ratio 中文意思是什麼

音標 ['reiʃiəu]
ratio 解釋
n. 名詞 (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. 及物動詞 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. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. The greatest activity could be obtained on the condition of 8 % salt concentration, 1 : 20 ratio of abomasums and butter, 30w / cm2 supersonic strength and 40min extraction time

    在食鹽濃度8 ,皺胃與提取液比例1 : 15時,用30w cm2超聲強度提取40min ,可獲得最大的凝乳活性。
  3. As the kid chymosin was extracted by the traditional way and the buffering way at different ph values, its activity mainly depended on the salt concentration, extraction time and temperature, the ratio of buffer and abomasums and extraction times

    用傳統方法和不同ph緩沖液方法提取羔羊凝乳酶時,食鹽濃度、提取時間、提取溫度、提取液與皺胃比例、提取次數對凝乳活性有重要的影響。
  4. With the increasing salt concentration, milk - clotting activity became higher and higher, then reached its peak, and then decreased gradually ; in the early extraction, the speed was quick, the milk - clotting activity was increased obviously. after it amounted to the maximum, the activity became steadily lower steadily ; the increasing temperature in extracting could improve the extraction activity, but too high temperature could result in the denaturation and inactivation ; the greater the ratio of abomasums and butter and was, the quicker speed was when the enzymes was drawn out, and after extracting for twice, most of the enzymes in the abomasums could be drawn out

    隨著食鹽濃度增大,凝乳活性逐漸提高,當達到一定濃度后,凝乳活性又逐漸降低;在提取初期,提取速度較快,凝乳活性明顯提高,當提取達到最大值后,凝乳活性又逐漸下降;隨著提取溫度的升高,凝乳活性逐漸增大,但溫度過高時,會導致酶變性失活;隨著提取液與皺胃比例的增大,酶溶出速度加快,提取次數越多,皺胃中酶提取越充分,提取2次后,皺胃中絕大部分酶被提出。
  5. The pulse pneumatic conveying system has been a important transporting method for grain material, because of lower velocity, higher ratio of blend and a littler gas, as well as shattering less materiel, abrasing pipeline and easy recovery

    脈沖氣力輸送裝置以其低速、高混合比、低耗氣量等一系列持點,並由此帶來的被輸送物料破碎少、管道磨損小、產生粉塵少並且易於回收等優點,成為新一代粉粒料氣力輸送設備,並且被廣泛使用。
  6. Absorptivity emissivity ratio

    吸收發射比
  7. Test method for calorimetric determination of hemispherical emittance and the ratio of solar absorptance to hemispherical emittance using solar simulation

    用太陽模擬裝置作陽光吸收與半球發光量的比率及半球發光量的熱量計測定的試驗方法
  8. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。
  9. One of the most efficient measures about reducing the ratio of producing the traffic accidence is that educate people obey to all traffic rule

    將發生車禍的機率降到最低的最有效措施之一就是教育人們要遵守一切交通規則
  10. As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters

    這款晶元是一款數模混合晶元,包括模擬信號處理(含模數介面模塊)和數字信號處理兩大模塊,完整實現對紅外信號的接收、放大、處理、控制,產生有效數字電平驅動繼電器、可控硅等負載,應用於自動燈等多種場合。
  11. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著,對自適應調制系統中的通道估計問題難點,詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然( ml )估計和最大后驗概率( map )估計演算法,針對平衰落通道,我們模擬了map估計和ml估計的方差與導頻符號長度的關系,模擬結果表明,錯誤方差受多譜勒頻率的變化影響最大,並且對實際的自適應調制系統,導頻符號長度的取值超過20個符號長度時, map通道估計明顯優于ml通道估計。
  12. Average accounts payable period ratio

    應付帳款平均到期比率
  13. The acid test ratio shows that the company is unable to pay its debts on time

    流動資產與流動負債比率顯示該公司不能按時償還債務
  14. Acid test ratio

    酸性測驗比率
  15. The results showed in the paddy field the bacteria were predominated, in the dry land the proportion of fungi and actinomyces was distinctly higher than the other two kinds of soil, in the woodland abundant species of basidiomycetes were found ; the natural degradation speed was low, with the degradation the number and composition of microorganisms changed regularly ; when the c / n ratio was adjusted to 25 " ? 1, the degradation remnant ratio reduced 10. 67 % than the control

    結果表明,水田以細菌為主,旱地中真菌和放線菌數量最多,林地中有大量的高等擔子菌;秸稈自然降解較慢,土壤微生物也隨著降解的進行而呈現一定的變化規律;當調節c / n比為25 : 1時,秸稈的腐解殘留率比對照組下降10 . 67 。 2
  16. 3 admix the product according to the stated dosage and strictly control the water ratio

    其特點是:耐腐蝕防老化堅固耐用環保安全。
  17. At the same time, the problem from the concrete cracking is effectively solved through the measures such as enhancing the quality of the excavated surface, adjusting the admixing ratio of fly - ash in the concrete, and lowering the temperature rise of the hydration heat

    同時通過提高開挖表面質量,以及調整粉煤灰摻量以降低水化熱溫升等措施,有效地解決了混凝土裂縫問題。
  18. The dissertation shows how a series of well - performing composite adsorbents that prepared by author suitable for the features of adsorption refrigeration are gained by using water and ethanol as cryogen ( adsorbate ), which cause no harm to body and environment. the performance of the working pairs of water or ethanol with the composite adsorbents in the refrigeration through adsorption and desiccant cooling are thoroughly examined by experiments. the dissertation also examines, through energy analysis, the refrigeration efficiency and utilization ratio of the adsorption refrigeration, and analyzes the economic potential of the adsorption air - conditioning

    以對人體無傷害、對環境無污染的水和乙醇作為吸附製冷工質,研製出適合於吸附製冷特點的性能優良的一系列復合吸附劑;對水或乙醇與自製復合吸附劑組成的製冷工質對的吸附式製冷和吸附除濕製冷的性能進行了深入的實驗研究;用有效能分析方法討論了吸附製冷循環的製冷效率和能量的利用率;對吸附式空調的經濟性進行了分析。
  19. ( 2 ) in ( no3 ) 3 was dissolved in acetylacetone in the mol ratio of l : 3. they were mixed for about 3 hours to obtain acetylacetone salts. then glycol methyl aether was added in the ratio of 1 : 40 to obtain indium oxide sol. sncl4 was dissolved in glycol methyl aether and then added into the indium oxide sol to prepare transparent and stable ito sol

    ( 2 )通過將銦的無機鹽硝酸銦與乙酰丙酮按摩爾比1 : 3 ,混合攪拌3h左右得到銦的乙酰丙酮鹽,然後按一定摩爾比加入乙二醇獨甲醚溶液,混合攪拌制得氧化銦溶膠,再將一定量的sncl _ 4溶入乙二醇獨甲醚,摻入氧化銦溶膠制得透明穩定的摻錫氧化銦溶膠( ito溶膠) ,該溶膠性能穩定,易於成膜。
  20. If the coefficient of engagement overlap decreases, the flow aggrandize, trapping volume and the flow pulsating ratio decreases

    隨著齒輪嚙合重合系數的減小,齒輪泵的流量增大,困油容積和流量脈動率減小。
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