毒性作用時間 的英文怎麼說

中文拼音 [dúxìngzuòyòngshíjiān]
毒性作用時間 英文
toxic effect time
  • 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 ...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 毒性 : [藥理學] toxicity; virulence; poisonousness毒性測定 toxicity test
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. The sulfide also has toxic effect on u. unicinctus. the time that experimental populations reach 50 % mortality shortens as the sulfide concentration increasing. and the body color changes to dark

    同時硫化物對單環刺?有顯著的毒性作用， ?蟲的半數致死時間隨硫化物濃度的升高而縮短，體色亦逐漸變深。
  2. In trpsin tolerance assay. this virus could resist to 1 % trpsis at 37 in an hour. in acid tolerance assay, this virus was resistant to ph3. 0 and ph5. 0 at 37 in 2 hours, and the average infection litre of the virus decreased little. in heat assay, at 50, the virus was processed from 5 minutes to 150 minutes and at each condition the viral virulence reduced to some certain degree. among these conditions, when at 50 in 30 minutes. the average infection litre of this virus decreased over 2 tilre. and when al 50 in an hour, cpe of ihis virus disappeared. when time was set for an hour. but with processed in different temperature as 50 60 70, 80, the virus losl the multiplication capacity complelely. in biological assay, we selected different cell lines to cultivate this virus by laking advantage of possesional cells at that time in our laboratory. then we found that fcwf cell line was the most sensitive to dxmv and mdck was the second. with f81 cell line, after passaged for 12 times continuously with low concentration of fcs. the virus could produce cpe. however, with vero cell line. the virus could not procuce any cpe after many passages. the hemagglutination and lumadsorption reaction test proved that this virus had no any reaction to erythrocyte of pig, fowl and cavy. by neutrolizaion assay, dxmv could be identified as a kind of ccv

    理化學研究表明，該病毒為rna病毒，對氯仿、乙醚敏感；胰酶試驗中，經37 、 1小時處理的病毒，仍然能夠在貓源細胞fcwf細胞上生長，並且毒力基本保持不變；耐酸性試驗中，病毒分別在ph5 . 0和ph3 . 0經37作用2小時，毒力僅下降一個滴度；耐熱性試驗中，該病毒在恆定溫度50 ，設定不同時間，從5分鐘到150分鐘，毒力均有不同程度下降，其中， 50作用30分鐘，病毒平均滴度下降2個單位； 50 ， 60分鐘， cpe消失；恆定時間1小時，設定不同溫度（ 50 - 60 - 70 - 80 ） ，病毒在細胞上完全喪失增殖能力， cpe消失。生物學試驗，利用實驗室現有條件，選擇不同的細胞系對該病毒進行培養，發現該病毒對貓源細胞fcwf最敏感； mdck細胞次之； f81細胞經多次傳代，亦可出現cpe ；而vero細胞則不敏感。血凝試驗表明，該病毒對豬、雞、人及豚鼠的紅細胞均無血凝性。
  3. The results of biological tests have demonstrated that allantoic fluid of the first passage virus did n ' t produce macroscopic pathogenic role to chicken embryos and after passaged for four times, gross lesions were observed in chicken embryo. the virus showed typical coronavirus under electron - microscope and it could n ' t form plaque in cef cells and could hemagglutinates chicken red blood cells after treatment with 1 % trypsin. to surprise, the virus replicated in cef cells also showed hemagglutination activity to chicken red blood cells. in addition, the spf chickens which inoculated with the virus isolated from the chicken damaged tissue showed clinical sign and grow lesion, but it ' s gross lesion did n ' t resemble to those of field outbreaks

    生物學特性：雞胚尿囊液經離心、磷鎢酸負染后，電鏡觀察該病毒為典型的冠狀病毒；該毒株的第一代尿囊液對雞胚無肉眼可見的致病作用，當繼代到第5代后，胚體嚴重病變；病毒在雞胚中隨著接種時間的延長，其效價增高， 96h可達到48h的2倍；該毒株可在cef上生長，但不能形成明顯的蝕斑；經1胰酶處理后可凝集雞紅細胞；雞胚的第四代尿囊液病毒回歸動物體，病死雞腎臟呈典型的花斑腎，腺胃則未見肉眼可見的病變。
  4. Spf chickens with 21 - day - old were infected subcutaneously with oil - emulsion vaccine of ibdv of germinal or cellcular and injected intramuscularly with different dosages bursin which gain through ultrafilter. lt is proved that bursin of chickens and ducks can both shorten the time of antibody induced against ibdv, raise the level of serum antibody. they make chickens obtaining strong immunocompetente in a short time. agp liters of the group of infecting 0. 4mlcbs + ibdv of germinal and 0. 8mlcbs + ibdv of cellcular or 0. 8mldbs + ibdv of germinal and cellcular are higher than immune control group about 2 liters averagely. the chickens were inoculated with ibdv live vaccine mixed with the different dosages of lyophilized bursin by the eye drop method. the results sugest that cbs or dbs of different dosages can both improve the antibody inducation to different age chickens against ibdv. they may also alleviate the immunological injury of activated virus to bursa of fabricius. and promote the repairation of the lesion. it can be found that bs can raise body weight gain and feed coversion ratio

    將超濾獲得的法氏囊活性肽分別以不同劑量肌肉注射21日齡spf雞，同時頸部皮下注射ibd胚毒或細胞毒滅活苗，結果表明：雞、鴨法氏囊活性肽都能夠縮短ibd油苗誘導產生抗體的時間，提高抗體水平，使雞可以在比較短的時間內獲得堅強的免疫。 0 . 4mlcbs胚毒組和0 . 8mlcbs細胞毒組或0 . 8mldbs胚毒和細胞毒組的agp抗體滴度平均比免疫對照組高2個滴度。將法氏囊活性肽與ibd活苗聯合免疫雞，結果表明：不同劑量的cbs和dbs都可以對不同日齡雞ibd抗體的產生有不同程度的促進作用；還可以減少弱毒對雞法氏囊組織的損傷，加快其修復。
  5. Another is that a single drug - free day is not long enough for the effect of their last smoke to have disappeared

    另一種可能性是僅僅停止吸毒一天，時間還不夠長，他們上次吸毒的作用尚未消退。
  6. At the cadmium concentration of 2. 19mg / l and 4. 37mg / l, for 72h, the na + - k + - atpase activity of kidney tissues were decreased very significantly. the higher of the concentration of cadmium or the longer of the exposure the more the enzymic activity was decreased. the na + - k + - atpase activity of gill tissues were decreased but not significantly at the low concentratioin of cadmium

    對na ~ + - k鍋離子對草魚魚種組織sod和atpase的影響及毒性研究atp酶的活性測定表明，與對照組相比， cd 》對草魚魚種鰓和腎的na k atp酶活性均有抑制作用，這種抑制作用隨著暴露時間的延長而加強。
  7. In addition, a 25 - 35 alone or allied with 17 - estrodiol was treated to investigate its toxicity and protective action of estrogen against and mechanisms of them. the objective of the study is to accumulate valuable data for researching induced differentiation of nscs and to explore new ideas and methods for treatment of ad

    3 . a日25一35對神經幹細胞的毒性及雌激素的保護作用3 . 1ap25一35和a日25一35 +雌激素作用后神經幹細胞死亡率變化加入ap25一35后，細胞死亡率明顯上升，且呈時間倚賴性。
  8. In the field of the phytoremediation of copper pollution, submerged macrophytes are focused less than the terrestrial plants. in this study, ceratophyllum demersum l. and cahomba caroliniana a. gray were used as the test plant. the following two aspects were investigated in vivo methods : 1 ) the toxicity effects of cu2 + on the three main antioxidant enzymes ( including cat, pod and sod ) of two submerged macrophytes were detected at different low doses and on the chronic exposure, in order to establish the dose - effect relationship and the time - effect relationship, and thereby acquire the toxicity threshold ; and 2 ) with two submerge macrophytes throng cultured individual or combined on the chronic exposure, it was found on the bcf of copper and the influence of interspecific relationships to the submerge macrophytes resistance or bioconcentration

    本論文以兩種大型沉水植物金魚藻（ c . demersuml . ）和水盾草（ c . carolinianaa . ）為受試植物，從它們對水體中cu ~ （ 2 + ）的生物富集作用和動態，以及cu ~ （ 2 + ）對它們體內抗氧化酶的急性毒性效應和亞急性毒性效應兩方面進行了研究： 1 ）通過體內暴露不同劑量的cu ~ （ 2 + ） ，探討cu ~ （ 2 + ）對植物體內三種主要的抗氧化物酶（ sod ， pod ， cat ）的毒理效應，建立劑量?效應關系和時間?效應關系，以揭示沉水植物對cu ~ （ 2 + ）的抗性機制； 2 ）通過對金魚藻，水盾草單獨培養和共同培養的方式，分別研究了兩種沉水植物對cu ~ （ 2 + ）的生物富集系數及其動態以及兩種植物的種間關系對富集銅和植物耐性的影響，綜合評價了兩種植物在銅污染水體的植物修復中的應用前景。
  9. Compared to the single hg2 + treated, se4 + + hg2 + the mixed exposure could restrain the fall of the activity of t ? aoc, sod and gsh ? px, reducing the level of lipid peroxidation, and alleviating membrane damage, represented with the heighten na + - k + - atpase activity and reduced mda concentration, resulting in the increased resistance to hg2 + damage. however, se4 + were incapable of preventing from the damage of hg2 + ultimately, along with the exposure period, regardless of the fact that the obvious enhancement of t - aoc and atpase activity

    混合處理后，與單一汞處理相比， se ~ （ 4 + ）在一定程度上能有效抑制汞脅迫引起的t ? aoc ， sod ， gsh ? px的降低，降低膜脂質過氧化水平，減輕了對膜的硒對汞致劍尾魚抗氧化系統的毒害和生理損傷的拮抗作用損傷，表現為隨一k + / atpase活力升高，而mda含量降低，提高了機體對hg葉毒害的抗性;但隨著染毒時間延長，硒不能最終阻止毒害的加深。
  10. Methode competence is induced in the s. pn detached from clinic and creat the come duplicaion mutants by insertion - duplication. use the real - time rt - pcr to test the expressing level of vurilence between the mutants and the wild type

    8的ctm中生長的菌作為陰性對照。分別在生長的不同時間點提取rna ，最後採用rea卜timert ? pcr來定量測定各種毒力因子mrna表達的水平。
  11. We applied single cell gel electrophoresis and cell culture technique, which constitute sing cell gel electrophoresis assay system for detecting mutagenicity to detect mutagenesis in vitro induced by animal drug quinocetone and olaquindox. and confirmed optimum lysing - time. vero cells in the period of logarithm - growth time were treated with 9. 1 ~ 273u mol / l h2o2 at 37 3h, then were lysed for lh, 2h, 3h and 4h to find optimum lysing - time

    並基於陽性致突變物h _ 2o _ 2作用於非洲綠猴腎vero細胞引起細胞dna損傷的原理，研究了其關鍵步驟-裂解時間，以9 . 1 273 mol l劑量的h _ 2o _ 2染毒處于對數生長期的vero細胞3h后，收獲細胞用於制備三明治凝膠板，分別裂解1h 、 2h 、 3h和4h並選擇最適裂解時間。
  12. The ratio of ma added to the mox fuel is studied. the neutronics characteristics of ma transmutation, and the transmutation and burning efficiency of the modular fast reactor are calculated. the role of the modular fast reactor to buffer the growing of ma in china and the reduction of radiotoxicity of nuclear waster via multiple recycling of ma in the modular fast reactor are calculated

    主要論述隨著我國壓水堆核電站裝機容量和運行堆年的增加，乏燃料中ma總量增長趨勢；模塊快堆的堆芯概念設計方案；在不改變模塊快堆堆芯設計的前提下， mox燃料中添加ma和稀土核素對堆芯中子學性能的影響以及模塊快堆的嬗變效率；模塊快堆對減少我國ma總量的作用；模塊快堆產生的最終核廢物的長期放射性毒性隨時間的變化等。
  13. Many of these treatments are messy, time consuming, have cumulative toxicities, and are not very effective, according to krueger, m. d., principal investigator for the study

    這些治療方法十分瑣碎，耗費較多時間，有毒性積累的副作用，並且對疾病沒有明顯的效果。
  14. The results showed that within the range of the dosages of exposure, the activities of brain ache and liver esterases were found to be inhibited by treatment i - iii ( fipronil - triazophos and cd2 + ), treatment iv - vi ( fipronil - - triazophos and pb2 + ), and triazophos, and the inhibitions of the enzyme increased with the concentration of these compounds, showing a statistically significant dose - response relationship, which can, therefore, be used as a practical biomarker for combined exposure of organophosphorous ( op ) insecticides and metals

    處理i一vi在24h時對ache的聯合作用基本表現為增毒作用。處理i一m和處理iv一vi對肝臟gst活性的影響趨勢基本相似， 48h時均達到誘導效應最強，隨著時間推移，表現為抑制作用。在% h時，處理v和vi對肝臟gst活性的抑制率分別為46 . 6 % 、 53 . 7 % ，明顯高於處理11和111 。
分享友人
分享到 Line

分享到臉書