質徑積 的英文怎麼說

中文拼音 [zhíjìngjī]
質徑積 英文
mass-radius product
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  1. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方面： （ 1 ）採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段，探明了以硅灰，超細磨粒化高爐礦渣，優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質；從理論上分析了礦物功能材料在混凝土中的4種效應，即火山灰效應、填充密實效應、微集料效應、表面吸附效應，並由此發揮出增塑、溫峰削減（降熱） ，增強及耐久性改善等作用；通過相關理論分析，推導出礦物功能材料的合理粒徑范圍在5 m 15 m ，即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。
  2. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法，對國內外多種典型石墨樣品的結構與性能進行比較，研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響，確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  3. In addition, it had been investigated in extenso how the specific area and pore size affected the capacitance values and characteristics

    本文還對比表面積及材料孔徑如何影響電容大小及性質方面進行了較為詳細的探討。
  4. Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction

    內容包括類氫原子角度分布圖的繪制，分子軌道對稱性和反應機理的微機模擬，分子點群和對稱元素顯示，分子振動運動的微機模擬，布拉維晶格和晶格轉化，平面點陣抽取，立體點陣抽取，等徑網球的密堆積和金屬單質結構，不等徑圓球密堆積和典型離子晶體結構， x射線多晶衍射的微機模擬十個子模塊。
  5. We have kept in specializing in optical instruments for nearly 40 years, especially sight test apparatuses, such as trial lens of both full - aperture with metal colored metal rim and reduced - aperture with plastic aluminum mount, trial frame with adjustable changeless p. d, crooss cylinder set and retinoscopy rack set. based on excellent quality and reasonable price, our trial lens set has acquired a good reputation from the customers and distributors over the world. for ten years, our products have been widely shipped to america, europe, southeast asia, mid - east and africa

    連雲港天諾光學儀器有限公司是專業生產驗光鏡片箱檢眼鏡片箱試鏡架等驗光儀器的廠家，多年來，公司致力於驗光儀器的開發和研究，追求精益求精，不斷改進生產工藝，提高產品質量，並積國內外諸多驗光師的經驗遂漸形成260 232 226 158等多種產品及規格，配置合理鏡片孔徑大驗光配鏡舒適準確，是理想的專業驗光工具。
  6. In the last chapter of this thesis, in analyzing the problems occurring in the process of implementation, we highlight scientific management, approved educational level of employees, highest output and service quality, intimate cooperation with media, active innovation as “ five toehold ” for giving shape to brand strategy

    在本文的最後一章，還對衡陽中國國際旅行社品牌戰略實施途徑以及需要注意的問題進行了分析，強調了科學的管理、良好的員工素質、優質的產品與服務質量、與傳媒的密切合作、積極創新是品牌戰略成功實現的五大「支點」 。
  7. Trains the elementary student to begin participation ability in the fine arts classroom abstract : in the advancement elementary school fine arts discipline education for all - around development, enhances the child intelligence development in the process, takes the base by the classroom instruction, studies student ' s psychological factor positively, obtains from the interest, carries on the good sentimental communication with the student, the formulation behaviour strategy, the instruction research method, entrusts with the student to begin to participate in ability, the choice creation way, the house teaches with happily, lets the student arrive at the knowledge in the practice middle school, the teacher must be good at acting according to the teaching material content characteristic and the student reality, creates the condition

    摘要：在推進小學美術學科素質教育，提高兒童智力發展的過程中，以課堂教學作為基地，積極研究學生的心理因素，從興趣入手，和學生進行良好的感情溝通，制定行為策略，指導學法，賦予學生動手參與能力，選擇創作途徑，寓教與樂，讓學生在實踐中學到知識，教師還要善於根據教材內容特點和學生實際，創造條件。
  8. 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、大比表面積效應，可對某些物質的電化學行為產生特有的催化效應，常用於酶傳感器的構建。
  9. The main ways of growth is imitating, self - exploring and self - summarizing, through these ways, they accumulate some experience of preschool education, but there is clearly shortcomings in those experience : ( 1 ) educating method is simple, that is to say, the ways of interaction between teacher and children is only language, the objects of interaction is only between teacher and children, the background of interaction is in collective activities, the means of interaction is only in classroom and collective activities directed by teacher. ( 2 ) paying specially attention to teaching knowledge and ignoring play, also paying specially attention to result but not the course of study, all that make kindergarten have the tendency to primary school in teaching style. ( 3 ) the basic educational quality of these teachers is at a low level, e. g

    研究發現：一、貧困民族地區民辦回族幼兒教師在成長中以愛心為基點，充分發揮了奉獻、吃苦耐勞的職業品質，成為她們成長的內在動力；二、被研究教師在實踐中通過模仿、自我探索、自我總結的主要途徑，積累了一定的教育經驗，但也存在明顯的不足； （一）教育方式方法單一，即相互作用的手段僅限於言語傳授；相互作用的對象僅限於教師和幼兒之間；相互作用背景僅限於班級集體活動中；相互作用的途徑僅限於作業課和教師指導的集體活動中； （二）重知識傳遞、輕游戲活動，重教育結果輕活動過程，小學化傾向嚴重； （三）教師基本教育素質偏低，表現在文化知識水平低下，專業技能技巧缺乏，不能滿足幼兒全面發展的需求。
  10. The research work presented in this dissertation provides an efficient approach to analyze the dielectric objects and metal - nonmetal composite objects ’ transient electromagnetic scattering phenomena, as well as a solid foundation for the further development in this subject

    本文的工作為分析介質體、金屬非金屬組合目標時域電磁散射現象提供了有效的方法途徑，也為運用時域積分方程求解結構更為復雜、尺寸更為電大的金屬非金屬組合目標的研究打下了堅實的基礎。
  11. The results of archaeal diversity analysis showed that most of the members belonged to crenarchaeota, and included many unidentified archaea species. abundant bacteria related to the metabolism of sulfur and methane were found in sediment collected from " warm pool " area, which indicated that the metabolism of sulfur and methane played an important role in the substance and energy conversion of this area

    在「暖池」區沉積物中發現了豐富的與硫及甲烷代謝相關的細菌，對這些細菌的種類組成及其在各層次沉積物中的分佈、數量進行了分析，發現該海區沉積物中存在一條完整的硫和甲烷代謝循環途徑，它們的代謝在物質能量代謝中占據重要的地位。
  12. Climate in this valley changes sharply with vertical difference and rainfall increases with the height. calculation indicates that the design day rainstorm amount reaches 133mm, the rainfall intensity of day storm reaches 6. 05mm / h, the design storm peak discharge is 239. 7m3 / s and 753. 0

    在計算泥石流峰值流量時，因考慮到泥石流固體物質的前期含水量、泥石流堵塞斷流增加的暴雨徑流量、泥石流間歇性陣流的迭加流量都會使泥石流流量增加，需要在計算公式中引入一個泥石流流量積累系數。
  13. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料，對該種激光器進行了深入的研究，通過對yag棒直徑的合理選取併合理地改進反射鏡面，從而既保證了光束質量又最大限度的增加了吸收長度，有效的提高了泵浦效率；在不影響泵浦的前提下，通過有效縮短yag棒的長度減小輸出損耗；對yag棒的水冷系統進行優化結構設計，使激光器體積減小到國外同類產品體積的一半，而輸出功率已達到國外同類產品的極限值。
  14. Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of liujiaxia reservoir, the streamwise variation and variation process of median diameter of bed load during silting and scouring periods of the fluctuating backwater reach are analyzed, and it can be seen that the turning point for the sediment diameter variation from coarse to fine is located at the outlet of shigou gorge of the fluctuating backwater reach

    摘要根據劉家峽水庫變動回水區的河段地形特徵和歷年河床質泥沙粒徑級配資料，分析了變動回水區河段淤積和沖刷時，河床質泥沙中值粒徑的沿程變化和歷年河床質泥沙中值粒徑變化過程，並指出粒徑分佈由粗變細的轉折點在變動回水區寺溝峽峽口處。
  15. The results indicated that ( 1 ) " longxianhuosuan " presented more regular and more densely - arranged epidermal cells in its scapes than " gailiangsuan " ; ( 2 ) " longxianhuosuan " showed a lower stomata number but a larger stomatal aperture in its scape surface than " gailiangsuan " ; its scapes had a great number of secretory cells, which had a larger size and appeared earlier ; its scapes presented a smaller number of vascular bundles with smaller diameters ( 3 ) " longxianhuosuan " had polygonal cells in its scape pith with their intercellular space occupying a small proportion while " gailiangsuan " showed elliptical cells in its scape pith with their intercellular space occupying a high proportion

    結果表明： （ 1 ） 「隴縣火蒜」比「改良蒜」蒜薹的表皮細胞形狀規則，排列緻密；角質層較薄； （ 2 ） 「隴縣火蒜」比「改良蒜」蒜薹表面的氣孔數量少，但開張度大；分泌細胞出現早、體積大、數量多；維管束數量少、直徑小； （ 3 ） 「隴縣火蒜」蒜薹髓細胞衛多邊形，髓細胞間隙率小，而「改良蒜」蒜薹的髓細胞呈橢圓形，髓細胞間隙率大。
  16. In this paper, the formulas of dynamic parameters provide good method to determine the dynamic parameters, which can reflect the influence of many factors such as the property of soil, the base area of foundation, the pressure of foundation, the exciting frequency and so on

    本文得到的地基剛度、參振土質量和動力影響深度的計算公式能較好地反映地基土體性質、基底面積、基底壓力和擾頻等諸多因素對它們的影響，為更準確地確定機器基礎系統的動力參數提供了一種較好的途徑。
  17. Studies have been made shown that under water stress, not only root weight, root specific surface area, root - shoot ratio, root growing potential, root water potential, root vessel diameter, etc which express the indexes of wheat root morphology and architecture have significantly changed, but also bleeding sap, root respiratory rate, root plasma membrane permeability, plasmalemma peroxide level, root protective enzymes and its isoenzymes etc which express root physiological indexes have changed correspondingly

    過去進行的研究表明，乾旱脅迫條件下，不僅表達小麥根系形態和構型建成指標的根系數量、根系比表面積、根冠比、根生長勢、根水勢、根導管直徑等發生顯著變化，而且表達根系生理指標的傷流液、根呼吸速率、根系質膜透性、膜脂過氧化水平、保護酶及其同工酶等也發生相應改變。
  18. 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。
  19. Research on dynamics of self - synchronizing linear vibration screen with offset equal mass - radius product double shafts

    偏置式等質徑積雙軸自同步直線振動篩動力學研究
  20. A square sensing area was formed upon each of the saw propagation paths using photoresist. when some kind of material deposits on this area, the saw propagation velocity will decrease due to the mass - loading effect, causing a shift in the device ' s oscillation frequency, which gives indication of the mass deposited. the dual - path architecture, one for sensing and one for reference, was used to compensate for the disturbance of temperature

    利用光刻工藝在每個聲傳播路徑上構造了一個方形質量沉積區，當有物質沉積到該區時，由於質量沉積效應，聲表面波的波速發生變化，使以延遲線作為反饋迴路的振蕩器的振蕩頻率發生變化，並通過這一變化反映出沉積物的質量。
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