傳質因子 的英文怎麼說

中文拼音 [zhuànzhíyīnzi]
傳質因子 英文
mass transfer factor
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  1. The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu

    另外,通過rapd資料的聚類分析及相關性分析研究,發現無葉假木賊和角果藜自然種群的遺結構與綠洲沙漠過渡帶的微生境生態(主要是土壤)相關,其中無葉假木賊亞種群遺多樣性水平不僅與土壤含水量( w ) 、鉀鈉離濃度( k + na )和氯離濃度( cl )呈顯著的正相關( p 0 . 05 ) ,還與土壤中有機( som ) 、全氮( nt )和全磷( pt )含量呈顯著的負相關;同時,角果藜種群的遺多樣性水平與土壤中有機( som )和全氮( nt )含量呈顯著的正相關,而與co _ 3 ~ ( 2 - )濃度呈顯著的負相關;除此之外,其它土壤生態與兩物種遺多樣性水平的相關性均不顯著(卜0 . 05 ) 。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價的定量反演模型,並分析了模型的適用性。
  3. Magical fire ( eye doctor ) looks at well - being cream of sticking drawing tradition traditional chinese medicine formula famous and precious in tsinghua, is tied in wedlock modern up - to - date medicine result of scientific research, the various chinese medicinal crop famous and precious being carefully chosen, adopt the modern nano - technology and target to poison a technology to being given to, let various active material, tiny molecule, nutrition factor glutathione etc. guide medicine it is all right for to go ahead, the brute force passes through blood eye parclose, make pesticide effect reach nidus directly location, prompt the nutrition replenishing an eye with the part ( include ciliary muscle, retina, crystalline lens, optic nerve ), active eye part cell, improve eye part immunocompetence and oxidation resistance, boost an eye part organizing an assimilation of the new and excretion of the old, microcirculation improving and restoring an eye part, thereby reach eliminate look at strain, purpose improving and improving sight

    清華神火視康貼汲取統中藥名貴配方之精華,結合現代醫藥最新科研成果,精選多種名貴中藥材,採用現代納米技術和靶向給藥技術,讓多種活性物、微分、營養谷胱甘肽等引藥上行,強力穿透血眼屏障,使藥效直達病灶部位,迅速補充眼部(包括睫狀肌、視網膜、晶狀體、視神經)的營養,激活眼部細胞,提高眼部免疫能力和抗氧化能力,促進眼部組織新陳代謝,改善和恢復眼部微循環,從而達到消除視疲勞,改善和提高視力的目的。
  4. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化的zernike多項式的性;針對主觀式像差儀波前斜率采樣方案,提出了採用帶標準化的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法,即基於householder變換求解法和基於gram - schmidt正交化求解法,用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的遞系數。
  5. On one hand, is the product of beam waist radius and half divergence angle, wavelength is not involved. so there is possibility to compare the acutal focusing ability among laser beams with different wavelength. on the other hand, is a calculated result by measuring experiment, and it is more brief and persuadable than m 2factor, since the latter one is a ratio with basic mode gauss beam

    論文研究論證了用值評價激光光束量的實際意義在於兩個方面,一方面它僅僅包含了光束束寬和發散角,不涉及波長的素,使不同波長激光束的可加工能力具有可比性;另一方面,值是根據對光束輸路徑上不同位置處束寬實際測量結果的計算值,比其在與基模高斯光束進行比值計算得到的m2更簡潔、更有說服力。
  6. Seed crystals are both physical and part of our genetic encoded crystaline make - up

    水晶是組成我們的物身體和部分遺密碼的水晶能量線。
  7. Shortly following prof. furchgott s discovery of edrf, a vasodilator substance released from vascular endothelial cells, prof. murad s laboratory was the first to show that edrf used an identical signal transduction pathway as no to cause vasodilation, suggesting that edrf and no could be very similar ( if not identical ) molecules. a few years later, prof. ignarro and prof. furchgott confirmed that edrf was indeed no

    隨著富斯葛教授發現血管內皮衍生舒張? ?一種血管內皮細胞釋放的一種血管舒張物,短短的時間內梅里教授的實驗室率先證明血管內皮衍生舒張與氧化氮是用相同的訊息遞途徑去引致血管舒張的? ?而引申到血管內皮衍生和氧化氮,如果不等同也是非常相似的分
  8. Based on the generalized huygens - fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic gaussian beams is analyzed in terms of the beam propagation factor ( m2 - factor ) and power in the bucket ( pib ), and illustrated with numerical examples

    基於廣義惠更斯-菲涅爾衍射積分,並考慮了像散的影響,對高斯光束通過像散透鏡后的輸特性作了解析研究,以光束和桶中功率為參數分析了像散高斯光束的光束量,並以數值計算例加以說明。
  9. We considered the propagation of the atom laser beam during the interacting with bec, the propagation with the trap on and the free propagation with the trap off which potential can be separated by x and y

    對于某一方向上品守恆的情況,可以通過解析某一方向品守恆的充要方程,找到原激光的abcd形式的
  10. In chapter 3, we discussed the propagation of the atom laser beam, with the transverse independent of gravitate direction, which had non - conservation quality factor based on the theory of abcd formulation of propagation of a time - dependent quantum system

    第三章:本章在含時量系統的schrdinger形式理論的基礎上初步討論原激光? ?這種品不守恆的含時量系統的輸問題。
  11. We also compare our methods and results with le coq ' s. in chapter 4, the interaction between atoms within the atom laser beam will be included in the potential energy, which leads to the non - conservation of the quality factor

    第四章:由於原激光內部原間相互作用的存在,原有的品不再守恆,需要引入描述原有品和原間相互作用綜合作用效果有效品來討論原激光的輸。
  12. Within the frame of the abcd formulation of propagator of a time - dependent quantum system, the abcd law is extended to the so - called effective abcd system which effective beam quality factor is conservative ; we discussed the system like the propagation of the atom laser beam

    如果考慮原激光內部原間相互作用的影響,就要引入描述原有品和原間相互作用綜合作用效果的物理量? ?有效品和有效復數曲率半徑,利用heisenberg圖像得到的有效abcd形式。
  13. An effective quality factor representing both the interaction between atoms within the atom laser and the quality factor is introduced to study the propagation of the atom laser beam. we derive the abcd formulation of the propagation of an atom laser beam with arbitrary beam profile including the interaction between atoms within the atom laser by means of the theory of quantum mechanics

    此,本章在schrsdinger形式理論的基礎上,引入守恆的有效品來討論有效品守恆的的含時量系統?原激光(考慮了原激光內部原間相互作用)的有效abco形式。
  14. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時量系統的abcd形式理論的基礎上,引入某一方向的束寬、發散角、曲率半徑和品等光束輸參數來表徵橫向勢能滿足x和y分量相互獨立的原激光的輸。
  15. Thioredoxins, an ubiquitous small proteins with a redox active disulfide bridge in its conserved motif - cp ( g ) pc -, are universally distributed in eucaryote and procaryote and have a molecular mass of approximately 12kda. by its disulfide / dithiol interchange reaction, this protein can transmit the regulatory signals to seleted targets ( enzymes, transcription factors etc ) and plays an important role in many plant physiological processes that includes photosynthesis, dna synthesis, transcription, protein disulfide reduction, protein repair, filamentous phage assembly, cell apoptosis and seeds germinating and so on

    該蛋白中含有保守的- cp ( g ) pc -氨基酸活性基序,該基序中的兩個半胱氨酸殘基可通過巰基二硫鍵的轉換實現其氧化還原狀態的變化和電氫的遞,對細胞中與氧化還原相關的多種生理過程的調節起重要作用。通過同許多酶類、蛋白類、細胞內活性相藕連, trx能對光合作用、 dna復制、基轉錄、細胞凋亡和生長、噬菌體組裝、蛋白的還原和修復信號導等生理過程產生影響和調節。
  16. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合熱問題,本文在分析葉片內部通道冷卻的流動與熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化熱措施?帶擾流片的內部冷卻通道的強化熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  17. Thus, so called " allogynogenetic crucian carp " was thought as the progeny of gynogenesis

    而認為異育淇鯽是雌核發育的產物,父本遺代無影響。
  18. Abstract : on the basis of the general chromatography rate model, the effects of bi number, number, mass transfer pel number, particle diameter, injection and ratio of solute diameter and pore diameter on the chromatographic peak of taxol and the separation of taxol and cephalmonnine were simulated with computer. the essential factors affect on the chromatographic process of taxol and cephalmonnine were obtained and a more useful theory was provided to direct the chromatography separation of taxol and cephalmonnine

    文摘:根據建立的液相色譜普遍化速率模型,模擬了比渥數、數、彼克列數、粒徑、進樣量和溶直徑同多孔粒孔徑比對紫杉醇色譜峰峰形和紫杉醇和三尖杉磷堿色譜分離度的影響,獲得了控制紫杉醇和三尖杉磷堿色譜過程的主要影響素,從而為紫杉醇和三尖杉磷堿的色譜分離提供了更好的理論指導。
  19. is the plane-wave propagation factor in the uppermost medium and w is the propagation factor of the surface wave.

    是最上部介中的平面波播常數,而w是表面波
  20. As a result, the low - frequency contents increase as the centroid of signal spectrum experiences a downshift, in case that frequency is independent on quality factor, the offset of the centroid frequency is proportional to the integral of attenuation factor along wavepath, thus can he used to reconstruct the attenuation distribution

    假設介的品與頻率無關,地震波主頻的偏移量與吸收系數對播路徑的積分成比例,則通過它們之間的關系可以估測介的吸收系數。
分享友人