selective process 中文意思是什麼

selective process 解釋
選擇過程
  • selective : adj. 1. 選擇的；挑選的；有選擇性的；淘汰的。2. 【無線電】選擇性的。adv. -ly
  • process : n 1 進行，經過；過程，歷程；作用。 2 處置，方法，步驟；加工處理，工藝程序，工序；製作法。3 【攝影...
  1. Abstract : selective mechanisms exist in organism and biosphere, which select the cells with less dna injuy and reproduces them. there are two models ; mechanisms 1 and mechanisms 2, represented respectively b bacteria and mechanolytes of human beings. cells with mechanisms 1 ( e. g. bacteria, generative cells, cancer cells ) can reproduce infinitely, while somatic cells can not. there are deep - going reasons behind the two categories of selective mechanisms. the canceration of the cells is a degenerating process from mechanisms 2 to mechanisms 1

    摘要生物界存在一類篩選機制，它將dna損傷較小的細胞篩選出來，產生後代.主要有兩類模式機制1和機制2 ，分別以細菌和人的成纖維細胞為代表，那些具有篩選機制1的細胞（如:細菌、生殖細胞、癌細胞）能無限傳代，而體細胞則不能.這兩類篩選機制背後有更深刻的原因，而細胞的癌變正是從機制2退化為機制1的過程。
  2. A new process of extraction distillation with salt was developed for the triple azeotropic system of methyl acetate - ethanol - water and the selective method of the solvent and salt were studied

    本文針對乙酸甲酯?乙醇?水三元共沸體系，提出了加鹽萃取精餾的工藝過程，並對鹽的選擇和萃取劑的選擇方法進行了研究。
  3. Examination of the density, strength, hardness and microstructure showed that the mechanical properties and structure of the part made by direct metal forming process are better than that obtained from selective laser sintering process, as good as or even better than castings

    對成形件進行的密度、強度和硬度指標測試和金相組織觀察表明：基於弧焊的直接金屬成形件的組織結構和力學性能指標明顯優于選擇性激光燒結工藝成形件，達到或高於鑄造零件。
  4. Theoretical analysis and experimental results show that the mentioned methods above can simplify the process condition, improve the etched effect, shorten the etching time and obtain more even etched surface. 2 ) laser - assisted wet sequencially - selective - etching method has been developed this method can be applied when the corrosion solution is mixed solvent

    2 ）提出了激光化學誘導液相次序選擇腐蝕法該方法適用於腐蝕液為混合溶劑的情況，例如， h2so4 - h2o2對gaas基片進行腐蝕時，先採用h2o2對基片進行氧化腐蝕處理，再利用h2so4進行激光化學腐蝕。
  5. Moreover, hrtem observations indicate that the process is very selective : even in apparently homogenous illite or i / s, some crystals went opening and some remain unchanged. and the replacement of k cations by alkylammonium cations is not restricted to crystal edges, but extends to entire interlayer. the above facts are the basis of alkylammonium cations method applied to the diagenetic age of sedimentary rock

    Iaa法是以沉積巖的粒度?年齡譜為基礎的，利用這種方法可以獲得同一樣品不同粒級伊利石的年齡，隨著粒級的減小，樣品的年齡也減小，當碎屑伊利石的含量趨于零時，可以得到自生伊利石的成巖年齡；烷基胺陽離子取代法是一種化學方法，利用烷基胺陽離子的選擇性替代性，可以去除碎屑伊利石成分中的k離子，從而能夠獲得自生伊利石的年齡。
  6. At higher magnification, vasculitis with arterial wall necrosis is seen. note the fragmented remains of neutrophilic nuclei ( karyorrhexis ). acute inflammation is a non - selective process that can lead to tissue destruction

    高倍鏡下，脈管炎患者動脈壁壞死，可見嗜中性粒細胞核碎片（核碎裂） 。急性炎癥是一種非選擇性的病理過程，可導致組織的損傷。
  7. Under the background of correlative research project, the method of selective laser sintering has been used in the researching work. polymer - coated high - temperature alloy powder have been first developed successfully in our nation. the laser sintering and post - treatment process of high - temperature alloy parts have been systematically studied, which lay the foundation for its engineering application

    在國內首先研製成功了覆膜高溫合金粉末及其制備工藝，並對其激光燒結成型和后處理工藝進行了系統的實驗研究，為該項技術的工程化應用打下了基礎。
  8. Large companies are more selective in outsourcing, targeting certain stages of the recruiting process or certain types of jobs

    在招聘流程的特定階段或特定類型的工作方面，大型公司的外包更有選擇性。
  9. A process for preparing m - dichlorobenzene by atmospheric selective transfer reaction of p - dichlorobenzene in the presence of alcl3 and h2o is described. effect of selectivity of the reaction is discussed. the best technological conditions are determined

    闡述了常壓下對二氯苯在催化劑無水三氯化鋁及助催化劑水的存在下發生轉位反應，高選擇地制取間二氯苯的工藝過程；討論了影響產物選擇性的有關因素，確定出適宜的工藝條件。
  10. The intensity at the. irradiated site decreased linearly with the power density of the irradiation light. this means that the light - induced change is a one - photon process. irradiations at different wavelengths indicate that the spectral change is frequency - selective

    暗恢復過程的研究表明，光輻照后光譜的強度有恢復到輻照前強度的趨勢，擬合發現存在兩個恢復常數，一個為2 . 5小時，另外一個特別長。
  11. For building demolition works in particular, where unavoidable, the government has been urging private developers and their contractors to plan the whole process in a thorough manner, e. g. adopting selective demolition to maximize recovery of reusable and recyclable materials

    就建築物拆卸工程而言，如果無法避免，政府亦會力勸私人發展商及其承建商仔細策劃整體工序，如採取選擇性拆卸方法以盡量減少須棄置的拆建物料，及把拆建廢物循環再造成為有用物料。
  12. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時，提出了石油測井儀器的可靠性計算新模型，從電氣和機械兩個方面，提出並闡述了應採用的可靠性保障技術及其使用方法：根據最新可靠性理論，建立了石油測井儀器的可靠性系統模型，探討了石油測井儀器的可靠性指標及其獲取途徑，提出了推薦使用的石油測井儀器可靠性指標（ mwture ， nolwnm ， mtbf ， mttf ） ；通過試驗，得到了所設計儀器的穩定工作時間（ mwture ） 。在研究數據處理方法時，闡述了伽瑪信號的特徵，對測量誤差類型進行了統計檢驗；介紹了數字濾波的基本理論、數字濾波方法的概況，並進行了分析；對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析；從獲取平穩段真值、地層邊界的檢測與處理兩個方面，建立了數字濾波效果的評價準則（ rvi ， rmse ， sfi ） ，給出了相應的數字濾波方法及效果評價方法；探討了自然伽瑪信號數字濾波器的設計方法，提出了適合自然伽瑪測井的混合濾波方案，探討了混合濾波方案的實現途徑；通過對部分數字濾波方法的定量研究，給出了靈活可選的數字濾波系統構成及實現流程；提出的三種濾波方案，將用於era2000成像測井系統，對自然伽瑪測井數據進行濾波處理。
  13. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  14. The internal mode of building of cti is studied with both the capability of product innovation and process innovation, and a selective and evaluating model on project management of product innovation is given

    分別從產品創新能力與工藝創新能力兩個方面對基於企業內部的技術創新能力構築模式做了研究，給出了產品創新項目管理的選擇和評價模型。
  15. In the process of selective laser sintering, layers of material are successively cured by laser until the model ' s final shape is obtained

    摘要在選擇性激光燒結快速成型工藝中，零件是靠激光逐層掃描各種成型材料直接固化成型的。
  16. As an important branch of rapid prototyping ( rp ), direct laser metal sintering ( dlms ) is used for manufacturing metal parts by scanning metal powder based on the process of selective laser sintering ( sls )

    直接激光金屬燒結技術基於選擇性激光燒結快速成形工藝機制，採用粉末逐點熔化的掃描方式，對金屬粉末材料進行直接激光燒結成形制備金屬零件。
  17. However, in the process of comparable text reading teaching, proper guidance and regulation must be provided to the students so that their attention will be directed towards the improvement of explorative thinking, divergent thinking, selective thinking and convergent thinking abilities

    參讀教學中必須有效地做好對學生思維的指導和調控，抓住學生探索性思維能力、發散性思維能力、選擇性思維能力、收斂性思維能力的培養。
  18. Because using ofdm, a frequency - selective fading channel can be transformed into multiple frequency - flat fading sub - channels, in the coding process, spatial diversity ( due to multiple antennas ) is integrated with frequency diversity ( due to delay spread ), therefore, the proposed code can provide higher diversity gain than space - time code alone

    該編碼利用正交頻分復用把頻率選擇性衰落通道變換成平衰落通道的特性，同時引入了基於多天線的空間分集和基於時延擴展的頻率分集，比空時編碼具有更高的分集增益。
  19. It is the most important how the government utilize information technology device to enhance all managerial level leader of government making decision efficiently and scientifically. it is necessary that decision supporting system of jilin province administration office as a large system to conduct the exploiting of various universal and specific information pools, to ensure the quality of its electric information resource pool ; take full advantages of its functions and build and improve a relative standard and universal information select process. it is a repeatedly comparative, comprehensive and selective processing for screening of enormous economic and social information attribute

    本文以管理信息系統和決策支持系統理論以及信息分析理論為基礎，應用層次分析法，以設計信息資源庫的指標體系為重點，以建立《工業監測庫》指標體系為實例，為建立吉林省政府辦公廳決策支持系統的電子信息資源庫，努力探索對電子信息資源進行科學、適用篩選的有效手段，以提高信息的開發利用效率和為領導決策提供信息服務的水平。
  20. For all other possible lng sources, including other alternative lng supplies. despite the efforts by epd in recent years to encourage the project proponents to allow continuous public participation in the eia process from initial planning through to final design, clp has decided to release selective and piecemeal information, " said dr alan leung, senior conservation officer, wwf hong kong. " by doing so they are deliberately biasing the public debate on this important infrastructure project in an environmentally sensitive area which could have ramifications for decades to come.

    本會高級環境保護主任梁士倫博士表示：中電必須就所有液化天然氣的來源，包括其他液化天然氣的供應源頭對環境造成的利弊，提供清晰而客觀的比較，盡管近年環保署積極鼓勵項目發展商在整個環評過程中，即由草擬計劃至定案階段，均容許公眾參與，然而中電卻刻意選擇性地發放零碎的資料，故意誤導公眾討論有關是項重要基建工程的方向。
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