents a certain genotoxicity
顯示一定濃度的稀土元素鑭具有明顯的遺傳毒性。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。Antagonistic effects of melatonin on glutamate - induced neurotoxicity in rat hippocampal neurons
褪黑素對大鼠海馬神經元谷氨酸所致毒性的拮抗作用Maifan stone tea wares are made through traditional chinese technique and moderm technology. they are of natural color, simple and classic. they can improve the taste of the tea. long drinking can supplement people with to human minerals and trace elements that are necessary to human body, exclude poisonous substances, wash cells and adjust metabolism, promote blood circulation, benefit to urine, stomach, and liver. the drinkers can gain perfect enjoyment in ta - ste, smell, and vision
該產品用正宗"靈玉"牌中華麥飯石為原料,造型各異.工藝精湛,本產品重點突出工藝性和神奇的保健作用,可沏茶泡酒均可,有益元素迅速溶出,能補充人體所需,促進微循環,調解新陳代謝,清除體內有毒物質,從而達到強身體健體,精力充沛,延年益壽之目的The contents of this paper include the following several aspects : ( 1 ) a model of the fractures leakage is built through counting and analyzing the wealthy geological records of hae field, and a model of the fracture water transporting is also built according to the fracture water condition of its recharge and its runoff and its discharge in hae field ; ( 2 ) this paper studies the chemical behavior and the migration parameters of the elenent sr2 + in ground water in hae field, the main contents include : the presence form of the element sr in ground water is analyzed by way of the rmodynamics ; the absorption mechanism that granite and sand stone absorbs sr element is analyzed based on theory and experiment test the diffusion parameters of the element sr in water and in granite and in sand stone are researched with laboratory experiment test ; the partition coefficient of sand stone and granite to sr is tested by the batch way
其研究內容包括以下幾個方面: ( 1 )通過對我國hae預選處置場豐富地質資料的大量統計和分析,建立了該處置場的基巖裂隙滲透模型。再根據hae預選處置場基巖裂隙水的補給、徑流、排泄條件及水位動態特徵,建立了預選處置場基巖裂隙水水運動模型。 ( 2 )對高毒性鍶元素在我國hae預選處置場地下水中的化學行為和遷移參數進行系統的研究,其中主要包括運用熱力學方法分析了鍶元素在地下水中的存在形態,利用理論分析與實驗測試相結合的方法分析了花崗巖和砂巖對核素鍶的吸附機制,採用室內實驗裝置研究了核素鍶在地下水中的擴散參數以及在花崗巖和砂巖中的本徵擴散參數,採用靜態批式法研究了鍶在砂巖和花崗巖中的分配系數。The physi - chemical properties of the aluminum, in environmental and physical conditions, are the determinants of its bioavailability and toxicity. aluminum absorption and its metabolic kinetics depend on the properties of al - organics complex to a large extent
鋁的物理化學形態,即暴露的媒介以及生物體的器官中的形態,常常是該元素的生物利用度和毒性的決定因素,鋁的吸收和生物代謝動力學在很大程度上依靠與不同配體形成的絡合物的性質。The average half - life of mercury in human is about 60 - 70 days. however, both elemental and organic mercury can readily cross the blood - brain barrier and the placenta to foetus, and be excreted in breast milk. in fact, effects of neurological disorder could be irreversible and long lasting. children and foetuses are more susceptible to mercury poisoning than adults
但由於元素汞及有機汞可穿過血腦屏障和胎盤影響胎兒及分泌於人奶中,而且汞對神經系統的損害是永久性的,所以汞的毒性對小孩及胎兒的傷害會較一般成年人為大。The average half - life of mercury in human is about 60 - 70 days. however, both elemental and organic mercury can be readily cross the blood - brain barrier and the placenta to foetus, and be excreted in breast milk. in fact, effects of neurological disorder could be irreversible and long lasting. children and foetuses are more susceptible to mercury poisoning than adults
但由於元素汞及有機汞可穿過血腦屏障和胎盤影響胎兒及分泌於人奶中,而且汞對神經系統的損害是永久性的,所以汞的毒性對小孩及胎兒的傷害會較一般成年人為大。Therefore, the determination of seb is very important for food hygienic analysis as well as for clinical analysis. nucleic acid hybridization technique is one of the widely - used methods in molecular biology and gene technology. the present work has developed piezoelectric biosensors used in the detection of seb dna by tacking the piezoelectric quarts crystal as a sensitive component while synthetic oligonucleotide probe as recognize molecule
其中b型葡萄球菌腸毒素( seb )是一種通常條件下更穩定,毒性最強的毒素,而核酸雜交技術則是分子生物學和基因工程中最常用和最基本的方法之一,因此本論文以該毒素的產毒基因為檢測對象,以壓電石英晶體為敏感元件,以合成的寡核苷酸探針為識別分子,構建了用於seb基因檢測的壓電生物傳感器。According to the present situation and existing problems of raihvay preservation in china. the paper recomments the composition and toxicity of the oil and oil mixed preservafitive, and emphatically analyzes the infiuencmg causes and chemical change of preservative, the author proposes that preservation industry technology and products, according to the reqmrement of railway, should turn toward colourless. non - toxic, nmlfi - element, succession and socialization
根據我國目前鐵路木材防腐的現狀及存在的問題文章介紹了引起木材腐朽的因素和木材防腐劑應具備的條件分析了油類及油類混合防腐劑的成分和毒性重點分析了影響防腐劑效果的因素、防腐劑的化學變化針對鐵路需求情況提出防腐工業的技術及產品應向無色、無毒和防腐產品多元化、系列化社會化發展。Sns has an energy gap of eg 1. 3ev, which is very close to the optimum energy gap 1. 5ev of solar cells, and it has a high absorption coefficient ( > 104cm - 1 ) and a high conversion efficiency of about 25 %. in addition, elements sn and s are abundant and non - toxic in nature
硫化亞錫( sns )的禁帶寬度eg 1 . 3ev ,接近太陽能電池的最佳禁帶寬度1 . 5ev ,在理論上其能量轉換效率達到25 % ;其吸收系數? 104cm - 1 ,用作太陽能電池耗材少;其組成元素s和sn在地球上儲量豐富、廉價、無毒,有很好的環境兼容性。The essential micronutrients to plants and phytotoxicity of toxic heavy metals are not related merely to the total concentrations but depend on their availability in soils
摘要土壤中植物必需的微量營養元素的供給以及有害元素的毒性大小並不僅僅與元素的總量有關,而取決于元素的有效性。Abstract : the studies on biological effects of rare earth have been summarized, including toxicity, distribution and transportation in vivo, carcinogensis, mutagenesis, teratogenesis to human or animals, influcnces on some proteins, enzymes, dna, rna
文摘:本文綜述了稀土的生物效應,包括稀土的毒性,稀土在機體內的分佈、運移,稀土對人或動物的致癌、致畸、致突以及稀土元素對蛋白質、酶的作用及影響等。In a word, the changing of soil microbial activities and the functional diversity of microbial community reflected to some degree the evolvement law of environmental ecological function of soil contaminated with heavy metals
因此,在該復合污染生境中重金屬的微生物毒性效應發揮主要由cd 、 cll兩元素決定,其生物毒性順序表現為: cd cu zn ph 。Topic include : basic chemical knowledge related to life science, origin of life - essential elements, water and proteins, growing up food, nutrients and hormones, messing up narcotics and some stimulant drugs e. g. ketamine and ecstasy, aging and dying medication, chemicals against diseases and the mystery of heredity nucleic acid and the double helix
內容包括:基本化學概念、生命的起源必需的元素,水及蛋白質、生命的成長食物、營養及荷爾蒙、生命的糟韃毒品及軟性藥物(如k -仔,搖頭丸)的化學成分、衰老與死亡藥物治療及生命的延續及遺傳的奧秘核酸及雙螺旋結構模型。When using the feedback or communication channel, forum or bulletin boards, you are prohibited from any posting, sending, transmitting, uploading or otherwise publishing through red - dots, any materials that interfere with anyone else s use of this site ; are abusive, illegal, indecent, obscene, offensive or threatening in any way ; encourage anyone to break the law ; violate anyone s copyright or other property right ; interfere with the privacy of any other use ; contain a virus or other harmful component ; or contain false or misleading statements of fact or descriptions of the origin of the material or the communication
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