毒害度 的英文怎麼說
中文拼音 [dúhàidù]
毒害度
英文
degree of intoxication-
Applause we could live forever in this physical body. yes, practically speaking we could, because god made this physical body very durable, for eternity. it is just that we damage our environment ; we damage our body by overworking, by poisoning it with different kinds of intoxicants, and overtiring it with unnecessary activities and wearing out the mind by all kinds of nonsensical schemes and plans and negative thinking
事實上我們可以永遠活在這個肉體裏面,我們真的可以,因為上帝把這個肉體做得很耐用,可以活到永遠,只是我們破壞了自己的環境,而且工作過度破壞了身體,用各種不同的酒和麻藥毒害它,用不必要的活動過度勞累我們的身體,又用各種沒有意義的權謀計劃和否定思想耗損我們的頭腦。When molybdenum is deficient, nitrate may accumulate to a toxic level in the plant.
當鉬不足時,硝酸鹽會積累在植物中達到毒害的程度。Many studies have been carried out on the toxicity of pollutants to aquatic animals, most of them are focused on the information of lethal concentrations, few have concerned the effects of sublethal concentration on the metabolism conditions
在污染物對於水生生物的毒害作用方面已經進行了大量的研究,但是大多為毒物致死濃度方面的報道,而關于在亞致死濃度時它們對于機體的生理影響卻很少報道。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) 。The antioxidant abilities of protective enzymes were enhanced in restricted range by hg2 + stress in the early period and the lower concentrations, which were weaken because of the further exposure, especially in liver
抗氧化酶系統在受到低濃度及染毒初期的一定限度內能被誘導而加強,但隨著重金屬毒害加深而減弱,尤其是肝組織。One is the accumulation of the solute osmo - protectants, the other is the mechanisms of ion homeostasis including na + extrusion system and na + compartmentation into the vacuolar to reduce the toxic effects of this cation
一方面增加細胞內可溶性物質,另一方面則通過na ~ +外排或na ~ +區隔化機制來維持胞質內較低的na ~ +濃度,以消除na ~ +的毒害。The variety of the activity of na + / k + - atpase, ca2 + - atpase and sod by increase calcium concentration in the water, and the effects of cd2 +, estradiol - 17 and ca2 + on the lymphocyte proliferation from blood and head kidney of ctenopharyngodon idellus were also investigated the significance of this paper is that to research the toxicity of cadmium to the fish and to search the mechanism of the cadmium toxicity to the fish. and the protection of calcium on cd2 + toxicity
本論文研究了鎘對草魚的毒性作用,比較了在不同鈣濃度條件下,其鰓、肝臟、腦等組織中sod 、 na ~ + k ~ + ? atp酶、 ca ~ ( 2 + ) ? atp酶的活性變化規律以及鎘和17 ?雌二醇對草魚血液及頭腎淋巴細胞增殖的影響,評價鎘對魚類的毒害作用,探索鎘的毒害機理。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 propagules of b. gymnorrhiza and a. corniculatum undergo some growth before becoming detached from the parent plant. they accumulated large amounts of ions during the development while the level of ion concentrations are consistently lower in their embryos compared to leaves of parent plant. before detachment, the growth of hypocotyls were reduced, the water content declined, while the osmotic potential was approaching to or more negative than that of the solution on which their parent plant vegetating
另一方面維持較大比例的有機滲透調節劑,控制細胞液中鹽離子的水平以減少代謝毒害;木欖成熟胚軸的密度接近或低於生境中海水的密度,適于隨水漂浮和傳播;胚軸內離子濃度呈下降趨勢,但最終以達到和母樹生境中的離子濃度水平相一致為目標。The soil is major natural resources which is indispensable to humanity, also, it is the vital component of environment and the basement of community
摘要當土壤砷含量達到一定濃度時,會對作物產生一定的毒害作用。In this paper, kandelia candel ( l. ) druce hypocotyls were cultivated in sand and treated with 15 % seawater for 60 days under laboratory conditions. the influence of increasing concentrations of napthalene and pyrene ( 0, 0. 1, 1 and 10mg / l ) on hypocotyl germination and growth, photosynthesis metabolism, water metabolism and membrane protection system were observed to inquire into the ecophysiological responses of mangrove k. candel to pahs phytotoxicity. moreover, the concentration and distribution of parent polycyclic aromatic hydrocarbons ( pah ' s ) in surface sediment, underground root and leaf residue of mangroves in jiulong river estuary ( fugong, north and south shores of haimen island, baijiao ), neighbouring xiamen western harbour ( dong islet ) and dongzui harbour ( fenglin ) were examined
在實驗室條件下,分別以0 . 1 、 1和10mg l的萘( nap )和芘( pyr ) 3個梯度濃度組級砂基培養秋茄( kandeliacandel ( l . ) druce )幼苗,培養基鹽度15 ,培養期60d ,以不加pahs為對照,分析了nap和pyr對紅樹植物秋茄幼苗的生長、光合代謝、水分代謝以及膜保護系統的影響,探討pahs對紅樹植物秋茄的的生理生態效應及植物性毒害( phytotoxicity )的機理。While the correct answer rates for the harm of drug abuse and correct attitude rates towards ban on drug use were rather high, there were still a considerable proportion of students did not consider it necessary to be far away from illegal drug, did not hate the illegal drug traders, did not regard illegal drug traffic as a crime, dared not to expose illegal drug trader, even had had drug themselves
對毒品危害答對率及對禁毒態度回答正確率雖不低,但深入分析仍有3 . 09 %沒有認識到必須遠離毒品, 2 . 18 %不認為販毒是犯罪行為, 4 . 43 %對毒販不憎恨, 10 . 13 %不敢舉報販毒者, 6 . 07 %對偷種罌栗犯法缺乏認識,有2名學生服過「冰毒」 , 7名學生曾被朋友勸說吸毒。Effects of cd on growth, photochmecal efficiency, chlorophyll content and net photosynthesis of canna indica linn and rumex acetosa l were studied so that the theoretical basis of phytoremediation of pollution by cd could be provided
)為實驗材料,研究cd脅迫對美人蕉和酸模的生長、光化學效率、葉綠素含量以及凈光合強度等生理指標的影響,探討cd對高等植物的毒害效應,以期為重金屬cd污染的植物修復技術提供理論依據。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。Resistance ability from endogenous protective enzyme systems in the plants was enhanced by heavy metal stress inducement in restricted range, while defence reaction crippled as the aggravation of the damage
植物內源保護系統的保護作用受到脅迫后在一定限度內能被誘導加強,防禦反應隨著重金屬離子毒害程度的加重而減弱。When the concentration is low, 0 - 6 mg / kg, the content of cadmium in the root of alfalfa is lower than in the stern and leaf, but two times higher than the forage hugiene standard of our country. when the concentration is higher than 10mg / kg, the content of cadmium in the root is 20 times higher than the standard, but the content of cadmium in the soil decreased obviously, so alfalfa of this condition is the best alternative for renovating polluted soil. when 200mg / kg znic is added, the poison of cadmium is decreased dramatically with the grow time increasing, the cadmium effect on living number decreased
盆栽試驗中鎘對紫花苜蓿的出苗率、根、莖的生物量的影響與種子的萌發呈現同一規律;鎘在紫花苜蓿體內的含量也與土壤中鎘濃度有關:低濃度0 ? 6mg kg時,紫花苜蓿根部的鎘含量低於莖、葉中的鎘含量,但己超出我國飼料衛生標準2倍,濃度大於10mg / kg時,根部的鎘含量比飼料衛生標準高出20倍,而土壤中鎘含量大大降低,所以此時的紫花苜蓿是修復鎘污染土壤的較好的植物;當加200mg kg鋅后,鎘的毒害作用明顯減小,隨著生長時間的增長,生物量受鎘的影響也在減小,同時紫花苜蓿體內的鎘含量大幅度降低,有些己降到飼料標準以下。It has passed iso9001 quality system authentication in 2001 and executed api, 5l. api, 5ci authentication in 2003
材質: hd . pe hd high density高密度pe為製造塑料食用器具的材料,對人體及環境無毒害。The study mainly introduced some aspets as follow : the reduction of the soil acidity, the eli mination of toxicity of al, fe and mn to the root system, the improvement on acidic soil, the effect on crops yield, as well as the agricultural application of lime in home and abroad and the calculational methods of the required quantity of acidic soil in application
摘要主要介紹了生石灰降低土壤酸度、消除鋁鐵錳對根系毒害作用、對酸性土壤的改良作用、對作物產量的影響等方面,以及生石灰在農業生產上的國內外應用情況和酸性土壤施用生石灰需要量的計算方法。Current school culture is seriously impacted by " standardization " of industrialized society. it makes school culture that should have been full of vigor and variety a standardized culture that just seek for efficiency, quantity and speed
現時的學校文化深受工業社會「標準化」之毒害,使本擁有生命豐富多彩性的學校文化濃縮為追求效率、數量和速度的「標準文化」 。It meaned that simulated acid rain made the toxic effects of zn or cd on growth of the plants more serious. the fresh weights and chlorophyll contents of phaseolus vulgaris l were the highest when ph value of acid rain was 4. 5, zn concentration was 60 mg / kg, and or cd concentration was 0. 5 mg / kg. this showed that lower acidity of simulated acid rain and lower concentrations of zn or cd could promote growth of the plants
本試驗中,酸雨加zn或者酸雨加cd使小白菜鮮重小於單一污染處理,說明酸雨增加了zn 、 cd對小白菜的毒害作用;而當酸雨ph值為4 . 5 、 zn濃度為20mg / kg或cd濃度為0 . 5mg / kg時,四季豆鮮重達到最大值,這表明低強度的酸雨和低濃度的zn 、 cd促進四季豆的生長。分享友人