篩效應 的英文怎麼說

中文拼音 [shāixiàoyīng]
篩效應 英文
sieve effect
  • : 名詞[書面語] (植物名) sedge
  • : 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...
  • 效應 : [物理學] effect; action; influence
  1. 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性分析方法進行了有特徵的選,用人工神經網路建立了初步的語音情感識別模型,經過實驗發現特徵選后系統的識別果有著一定程度的提高。
  2. A special case of this mechanism is the so-called sieve effect.

    這個機理的特殊情況就是所謂的
  3. 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選與測試方面的研究成果。
  4. The cost - effectiveness of psa is comparable to other cancer screening tests

    其經濟與其它癌癥選檢查相同。
  5. 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之間的關系,並對我國華北、華中和華南地區選出的高菌株進行了生態適性的比較,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,選出具有廣泛生態適性的am菌株。
  6. 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的研究還尚未見報道。
  7. 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選體系,並首次確認久磷具有環境雌激素活性。
  8. 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,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
  9. 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種植物進行了選,研究了富集植物品種對重金屬pb的生理生態、對重金屬pb的吸收和耐性以及對污泥的響,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。
  10. 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是個復雜的過程,在分子水平上它包括對外界鹽信號的感和傳遞,特異轉錄因子的激活和下游控制生理生化答的基因的表達.在生化答中,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答的分子機制。
  11. Rapid screening test methods for thermal sensitive parameter of mos field effect transistor

    Mos場晶體管熱敏參數快速選試驗方法
  12. The technology involved in providing a continual stream of high purity nitrogen is pressure swing adsorption. this technique uses a bed of carbon molecular sieve to selectively remove oxygen and other contaminants from atmospheric air

    碳分子從空氣中分離氮氣的原理是根據空氣中氧和氮在碳分子中不同的擴散速度或不同的吸附力以及兩種同時起作用的結果。
  13. 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、吸磷選出高菌株,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用提供技術支持。
  14. 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、風險偏好增強、留人和制度成本,五方面綜合作用的結果共同決定了股票期權制的率。
  15. This paper uses quantitative evaluation method and principles of diagenetic reservoir facies, gray theory, matches and picks up petrophysical parameters, analyzes the comprehensive effect of evaluation parameters on diagenesis, establishes parameter index and automatic analysis and processing method for diagenetic reservoir facies evaluation with gray theory, integrates gray system theory and multi - information, and provides an important method and basis for reservoir description, heterogeneity study, oil well productivity analysis and screening favorable oil blocks

    摘要根據成巖儲集相定量評價分析方法和準則,利用灰色理論思維和手段,匹配、擬合和提取儲層物性參數,分別以評價參數對成巖作用的綜合進行分析,建立起灰色理論成巖儲集相綜合評價參數指標和自動分析處理方法,實現了灰色系統理論集成和多種信息綜合,為油藏描述、儲層非均質性研究、油井產能分析和含油有利區塊選提供了重要方法和依據。
  16. In this paper, the preparation of goat plancenta immunoregulatory factor ( gpif ) avivity samples, the comparison among several methods for evaluating immunobiologic activity and the choosing of optimum methods have been systematically studied. on the base of these, we have evaluated the immnobiologic acitivity of gpif, finded the dose - effect activity curve of gpif ; and analyzed influencing factors of different grafts, disposal means on gpif immunobiologic activity

    本課題以mr10000的羊胎盤免疫調節因子gpif ( goatplancentaimmunoregulatoryfactor , gpif )為免疫生物活性評價樣品材料,對gpif免疫生物活性進行了評價方法的比較選、免疫生物活性評價方法的優化,並在此基礎上對gpif進行了免疫生物活性評價,確立了gpif免疫生物活性劑量曲線,探討了不同工藝方法及處理因素對gpif免疫生物活性的影響,與同類藥品免疫生物活性進行了對比。
  17. In conclusion, the results of checking of physiochemistry items, uv spectrum data, chromatographic fingerprints test and safty evaluation indicated that gpif avivity evaluation samples were eligible. through the comparison of methods for evaluating immunobiologic activity and the choosing of optimum methods to evaluating immunobiologic activity, we created assay methods evaluating immunobiologic activity for quality standard of gpif. the research of dose - effect of gpif can also supply theoretical materials for pharmacology. that the experiments on the factors which affect the immunobiologic activity of gpif and the comparison with similar drugs demonstrated that gpif was a kind of cellar immunoregulating drug with stable and high immunobiologic activity

    綜上所述,通過對gpif免疫生物活性評價實驗樣品材料的準備,顯示由該工藝制備的實驗樣品材料理化性質穩定,活性成分含量充足,安全可靠,可以用來作為gpif免疫生物活性的評價;通過對gpif免疫生物活性評價方法的比較選及評價方法的優化,為gpif質量標準建立了較優免疫生物活性評價手段;同時gpif免疫生物活性劑量的發現,為該產品的免疫生物活性深入研究奠定了基礎,也為gpif藥學研究提供了理論資料;對gpif免疫生物活性影響因素的探討及與同類藥品免疫生物活性的對比,證實gpif是一種免疫生物活性穩定、且具有高免疫生物活性的細胞免疫增強劑;同時,本研究也為同類產品免疫生物活性評價提供了方法學參考。
  18. To investigate the photodynamic effect of eleven photosensitizers synthesized by institute of chemistry of chinese academy of sciences and popularly used in domestic study field hi order to find one or more new second generation photosensitizers suitable to clinical application

    檢測目前國內比較常用的及中國科學院化學研究所自己合成的共11種光敏劑,來比較不同光敏劑的殺傷選出可能適合於臨床用的新型光敏劑。
  19. The aim of study is to - 4 - pick out clinical promising photosensitizers by using hpd as their control

    以hpd為標準對照,選出殺傷強的新型光敏劑。
  20. For power control of listening users, forward power control method are introduced based on full, multichannel, filtered report, and collision method etc. the full report method has redundancy report information, and its real - time performance is bad, multichannel report is introduced to improve the real - time performance, and filtered report is introduced to eliminate the redundancy information, finally the collision method introduced can not only get higher real - time performance but also diminish the redundancy information ; 2. in order to meet the requirements of making the dynamic simulation of trunking group system, the ms ’ s random move equation is brought forward, the simulation of ms ’ s distribution is done and the integrated channel model are presented ; 3. the smart predicative model of power control is introduced to overcome the delay and track the change of the complicated network, with this model, the power control ‘ s performance is greatly improved

    全匯報方法存在冗餘的匯報信息,而且實時性較差,為了改善實時性提出了多通道的匯報方式,為了改善冗餘匯報而提出了選法,最後介紹的碰撞法在減少冗餘信息的同時又提高了實時性;二、為了集群功率控制動態模擬的需要,提出了移動臺的隨機運動方程,進行了有關移動臺的分佈模擬,建立了綜合的通道模型;三、希望克服延時和跟蹤復雜網路環境變化,提出了功率控制的智能預測模型,通過智能預測模型可以改善功率控制的性能,著重介紹了採用神經網路的方法實現智能預測的通用模型,從而跟蹤復雜多變的無線環境,諸如慢衰落及快衰落(包括多徑衰落、多普勒所引起的衰落)等網路特徵,達到預測功率需求;四、採用二級正交碼和智能天線(空分多址)的方法進行組內用戶的識別,改進功率控制果;五、話權用戶的前向和反向功率控制方法;六、對引入gota的cdma系統提出了復合容量表示方法,並作容量分析,探討有關gota系統的qos問題。
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