chronic toxicity 中文意思是什麼

chronic toxicity 解釋
慢性中毒
  • chronic : adj. 1. 慢性的；長期的；積習成癖的。2. 〈英俚〉劇烈的，（天氣等）惡劣的。n. 慢性病人。adv. -ically 慢性地，不斷地。
  • toxicity : 動脈穿壁封閉預
  1. Standard guide for conducting acute, chronic, and life - cycle aquatic toxicity tests with polychaetous annelids

    用多毛綱環節動物做劇烈的慢性的及壽命周期水生動物毒性試驗的標準指南
  2. The chronic toxicity of four kinds of phonetic compounds to daphnia mugua straus was determined. the relationship of the structure and effect of the compounds were discussed by the chronic results. the results show that all the compounds we measured have effects on the reproduction of the daphnia magua straus

    烷基酚化合物對四種水生生物的毒性機制主要與脂水分配系數相關，為通透生物膜產生毒性的非反應性毒性，而氯代酚對四種水生生物的毒性機制一方面和logp有關的，另一方面是和電子效應相關的反應性毒性。
  3. In this paper two - generation reproduction toxicity of fenvalerate, a - cypermethrin, chlorpyrifos, and triazophos was tested in a 21d period with water flea, daphnia magna, . the toxicity indicator included longevity, body length, days to first brood, days to first pregnancy, number of youth per female, intrinsic rate of natural increase ( r ), and number of broods per female. accordingly, the dose - response relations and relations between the chronic responses and enzyme levels were investigated

    為了確定水蚤體內生化指標與慢性毒害效應之間的關系，特別是在低濃度暴露狀態下生化指標改變的生物學意義，以便能更準確預測早期農藥對水蚤種群的潛在危害，本文以浙江省常用殺蟲劑氰戊菊酯、高效氯氰菊酯、三唑磷和毒死蜱進行了大型蚤（ d . magna ）的急性和慢性毒性試驗（包括子代水蚤的恢復試驗） 。
  4. Water quality - determination of chronic toxicity to ceriodaphnia dubia in 7 days - population growth inhibition test

    水質. 7天內對網紋水蚤屬dubia慢性毒性的測定.種群生長抑制試驗
  5. Water quality - determination of chronic toxicity to daphnia magna strauss in 7 days - simplified population growth inhibition test

    水質. 7天內對蚤狀水蚤屬magna strauss慢性毒性的測定.種群生長抑制簡化試驗
  6. Aflatoxin can cause both acute and chronic toxicity in animals. effects such as acute liver damage, liver cirrhosis, induction of tumours and teratogenic and other genetic effects are well documented

    黃麴黴毒素可引致動物急性及慢性中毒，其影響包括急性肝臟受損肝硬化引起腫瘤形成畸胎及其他遺傳影響。
  7. 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。
  8. Objective to research for chronic toxicity of chen xiang lu bai lu capsule

    摘要目的研究陳香露白露膠囊長期服用的毒性。
  9. Soil quality - biological methods - chronic toxicity in higher plants

    土質.生物方法.高等植物的慢性毒性
  10. Soil quality - biological methods - chronic toxicity in higher plants iso 22030 : 2005

    土質.生物方法.高等植物的慢性毒性
  11. But it was rarely studied on the effects dependant on the low exposure concentration and the chronic toxicity to antioxidant enzymes

    目前國內外對重金屬的植物修復方面的研究重點是陸生和挺水超積累植物，對沉水植物的作用很少研究。
  12. Chronic toxicity and carcinogencity study

    慢性毒性和致癌試驗
  13. Chronic toxicity and carcinogencity tests

    慢性毒性和致癌試驗
  14. Water quality - determination of chronic toxicity to brachionus calyciflorus in 48 h - population growth inhibition test

    水質. 48小時內對brachionus calyciflorus慢性毒性的測定.種群生長抑制試驗
  15. The results showed that the interaction between selenium and mercury in rats mostly is the antagonism on the both acute toxicity tests and sub - chronic ones. liver, kidney, gland, heart, spleen, lungs, stomach and testis of rats are the target organs of mercury, selenium and their joint poison. and liver, kidney and spleen are three most important target organs

    研究結果表明，大鼠體內硒與汞的急性和亞慢性相互作用主要表現為拮抗作用；大鼠肝臟、腎臟、胸腺、心臟、脾、肺、胃和睪丸等組織器官都是硒、汞及其聯合毒物的靶器官，其中肝臟、腎臟、脾臟是三個主要靶器官；肝臟中汞與硒的含量呈高度正相關，腎臟中汞與硒的含量呈負相關，但相關性不甚好。
  16. In the sub - chronic toxicity tests, 140 rats were divided into seven groups ( 10 male and 10 female per group ) randomly

    將140隻wistar大鼠隨機分為7組，每組20隻，雌雄各半。
  17. Aflatoxin belongs to a group of fungal toxins known as mycotoxins, and is widespread in agricultural products and food. aflatoxin is associated with both acute and chronic toxicity in animals and humans including acute liver damage, liver cirrhosis, and liver cancers. chronic toxicity associated with ingestion of low dose aflatoxin in peanuts, cereals and other at risk items are of greater concern

    黃麴黴毒素是泛指一些由真菌產生的毒素，它廣泛存在於農作物及食物中，黃麴黴毒素可引致動物及人類產生急性及慢性中毒，其影響包括急性肝臟受損肝硬化及腫瘤，長期從花生穀物及其他相關的食物中攝取少量的黃麴黴毒素而引發之慢性毒害較令人關注。
  18. Cadmium is a heavy metal with obvious chronic toxicity and is mast sensitive to genital system

    摘要鎘是一種具有慢性毒害的重金屬，生殖系統對其毒性最敏感。
  19. The research areas focus on the toxic effects of chemicals on animals and their mechanism, relationships between pollutions and occurrence and development of important chronic diseases, biomarker used to monitor toxicity of chemicals and to assess the risks

    運用分子生物學等技術，研究化學污染物對動物的毒性效應和機制，揭示化學污染與人類重大疾病發生發展的關系及其機理，探討生物標志物在化學物毒性檢測和風險評價中的應用
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