篩選效應 的英文怎麼說

中文拼音 [shāixuǎnxiàoyīng]
篩選效應 英文
sieve effect
  • 篩 : 名詞[書面語] （植物名） sedge
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 篩選 : dressing by screening; screen; preparation by screening; preparation; choose by means of a sift; ...
  • 效應 : [物理學] effect; action; influence
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  2. Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features

    本文首先介紹了情感語音數據庫的建立情況，然後研究了基音頻率、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用，並且通過一種基於模糊熵的特徵有效性分析方法進行了有效特徵的篩選，應用人工神經網路建立了初步的語音情感識別模型，經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。
  3. It has been 40 years since dobereiner and ruschel isolated the nitrogen - fixing bacteria from the rhizosphere of sugarcance plants and demonstrated the potential of diazotrophs to associate with graminaceous plants. more recent evidence of significant biological nitrogen fixation in economical important graminous species, particularly sugar cane, rice and forage grasses, has induced tremendous interest in ni fixation by non - legumes

    本研究分離、篩選得到一株固氮酶活性高且穩定，生長勢強的聯合固氮菌株，並對其分類地位、形態及生理特徵、對環境的適應性及其對植物的促生效果和作用機理作了系統研究，得結果如下。
  4. This paper summarized the main endpoints and special sensitive indices of fish in the study of endocrine disruption, and introduced the main biological characteristics of several fish species such as chinese rare minnow, zebrafish, medaka, guppy, swordtail fish and fathead minnow, and their use in screening, detecting and assessment for endocrine disruptors

    本文主要綜述了利用魚類進行內分泌干擾研究的主要測試終點和敏感效應指標；重點介紹了稀有鮑鯽、斑馬魚、日本青? 、孔雀魚、劍尾魚、黑頭軟口鰷等魚類的主要生物學特性，以及利用它們進行內分泌干擾物的篩選與測試方面的研究成果。
  5. The cost - effectiveness of psa is comparable to other cancer screening tests

    其經濟效應與其它癌癥篩選檢查相同。
  6. 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、植物磷營養狀況、土壤有機磷對am真菌生長和代謝活性的影響；不同am真菌的代謝活性及其與菌根效應之間的關系，並對我國華北、華中和華南地區篩選出的高效菌株進行了生態適應性的比較，以期在理論上闡述宿主植物生長狀況及土壤條件對菌根真菌生長和代謝活性的調控機制，篩選出具有廣泛生態適應性的am菌株。
  7. But the previous research works mainly focused on the screening of environment persistent pollutants, such as organochlorine insecticides and alkylphenol, to our knowledge, no report on the residual toxicity and environmental estrogens effects has been existed in the literature yet

    但目前為止，主要集中於環境中持久性有機污染物如有機氯農藥和烷基酚類化合物的篩選上，而我國是農業大國，大量地使用了有機磷農藥，其殘留毒性及環境雌激素效應的研究還尚未見報道。
  8. In this paper, we selected a widely used organophosphorous pesticide - - monocrotophos, used goldfish as model animal, and chose the vitellogenin induction of male fish as the main indicator, - gtp of sertoli cell in testes, the changes of microstructures of testis and ultrastructures of pituitary and testis as assistant indicators, we finally built up a screening system to effectively detect the environmental estrogen effect of organophosphorous pesticides, and reported that the monocrotophos had the activity of environmental estrogen for the first time in the world

    因此，本文選擇國內廣泛使用的有機磷農藥? ?久效磷，以金魚為模型生物，以雄性金魚卵黃原蛋白產生、精巢支持細胞- gtp酶活性，並輔以生殖軸線器官? ?垂體和精巢超微結構的變化，在國內首先建立了有機磷農藥環境雌激素效應的篩選體系，並首次確認久效磷具有環境雌激素活性。
  9. Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information

    本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。
  10. Gardner defines intelligence as an ability to solve problems or create products that are valued in at least one or more culture settings. his view of intelligence suggests that all people possess at least eight different intelligences which operate in varying degrees. these intelligences as identified by gardner include linguistic intelligence, logical / mathematical intelligence, spatial intelligence, musical intelligence, bodily / kinesthetic intelligence, interpersonal intelligence, intrapersonal intelligence and naturalist intelligence

    加德納將智力定義為在特定的文化背景下或社會中，解決問題或製造有效產品的能力，他根據「智力選擇依據系統」 ，經過嚴格論證篩選，提出人類智力至少應包括：語言智能、數學邏輯智能、空間智能、身體運動智能、音樂智能、人際關系智能、自我認識智能和自然觀察智能等8種智能。
  11. In light of the problems of aggravated soil erosion and litho - desertification of the karst regions in northwest guangxi as a result of degradation of forest ecosystems, six " grain - for - green " models ( five models of artificial afforestation or grass planting, and one model of desertation for natural vegetation restoration ) were screened out for quick restoration of vegetations in the regions and evaluated for their respective ecological effect

    摘要針對桂西北喀斯特地區森林生態系統退化造成的水土流失加劇以及石漠化嚴重的現狀，篩選適合該地區植被快速恢復的5種人工造林（草）方式和自然拋荒恢復模式，分析評價各種模式的生態效應。
  12. In order to choose the plants that were hypertolerant to heavy metals and for the case of phytoremediation of soils that were polluted by heavy metals, the research was carried out by the methods of soil - planting and sand - planting in green - house. the study includes selecting the hypertolerant plants from 36 dominant species found in the vicinity of a pb / zn mine tailings pond, observing the ecophysiological response of the hyperaccumulators, improving - impact of hyperaccumulators on biosolds and examining the effect of nutrient elements ( n p k ) on the lead uptake

    為選擇和篩選富集重金屬或對重金屬具有耐性的植物，以達到利用植物修復重金屬污染土壤的目的，本研究通過溫室砂培和土培的方法，對生長于鉛鋅尾礦區的36種植物進行了篩選，研究了富集植物品種對重金屬pb的生理生態效應、對重金屬pb的吸收和耐性以及對污泥的響應，並探討了土壤中的營養元素n 、 p 、 k對植物吸收pb的影響，為植物修復工作提供理論依據。
  13. The strain cs - js - 16 was gained in these regeneration colonies of cordyceps sinesis ( berk. )

    該篩選模型首次應用於蟲草腺苷高產菌株的篩選，可提高篩選效率。
  14. Abstract : plant responses to salt stress via a complex mechanism, including sensing and transducing the stress signal, activating the transcription factors and the corresponding metabolizing genes. since the whole mechanism is still unclear, this review emphasize the biochemical events during the plant adaptation to salt stress referring to an index of importance : the homeostasis in cytoplasm, the biosynthesis of osmolytes and the transport of water. most of these biochemical events were elucidated by study of halophyte and salt - sensitive mutations, also many important genes involved were cloned and used to generate stress - tolerance phenotypes in transgenic plants. on the other hand, about the molecular mechanism in signal transduction, the research of arabidopsis mutations and yeast functional complementation provided helpful traces but not full pathway

    摘要植物對鹽脅迫的耐受反應是個復雜的過程，在分子水平上它包括對外界鹽信號的感應和傳遞，特異轉錄因子的激活和下游控制生理生化應答的效應基因的表達.在生化應答中，本文著重討論負責維持和重建離子平衡的膜轉運蛋白、滲調劑的生物合成和功能及水分控制.這些生理生化應答最終使得液泡中離子濃度升高和滲調劑在胞質中積累.近年來，通過對各種鹽生植物或鹽敏感突變株的研究，闡明了許多鹽應答的離子轉運途徑、水通道和物種特異的滲調劑代謝途徑，克隆了其相關基因並能在轉基因淡水植物中產生耐鹽表型;另一方面，在擬南芥突變體及利用酵母鹽敏感突變株功能互補篩選得到一些編碼信號傳遞蛋白的基因，這些都有助於闡明植物鹽脅迫應答的分子機制。
  15. Rapid screening test methods for thermal sensitive parameter of mos field effect transistor

    Mos場效應晶體管熱敏參數快速篩選試驗方法
  16. Biodiversity exists among am fungi and is influenced by numerous factors including soil properties and plant species. if am fungi are to be used in sustainable agricultural systems it is necessary to study native am fungi in the target areas and then select efficient isolates that can be applied as inocula in the field to improve crop growth. the objectives of this study were to investigate the germplasm of am fungi, to understand the distribution pattern of am fungi in different ecological conditions such as area, soil factor and host plant, to select isolates effective in nutrient acquisition by the host plant sweet potato, to test their effectiveness under field conditions, and to monitor amf after their introduction into the field

    本研究通過調查我國北方部分地區的am真菌資源，研究了am真菌的種群組成及其在空間、土壤利用方式和宿主植物類型等不同環境條件和空間尺度上的分佈規律；在此基礎上，根據它們對甘薯的生長、吸磷效應篩選出高效菌株，在大田條件下研究了am真菌菌絲的分佈特性、代謝活性及其對甘薯產量和品質的影響；並通過分子探針跟蹤調查了引入am真菌在共生體中的發育和表達，以期為菌根真菌的生產應用提供技術支持。
  17. Section 1 studies the standard of efficiency of eso, and we bring forward the standards of efficiency of eso from the angle of economics and management respectively. section 2 searches the sources of efficiency of eso, including stimulant effect, detainment effect, filtering effect, venture - preference - enhancement effect and cost effect

    股票期權制對企業目標的影響分為五個方面，它們分別是股票期權制的激勵效應、篩選效應、風險偏好增強效應、留人效應和制度成本效應，五方面效應綜合作用的結果共同決定了股票期權制的效率。
  18. In the article, the definition of energy - oriented - agricultural is put forward, the character of energetic agriculture is discussed systemically, and some measurements based on foundational researches and basic application studies such as choosing, breeding and the system of cultivating standard and management, techniques and equipment, energy utilization efficiency and mechanism and layout of regional development on energetic crops

    提出能源農業的概念，系統闡述了能源農業的特點以及中國在發展能源農業方面所要採取的能源作物的篩選、培育、標準化栽培管理制度的建設、加工設備和加工工藝、能源轉化設備轉化效率和轉化機制以及區域發展規劃制定等一系列的基礎及基礎應用研究措施。
  19. The study was undertaken to isolate fe ( ii ) - transporter cdna and related binding protein cdna under fe - deficiency stress from a fe - deficiency root cdna expression library of malus xiaojinensis by screening library using maize fe ( ii ) - transporter cdna and wheat tamre - bp cdna as a probe. the main results as follows : 1 out of approximately 120000 plaques, four positive cdna clones encoding fe ( ii ) - transporter proteins, designated pftl -

    本試驗以蘋果屬小金海棠（ malusxiaojinensischengetjiang ）為試材，利用玉米fe （ ）轉運蛋白基因片段以及小麥金屬反應元件結合蛋白tamre - bpcdna為探針，篩選小金海棠缺鐵根cdna表達文庫，目的在於克隆蘋果鐵高效基因型小金海棠的fe （ ）轉運蛋白基因以及與缺鐵脅迫相關的結合蛋白基因。
  20. The results on edta and some metal ions, combined with the excellent recovery effect of cu2 + on detc - inhibited po activity, indicate that this po is a kind of cu2 + metalloenzyme. the effect of polysaccharides and vibrios on the hemocytes and po from shrimp was investigated. under the stimulation of p - glucan, the number of all hemocytes, the number of semigranular cells, the amount of po synthesized and po activity increased about 83. 4 %, 100. 4 %, 104. 7 % and 79. 4 %, respectively

    篩選出高效的免疫促進劑，查清其增強對蝦自身免疫力的分子機制，不僅具有重要的理論意義，中國對蝦酚氛化酶的生物化學性質及幾種免疫促進劑對對蝦酚氛化隴和血細胞的影晌而且對于利用免疫促進劑增強對蝦免疫力、降低死亡率，促進對蝦養殖業的可持續發展，還具有重要的應用價值。
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