size structure 中文意思是什麼

size structure 解釋
粒度組成
  • size : n 1 大小,尺寸規模身材。2 (鞋帽等的)尺碼,號;(紙張的)開。3 巨大,大量;相當大的分量。4 〈口...
  • structure : n. 1. 構造,結構;組織;石理,石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】(直接經驗中顯現的)結構性,整體性;整體結構。adj. -d ,-less adj.
  1. The results show that there is anomalistic crystal whose size reaches nanometer grade in fine pvc ; the crystal structure is damaged by jet - milling, which induces the melting point of nanocrystal pvc decreases from 210 to 128. the nanocrystal pvc induces the decrease of plasicizing time and equilibrium torque and the increase of maximal torque, which show that the nanocrystal pvc have self - plasticization in pvc composites

    通過sem 、 tem 、 ftir和dsc測試表明:氣流粉碎制得的pvc微粉中具有不規則納米晶體;氣流粉碎破壞了pvc的晶體結構,使納米晶pvc的熔點從210下降到128 ;納米晶pvc使體系塑化時間、平衡轉距的降低、最大轉距升高,具有自增塑作用。
  2. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三,分析了xml結構化查詢優化中的查詢代價估計問題與傳統關系型數據庫中的查詢代價估計問題的區別,提出了一套完整的xml結構化查詢代價估計體系sxm ,包括對簡單路徑表達進行查詢代價估計的動態xml數據統計模型xmap ,對復雜路徑表達進行查詢代價估計的雙焦點例舉法,以及對值匹配條件進行查詢代價估計的基於小波的多維直方圖方法,並能將多種查詢表達的查詢代價估計結果結合在一起,以給出一個完整的xpath查詢的代價估計。
  3. Zn power, se power and diethylamine was used as the sources in this method and nanocrystal znse powders were synthesized at 225. these powders have been identified as polycrystal znse with zinc blende structure by xrd. the size of particle is about 100nm ~ 200nm

    採用zn粉和se粉為原料,以二乙胺為溶劑,在225下得到了znse粉末, xrd結果顯示其為znse多晶粉末,從tem照片可看出其顆粒的尺寸約為100nm 200nm 。
  4. Abstract : the formation technologies, the structure and properties of tcs microporous man - made yarn - kind new polyester fibre which was spinned in tcs with some micrometallic - oxide have been studied. the results indicate that the rheological behaviour and spinnability of commixed polyester melt, and the structure and properties of the fibre, are relative to the spinning temperature, melt pressure, microporpus size for spinning, formation conditions, thermo - vascellum temperature, thermo - vascellum position and rolling speed, besides the viscosity of polyester cuts, coacervation particles, adding amount and size of micrometallic - oxide

    研究表明, tcs微孔化共混聚酯熔體在成型加工中的流變行為和可紡性,及其纖維的結構性能除了與原料切片的特性粘度、凝聚粒子和共混聚酯中超細金屬氧化物微粒的添加量、粒徑等因素的影響有關外,還與紡絲溫度、紡絲熔體壓力、噴絲板微孔尺寸、冷卻成形條件、熱管溫度、熱管安裝位置以及卷繞速度等因素的影響密切有關。
  5. Using templates is an important method to regulate and control the morphology and size of crystal. according to the characterization of templates and the ability of their domain limitation, template methods were divided into two parts, hard - template methods and soft - template methods. soft - template methods mainly included many kinds ordered congeries that composed by amphiphathic molecules, such as liquid crystal, colloid, microemulsion, vesicle, lb films, self - assemble films, and so on, the self - assemble structure of macromolecules and biomacromolecules was also included

    模板法是對晶體的形貌和尺寸進行控制的一類重要的方法,根據模板自身的特點和限域能力的不同分為硬模板和軟模板,軟模板主要包括兩親分子形成的各種有序聚合物,如液晶、膠團、微乳狀液、囊泡、 lb膜、自組裝膜等,以及高分子的自組織結構和生物大分子等。
  6. Crumb structure the texture of a soil in terms of the size of the soil particles and how they interact, often determined simply by rubbing the soil with fingers

    團塊狀構造:根據土壤顆粒的大小及顆粒之間的相互作用而決定的土壤的質地結構。
  7. Design and structure of anticrack in large size and medium size biogas digester

    大中型沼氣池抗裂設計與構造
  8. When the solvent was pure 1, 4 - dioxane foams showed ladder - like structure and calcium phosphate besetted in the plla pore wall and has good combination. the size of conglomeration is only l ~ 5 m

    溶劑為極性較小的純1 , 4一二氧六環時,材料具有梯狀的孔結構,鈣磷酸鹽鑲嵌在plla孔壁中,與pla結合情況較好,分散均勻,尺寸在1一5林m 。
  9. 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。
  10. The results showed that the acr emulsoid particle size and its distribution can be adjusted by varying the amount of seed emulsion used in the pre - emulsionized seed - emulsion polymerization, and the acr emulsoid particles have core - shell structure obviously

    結果表明,採用預乳化種子乳液聚合法制備acr乳液,可以有效地控制乳膠粒徑及分佈;且所合成的acr乳膠粒子具有明顯的核殼結構。
  11. In order to grasp the urban system processes and evolution pattern of hunan province comprehensively, this article has made further discussion on its structure characteristic : through regression analysis, graph analysis and statistics analysis of the time series data and cross sections data, by combining with the fractal theory, we induce the following conclusion : the hierarchical size structure presents the law of the primate city, the rank - size rule and pyramid structure characteristic, but it also has the insufficient development problem of the high hierarchical size city. by using the gravitation model, we found out that the economy relation intensity among those main cities is weak while the structure is loose. based on the urban layer system of economic development level and industrial structure evolution of the cities in hunan province, this article then induces the function combination among the five urban agglomerations in hunan province

    為全面把握湖南城市體系的運演規律,本文對其結構特徵作了進一步的探討:通過時序數據和截面數據的回歸分析、圖表分析和統計分析,結合分形理論,得出了其等級規模結構分佈呈現出首位分佈、位序?規模分佈和金字塔結構特徵,以及存在著高層次城市發展不足的問題;運用場引力模型發現該省主要城市間的經濟聯系強度較弱、結構鬆散,在歸納出該省城市經濟發展水平的層次體系、產業結構演變的基礎上,導出了該省城市體系的五大城市群職能組合;結合空間結構體系、路網交通條件和經濟發展狀況,對該省城市空間分佈狀態進行了定性分析,研究表明該省總體上處于極化階段,各個具體區域,分佈階段不一,差異較大。
  12. The holocene stratum of quzhou district is quite different from other areas of hebei plain in terms of the buried depth, thickness, depletion rate, color, grain size, structure and pollen assemblages

    摘要河北平原南部曲周地區的全新世地層,在埋藏深度、地層厚度、堆積速率和顏色、粒度結構、孢粉含量與種屬等方面,與河北平原其他地區不同。
  13. The template method is superior to other approaches, which the size, structure and morphology of the prepared materials can be controlled and adjusted by simple altering the nature of the template and the preparation conditions

    模板法的優勢在於利用模板的空間限域作用和調控作用可對合成材料的大小、形貌、結構、排布方式等進行控制,而且也可根據合成材料的大小和形貌預先設計模板。
  14. Analysis of size structure showed that each size class of neolitsea aurata var. glauca had quite a lot of individuals. it implies that the regeneration of neolitsea aurata var

    結果表明:縉雲山白毛新木姜子種群各徑級都有一定數量的個體,種群更新在時間上是連續的。
  15. This paper with the actual needs of metal physical doping of icf target material and laser - x - ray conversion material is starting point, major for flow - levitation method principle, technology parameter control particle grain size, structure and thermal stability of phase composition that prep aration metal and alloy nanoparticle go deep into research. the principle of preparation metal nanoparticle by flow - levitation method is difference with other evaporate condensation method

    本文以icf靶材料金屬物理摻雜和激光- x光轉換材料的實際需要為出發點,主要對自懸浮定向流技術制備金屬與合金納米微粒的原理、過程和工藝參數控制微粒粒徑大小,所制備納米微粒的結構、物相組成以及組成相的熱穩定性等方面進行了深入研究。
  16. On the evolution of hierarchical size structure of the central plains urban agglomeration

    中原城市群等級規模結構演變分析
  17. Effects of size structure and pigment composition of algal population on phytoplankton absorption coefficients in the south china sea

    南海北部藻類粒級結構及色素成分對浮游植物吸收系數的影響
  18. Minmum size : there are there optional widths of stairs and small size structure for your choice, to properly handle the conflict between tne flow of passengers and minimum space requirement

    最小尺寸:三種不同梯級寬度的選擇與小尺寸的結構相配合,妥善的處理好容流率與最小空間要求的矛盾。
  19. In previous versions of c, declaring a c style fixed - size structure was difficult because a c struct containing an array does not contain the array elements, but instead contains a reference to the elements. c 2. 0 adds the ability to embed an array of fixed size in a

    在以前版本的c #中,聲明c + +樣式的固定大小結構是很困難的,因為包含數組的c #結構不包含數組元素,而是包含對元素的引用。
  20. The department of health will conduct another health manpower survey ( hms ) in 2005 which aims to collect updated information on the size, structure and employment status of health care personnel in hong kong

    ?生署將於二五年進行另一次醫療?生服務人力調查,以收集本港醫護人員的數目、組成和就業情況的最新資料。
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