common ratio 中文意思是什麼

common ratio 解釋
等比數列的公比
  • common : adj 1 共通的,共同的,共有的。2 公眾的;公共的。3 普通的,通常的,尋常的,平常的。4 平凡的,通俗...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. Overall, women were more common than men in our series, especially in cushing ' s syndrome and primary aldosteronism ( female : male ratio, 4 and 1. 9, respectively )

    整體而言,女性多於男性,尤其在庫辛氏徵候群與腎上腺留鹽激素過多癥,其女男比分別為4與1 . 9 。
  2. In this paper, the relation between differential driven ratio accuracy and the common normal length error of cylindrical bevel wheel has been found by experimental method, which provides a efficient way for cylindrical bevel wheel manufacturer to control the common normal length error of the wheel

    摘要通過實驗研究,尋找出差動傳動比的精度與斜齒圓柱齒輪的公法線長度誤差的關系,從而為斜齒圓柱齒輪的加工提供一個可以控制斜齒圓柱齒輪公發線長度誤差的有效方法。
  3. At 70c, dissolved time 60min, solvent ratio 125 : 50ml / g, the effect of benzene is best to separating phenanthrene of crude anthracene, phenanthrene content of crude anthracene is increased from 10. 3 % to 41. 7 %. at 120c, dissolved time 80min, the solvent ratio 75 : 30ml / g, the effect of dmf is best to separate carbazole from the compound of anthracene and carbazole, and in the high or common temperature when the compound is separated the solid content may be seen that anthracene content is almost. so, the common temperature is selected in the filtration of the experiment

    苯在70 』 c 、溶解時間60min 、溶劑比125 : 5oml / g ,對分離粗蔥中菲的效果最好,可以使粗蔥中菲的含量從10 . 3 %提到41 . 7 % 。 dmf在120 』 c 、溶解時間somin 、溶劑比75 : 30ml / g時,對分離蔥和咔哇混合物中咔哇的效果最好,並且從高溫和低溫下分離后得到固體含量可以看出,在這兩個溫度下過濾得到蔥的含量差不多,因此,本實驗選擇在常溫下過濾。
  4. Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa

    無機增強抗裂材料wj摻入普通混凝土中,在水化硬化過程中生成一定量的微膨脹結晶體,降低空隙率,改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下,使混凝土產生0
  5. Common code rejection ratio cmrr

    共模抑制比
  6. Common code rejection ratio

    共模抑制比
  7. Secondly, the paper researches blind estimation of signals parameters, including the carrier frequency, signal to noise ratio and symbol rate of digital modulations. thirdly, with the combination of parameters from early studies on the decision theory, a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal. based on these parameters, the proposed scheme is able to recognize 12 types of common used modulations, namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm

    接著,對信號功率譜、平方譜及四次方譜進行研究,針對通信中常用的調制方式,結合前人提出的基於決策理論中的特徵參數,設計了一組對信噪比和信號調制參數不敏感的分類特徵參數,利用上述參數完成了一種基於信號頻域的識別方法,可以對ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm這12種常用調制方式進行識別。
  8. "ratio" refers to the common ratio of the sequence of numbers a2, b2.

    「比」是指數列A2,B2的公比。
  9. To add " because of the continuous ageing of the population " after " increasing demand for health care services in hong kong in recent years " ; to add " and it is even more difficult for the social welfare sector to recruit nursing staff due to the implementation of the lump sum grant subvention system, thus seriously affecting the quality of elderly and rehabilitation services ; " after " the number of nurses would still fall short of the demand in the coming years ; " ; to add " and in the social welfare sector " after " this council is worried that the quality of nursing services in public hospitals " ; to add " nursing " after " devising a comprehensive and long - term plan for " ; to delete " nursing services ; " after " human resources for general and psychiatric " and substitute with " services as well as for the social welfare sector, including a comprehensive survey on the manpower demand for nurses ; immediately conducting a comprehensive review of the lsg subvention system implemented in the social welfare sector, and ensuring that sufficient nursing staff can be recruited in the market by organizations providing elderly and rehabilitation services with a view to enhancing service quality ; " ; to delete the original " and substitute with " ; to add " for public hospitals as well as for elderly and rehabilitation services " after " manpower ratio between nurses and clients of nursing care " ; to delete the original " and substitute with " ; to delete the original " and substitute with " ; to add " and in the social welfare sector " after " promotion prospects of nurses in public hospitals " ; to delete the original " and substitute with " ; and to add ", in particular the common practice of assigning health workers to undertake certain nursing duties in the social welfare sector, " after " facing up to the problem of de - nursing "

    在"近年本港醫療生服務需求不斷上升"之前加上"由於人口持續老化, "在"護士數目于未來數年仍求過于供"之後加上"由於社會福利界實行整筆撥款津助制度,聘請護士人手更加困難,嚴重影響安老及復康服務的質素"在"本會擔心公營醫院"之後加上"及社會福利界"在"就本港普通科"之後刪除"及" ,並以"代替在"精神科"之後加上"及社會福利界"在"全面及長遠的規劃"之後刪除" ,並以" ,包括就護士人手需求進行全面調查二立即全面檢討在社會福利界實行的整筆撥款津助制度,並確保安老及復康服務機構能夠在市場聘請足夠護理人手,以提升服務質素"代替刪除原有的"二" ,並以"三就公營醫院和安老及復康服務"代替刪除原有的"三" ,並以"四"代替刪除原有的"四" ,並以"五"代替在"改善公營醫院"之後加上"及社會福利界的"刪除原有的"五" ,並以"六"代替及在"正視去護士化問題, "之後加上"特別是社會福利界由保健員擔當部分護士職務的普遍做法, " 。
  10. Abstract : the air / fuel ratio control scheme in common use of boiler auto - burning system is introduced summary. two kinds of scheme improved to obtain the best air / fuel ratio and to raise dynamic characteristic are analyzed in particular. further how to correct measures on air / fuel ratio when changing boiler load and fuel composition is proposed and analyzed

    文摘:對鍋爐自動燃燒系統中空氣/燃料比控制的常用方案進行了簡要介紹,著重分析了兩種為獲取最佳空氣/燃料比和提高控制系統動態特性而採取的改進方案,並針對鍋爐負荷變化和燃料特性改變對燃燒狀況的影響,進一步對空氣/燃料比的修正措施進行了分析與探討,提出了綜合修正方案。
  11. A series of the form, where, is called a geometric series, and is called the common ratio of the series

    無窮級數叫做等比級數(又稱為幾何級數) ,其中,叫做級數的公比。
  12. Common size and financial ratio analysis

    百分比分析和財務比率分析
  13. Cinematography - common to more than one film gauge - sound - method for measurement of the signal to noise ratio of 8 mm type, 16 mm and 35 mm variable area photographic sound records

    電影技術.第5部分:多種膠片寬度的通用部分.第4節:伴音.第6小節:在8mm s型16mm 35mm可變面攝影錄音信噪比測量方法
  14. Further, the access control of soft real - time tasks and the modification of cpu ' s time - sharing ratio according to the dropped deadline guarantees the qos demand of soft real - time task. therefore, it ensures that the tasks of hard real - time do not drop deadline, guarantees the qos demand of soft real - time tasks and does not starve common tasks

    對軟實時任務控制其佔用cpu的時間比例可保證普通的分時任務不會饑餓,對軟實時任務採用接入控制並對其佔用cpu的時間比例按死線丟失的情況進行修正,從而保證軟實時任務的qos 。
  15. Every accrual also calls common stock common stock every dividend profit or every profit, it is the ratio that points to profit of company net profit and current and outer common stock

    普通股每股收益也稱普通股每股利潤或每股盈餘,是指公司凈利潤與流通在外普通股的比值。
  16. The coordination control between the angle error and the ratio error was realized through analyzing the common characteristics between the similar magnetizing current compensation and the anti - turn compensation

    通過分析相似電流補償和反匝數補償的特點,對電流互感器的比差和角差進行了協調控制,補償效果明顯。
  17. Firstly, this paper analyzes the influence of some factors ( such as the water / cement ratio, types of cement, curing time etc. ) on the carbonization properties of high performance concrete as well as that of common concrete

    首先,對諸多因素(如水膠比、水泥品種、養護齡期等)對于高性能混凝土及普通混凝土的抗碳化能力影響程度進行定性和定量分析。
  18. The most common ratio using current asset and current - liability data is the current ratio, which is current assets divided by current liabilities

    利用流動資產和流動負債數據計算的最常見的比率是流動比率,即流動資產除以流動負債。
  19. Compared with natural ventilating up - draft barn, the common curing barn installed with " automatic controlling temperature and forced humid air exhausting apparatus " can enhance evidently superior leaves ratio, average price and income of raw tobacco, decrease evidently substandard tobacco leaves ratio, lighten work hardness, shorten curing time, reduce fuel consumption, save labor power and reduce curing cost

    摘要普通烤房安裝「烤煙自動控溫強制排濕裝置」后,與自然通風氣流上升式烤房相比,烤后的煙葉在上等煙率、均價、收益等方面都有明顯提高,級外煙明顯減少,此外,還能降低勞動強度,縮短烘烤時間,減少燃料消耗,節約勞動力,降低烘烤成本。
  20. 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。
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