生物效應比 的英文怎麼說

中文拼音 [shēngxiàoyīng]
生物效應比 英文
biological effect ratio
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 生物 : living things; living beings; organisms; bios (pl bioi bioses); biont; thing; life生物材料 biol...
  • 效應 : [物理學] effect; action; influence
  1. 1. ecological effects of long - term organophasphate pesticides contamination on soil microflora the long - term effects of organophosphate pesticides contamination on soil microflora were investigated in the present study. little difference in total counts of bacteria, actinomycetes and fungi was observed between the contaminated and the non - contaminated soil. compared with the control there were a slight decrease in total counts of free - living nitrogen - fixer and denitrifying bacteria and a significant increase in those of ammonifying and ammonia - oxidizing and nitrifying _ bacteria in the methylparathion contaminated soil

    一、甲基對硫磷長期污染對土壤微態學研究了有機磷農藥甲基對硫磷長期污染對土壤微的影響,實驗表明:土壤細菌、放線菌、真菌總的數量影響不大;自固氮菌和反硝化細菌數量減少;氨化細菌、亞硝化細菌、硝化細菌的數量在污染土壤中卻有所增加;與對照土壤相,污染土壤呼吸作用下降了29 . 93 ;氨化作用和硝化作用強度得到增強。
  2. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理,本文通過對不同淬火溫度,回火溫度,回火時間下的力學性能指標的對及顯微分析,認為微合金元素的細化晶粒,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌化情況,特別是由於微合金元素的存在,其細化晶粒及其碳氮化的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化,會在硬度曲線中產明顯的二次硬化現象。
  3. These findings should be considered in evaluating the risk ? benefit ratio of treatment with ergot derivatives

    在評估使用麥角?進行治療的風險-率時考慮到這一點。
  4. In order to solve this problem, we find a kind of herbages plant - sabaigrass ( eulaliopsis binata ) which not only can accommodate the badly environment of purple soil but also have excellent water and soil conservation effect and good economic benefit. this study adopt quantitative and qualitative methods, through comparative study of four different utilization types : sabaigrass treatment, grass tree solid plating treatment ( planting sabaigrass under fruit trees treatment ), bare land treatment, natural wild grassland treatment, study water and soil conservation effect, soil water condition, soil constructors condition, soil fertility condition and soil surface temperature, then evaluated the water and soil conservation effect of plating sabaigrass in purple soil bare sloping field and probed into water and soil conservation mechanism. the main results are as follows : 1

    本研究針對湖南省衡邵盆地紫色巖地區日益惡劣的態環境,從紫色土荒坡地水土流失治理入手,在尋求出既適紫色土荒坡地惡劣環境又有良好水土保持作用和一定經濟的作? ?龍須草的基礎上,用定性和定量相結合的方法,以「龍須草純種」 、 「龍須草與果樹立體種植」 (簡稱林草立體種植,下同) 、 「空曠地」 、 「自然野雜草地」四種不同的土地利用方式進行對研究,從水土保持、土壤水文狀況、土壤結構、土壤肥力狀況、地表溫度狀況等方面分析、評價紫色土荒坡地種植龍須草防治水土流失的,並對其機理進行了初步探討,主要研究結果如下: 1
  5. Carbon nanotube ( cnts ), as a kind of nano material, can produce special catalytic action to some materials because of its small particle diameter and large surface area

    碳納米管作為一種納米材料,由於小粒徑、大表面積,可對某些質的電化學行為產特有的催化,常用於酶傳感器的構建。
  6. According to the environment features inside and outside caves in guizhou and current development of cave creature study home and abroad, making use of karstology, environment science, ecology, zoology and the theory of human - land relation, and through combining microscale with macroscale, component with system, field investigation with interview, and theory with experiment, the author chooses guiyang, anshun, pingba and honglin, where human activities are frequent and strong, to make a macroscopical investigation on animals and environment, and selects some typical caves in honglin to make a comparison study on environment features inside and outside the caves, biodiversity and present situation of plant society, and adaptability of cave animals to environment, and analyzes theoretically the effects of human activities on the cave animals and evaluates objectively the development potential of cave animal resource

    根據貴州喀斯特洞內外環境和國內外洞穴動研究現狀,運用喀斯特學、環境學、態學、動學以及人地關系等相關理論,採取點面結合,特殊與一般結合,系統與要素結合,實查與訪問結合,理論與實驗結合的方法,選擇貴陽、安順、平壩、紅林等人類活動強度大的區域進行面上動和環境的調查,選擇紅林地區代表性的洞穴對洞內外環境、種多樣性及群落現狀、動對環境的適等進行對研究,理論分析人類活動對洞穴動的影響和客觀評判人類活動的洞穴動與動開發潛力。
  7. The growth of f - 16 and the production of enzyme were affected by microbial medium, including c source, n source, mineral, initial ph of medium, rotating rate, culture time and culture temperature. the results showed that the optimal n sources were peptone, corn steep liquor and yeast extract ; the optimal c sources were sucrose, glucose and maltose ; the optimal minerals were mgso4 7h2o, khpcu and cuso4 5h2o

    實驗表明,氮源中蛋白腖、玉米漿、酵母粉較好;碳源中蔗糖、葡萄糖、麥芽糖這三種糖對產酶和量提高果顯著;無機鹽中mgso _ 4 ? 7h _ 2o , k _ 2hpo _ 4 , cuso _ 4 ? 5h _ 2o對產酯酶的酶活及其反后所得水解液的光學純度有較好的作用。
  8. In the present study, a compartment cultivation system and histochemical staining were used to investigate the influence of soil available p level, plant p status and soil organic p on the growth and metabolic activity of am fungi. differences in metabolic activity among am fungal isolates and the relationship between metabolic activity and mycorrhizal effectiveness were al so investigated. in addition, am fungi from a wide range of environmental conditions ( originally isolated from north, central and south china ) were used to study the ecological adaptability of am fungi and the influence of edaphic conditions on am fungal growth and metabolic activity

    本研究採用分室根箱、組織化學等手段研究了土壤施磷水平、植磷營養狀況、土壤有機磷對am真菌長和代謝活性的影響;不同am真菌的代謝活性及其與菌根之間的關系,並對我國華北、華中和華南地區篩選出的高菌株進行了態適性的較,以期在理論上闡述宿主植長狀況及土壤條件對菌根真菌長和代謝活性的調控機制,篩選出具有廣泛態適性的am菌株。
  9. Comparative study on biological effect of different electrostatic field treatments on soybean

    不同靜電場處理方式對大豆較研究
  10. This paper evade the unilateral of previously study at urban heat island effect, doing from a widespread angles, used the thinking and method of engineering thermal physics, study and expound the cause of the urban heat island effect

    本文避開以往熱島研究論文的片面性,從更廣泛的角度著手,用工程熱理學的研究思想和方法,對城市熱島的產和發展原因做了較系統的研究和論述。
  11. Laboratory culture experiment with the same treatments as pot experiment but without plant was carried out synchronously under constant temperature ( 25 ? ? ) and 20 % soil moisture. to study the influence of inhibitors on the dynamic process of transformation and variation of availability of cd in soil, laboratory cultured soil was sampled in certain interval during the 128 - day cultured period for the analysis of cd availability and speciation. in adsorption - desorption experiment, the tested soil had fistly been cultured under constant temperature ( 25 1 ) and 20 % soil moisture for two months after the treatment according to the designed plan, then isothermal adsorption - desorption experiment was proceeded when the reaction between inhibitor and soil tended to be stable

    石灰施用量對植株吸收鍋有顯著影響,植株各部位鍋含量k )與石灰添加量… , )的關系可以很好地用方程y叫( ax斗bx化)描述,石灰對植株鍋累積的調控存在一個最佳抑制劑量,低於或高於這一劑量均不能達到最佳抑制果,但對于不同植株部位和不同污染水平,最佳抑制劑量不同;低用量下,單位石灰添加量對植株吸收鍋的抑制作用高用量時大,因此若綜合考慮調控劑的施用成本及其對量的影響,則在本試驗條件下以施用石灰0
  12. With the purpose of better understanding some weak links in this subject, we comprehensively and systematically compared the effects of some typical inhibitors and their different combined ways in inhibiting cd bioavailability in purple soil, further studied the laws and affecting factors of cd ' s transfer and transformation in soil - plant system, revealed the mechanisms inhibitors function, and explored the practicable inhibitor prescriptions and their usage. the results are expected to provide reliable techniques for controlling cd pollution of agricultural soils in chongqing and it is also significant to ameliorate soils polluted by other kinds of heavy metals. comprehensive methods including pot experiment, laboratory culture experiment, kinetic and thermodynamic adsorption - desorption experiment were adopted in this study, and the acidified purple soil was chosen to test, considering that cd is highly active in this soil

    本研究針對重慶市農業土壤的污染狀況,選取鎘活性較高的酸化紫色土為供試土壤,採用盆栽試驗、培養試驗、化學熱力學與動力學吸附試驗相結合的方法,系統研究和較多種調控劑及其不同組合方式對鎘活性的,並揭示鎘在土壤?植系統中的遷移轉化規律及影響因素,進一步分析調控劑的作用機理,探尋具有實際用價值的調控劑配方及合理使用的方法,這不僅可以為重慶市農業土壤鎘污染的防治提供可靠的技術保障,而且對于其它重金屬污染的治理也有一定的理論意義。
  13. The private and near public water - goods are provided wholly or partly by market under the encouraging measures of the government in order to ease the government revenue burdens. the rational allocation of water - funds means the maximum benefits of the economy, of the society, of the ecology in order to meet the many - faceted demands

    水利資金合理配置必須追逐經濟益、社會益和益的最優化,以滿足社會經濟發展對水利品的多方面需要,因而堅持社會、經濟和益原則,進行權衡較,決定配置規模和配置結構。
  14. Moreover, it is suggested to focus the production adjustment policy on the conversion of farmland in the non - primary - rice - producing areas and to choose proper crops to substitute for rice according to the characteristics of areas

    此外,由於稻作收入及地租與產調整率呈反向關系,表示產調整在稻米主產地及良質米產地推行不易,因此產調整著重在非稻米主產地,並根據地區特性,研擬適當的轉作作,才能有解決稻米供需失調的問題。
  15. The comparative advantages to develop inner mongolia beef cattle industry are the price, non - pollutions and vast grasslands etc. the disadvantages are as follows : be short of specific beef - cattle kind ; individual productivity ability ; meat nature promoting slowly ; raises method and management standard being fairly backward ; butcher, process, circulate, and the link aspect receives the technology restriction unfavorably factors such as serious etc. the suggestions for development of beef industry in inner mongolia are as follows : strengthening the bioengineering technology and setting up the inner mongolia beef cattle breeds system ; quickening the breed cultivating ; optimizing the breed structure ; effectively increasing the safe forage supplies ; strengthening epidemic disease prevention ; curing quarantining work ; developing the nutrition hygiene " green food " ; changing traditional raising method ; raising the management standard, and carrying on scope production

    發展內蒙古肉牛業具有價格、無污染、草原廣闊等優勢,但存在著專有肉用牛品種缺乏、個體產性能和肉質提升緩慢、飼養方式和管理水平較落後、屠宰、加工和流通環節方面受技術制約嚴重等不利因素,因此,要利用工程技術,建立內蒙古肉牛繁育體系,加快品種培育,優化品種結構;有地增加安全飼料供;強化疫病防治和檢疫工作,發展營養衛「綠色食品」 ;轉變傳統飼養方式,提高飼養管理水平,進行規模化產;重視開拓農村市場,促進內蒙古肉牛業發展。
  16. Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide

    在固定床二級催化裂化反器上,實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程,並對裂化溫度( 650 950 ) 、氣相停留時間( 0 . 5 1s )和催化劑類型等過程參數對焦油轉化果和熱解煤氣的影響進行了分析,對各種催化劑材料的性能進行了較,力爭開發出可適用於工業化質氣化系統的焦油催化裂化技術。
  17. For example, the sulfonated and sulfomethlated materials and their derivatives have satisfactorily undergone tests as drilling mud thinners, and the results are comparable to those obtained with commercial mud thinners

    如,將磺化質、磺甲基化質及其衍作為鉆井泥漿稀料進行測試,果令人滿意,其果可以同商業泥漿稀料相媲美。
  18. For example, the suffocated and sulfomethlated materials and their derivatives have satisfactorily undergone tests as drilling mud thinners, and the results are comparable to those obtained with commercial mud thinners

    如,將磺化質、磺甲基化質及其衍作為鉆井泥漿稀料進行測試,果令人滿意,其果可以同商業泥漿稀料相媲美。
  19. Quantitative structure - activity relationship is a method building a statistical model. the model can quantificationally predict structure - activity relationship of molecule, and bioactivity of new molecules can be known. structure of molecule, which is described by parameters in physical chemistry, biochemistry and quantum chemistry, includes functional group, minor structure, molecular fragment, chemical composition

    本文提出了一種定量構關系的處理方法,即用支持向量回歸方法解決定量構關系,並且用這種方法預測了芳香烴化合降解度與喜樹堿化合抗腫瘤活性,取得了較令人滿意的結果。
  20. Abstract : by using the self - regulating electrostatic drying equipment, theelectrostatic drying for plant leaves is studied. the equipment is a surface silent discharge ozone generator. the electrostatic drying and natural drying are compared experimentally. the result shows that the electrostatic field is more effective for plant drying. the polarity characteristics of the electrostatic drying is discovered during the experiment and discussed. for accelerating drying, the polarity characteristics should be considered in the drying equipment design

    文摘:在自製的沿面式無聲放電臭氧發裝置上,對植葉片進行了乾燥實驗.通過對植靜電乾燥和自然乾燥的較,證實靜電場對植有明顯的乾燥果.發現了靜電乾燥中的極性,即當管狀電極的極性為負時,乾燥速度較快.對極性進行了探討和分析.實驗結果表明:沿面式無聲放電臭氧發裝置可以有地對植進行靜電乾燥.研究結果對有地利用靜電乾燥和極性來合理設計靜電乾燥裝置的結構具有重要意義
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