identical size 中文意思是什麼

identical size 解釋
同級
  • identical : adj 同一的;同樣的;【數學】恆等的 (with); 【生物學】同卵的。 on the identical day 在同一天。 t...
  • 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...
  1. They are all large - size and model companies taken as models, but not include companies which are unlimited liability and limited partnerships, because these are obvious differences on ideas of governance between the two kinds of companies. the former is based on the governing structure of legal person, adapts to modernization mass - production. but the latter is a kind of enterprise form based on human credit and reputation and it is identical to simple family and single house labor

    另外還需特別指出的一點是,本文選擇研究的公司是以現代股份有限公司為藍本的大型規范公司,而不包括規模較小的無限公司和兩合公司,因為這兩類公司的治理理念是有顯著差異的,前者以法人治理結構為基礎,是與現代化大生產相適應的,而後者以人的結合為基礎,是與簡單的家族、家庭生產相一致的企業型態,它強調的是靈活與高效原則。
  2. They are of identical size and appearance and put closely together. they have remained intact during the past several hundred years

    它們大小一致,形狀相同,安裝嚴絲合縫,雖經數百年風雨侵蝕,依然平整如初。
  3. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  4. We have investigated transport properties of electrons in magnetic quantum structures under an applied constant electric field. the transmission coefficient and current density have been calculated for electron tunneling through structures consisting of identical magnetic barriers and magnetic wells and structures consisting of unidentical magnetic barriers and magnetic wells. it is shown that the transmission coefficient of electrons in a wider nonresonance energy region is enhanced under an applied electric field. the resonance is suppressed for electron tunneling through double - barrier magnetic ( dbm ) structures arranged with identical magnetic barriers and magnetic wells. incomplete resonance at zero bias is changed to complete resonance at proper bias for electron tunneling through dbm structures arranged with different magnetic barriers and magnetic wells. the results also indicate that there exist negative conductivity and noticeable size effect in dbm structures

    對磁量子結構中電子在外加恆定電場下的輸運性質進行了研究.分別計算了電子隧穿相同磁壘磁阱和不同磁壘磁阱構成的兩種磁量子結構的傳輸概率和電流密度.計算結果表明,在相當寬廣的非共振電子入射能區,外加電場下電子的傳輸概率比無電場時增加.對于電子隧穿相同磁壘磁阱構成的雙磁壘結構,共振減弱;對于電子隧穿不同磁壘磁阱構成的雙磁壘結構,無電場作用時的非完全共振在適當的偏置電壓下轉化為完全共振,這時的電子可實現理想的共振隧穿.研究同時表明,磁量子結構中存在著顯著的量子尺寸效應和負微分電導
  5. On the basis of piv measurement of the gas solid velocity field, the size and the numbers of particles are measured by newly developed image processing software. the results are identical with the variation of the factual size of particles. by the viable datum, the average size of particles in the cross section is calculated in the dilute phase area of circulating fluidized beds ( cfb ) riser

    在piv測速系統基礎上,通過二次開發的圖像識別軟體,實現不同工況下各截面顆粒粒徑分佈的測量,測量結果基本反映出實際顆粒粒徑變化,證明了該方法的可行性,進一步獲得了循環流化床稀相區顆粒粒徑分佈特性。
  6. Metallic powders ; determination of particle size by dry sieving ; identical with iso 4497 : 1983

    金屬粉末.用干篩法測定粒度
  7. The experimental results indicate pc = 19. 2, lower indeed than that with identical size and shape particles, which further supports to previous conclusion of maximum mr near pc

    2 ,比相同粒徑、形狀的cro 。顆粒復合體要低,並再次證實了逾滲閾值附近,復合體的mr達到極大9
  8. Industrial wire screens and woven wire cloth - guide to the choice of aperture size and wire diameter combinations - part 1 : generalities ; identical with iso 4783 - 1 : 1989

    金屬絲篩網和織絲布.孔徑和金屬絲直徑選用指南.第1部
  9. Industrial wire screens and woven wire cloth - guide to the choice of aperture size and wire diameter combinations - part 2 : preferred combinations for woven wire cloth ; identical with iso 4783 - 2 : 1989

    金屬絲篩網和織絲布.孔徑和金屬絲直徑選用指南.第2部
  10. Our days are identical suitcases - all the same size - but some people can pack more into them than others

    我們的日子像行李,都是一樣大小,但是有些人就是能夠在裏面多裝些東西。
  11. Road vehicles ; screw - in injection nozzle holders types 20, 21 and 27 for pintle nozzle size " s ", type " b " ; identical with iso 7026 : 1990

    道路車輛. b類s規格的針式噴嘴用的20 21和27型螺絲擰
  12. Items need to be identical in shape, size and weight

    每件必須大小,形狀及重量相同。
  13. All items should be identical in size, shape and weight

    每件郵品的大小、形狀及重量必須相同
  14. In terms of strength and ductility, the concept of specified yield point is put forward. based on the principle that under the same condition ( that is, the size of cross section, material strength and reinforcement ratio are identical ), the resultant ultimate moment must be identical, the compression failure of frp reinforced concrete beam is equal to the tension failure for the viewpoint of design and calculation

    從強度與延性兩方面的綜合考慮,提出了纖維增強塑料筋名義屈服點的概念,對發生受壓破壞的纖維增強塑料筋混凝土梁,按照同樣條件下(截面尺寸、材料強度、截面配筋率等均相同)截面承載力相等的原則等效轉化為受拉破壞進行設計與計算,以此確定纖維增強塑料筋的強度折減系數_ f 。
  15. Permeable sintered metal materials ; determination of bubble test pore size ; identical with iso 4003 : 1977

    滲透性燒結金屬材料.起泡試驗孔隙大小的測定
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