k ratio 中文意思是什麼

k ratio 解釋
面積比k
  • k : (pl Ks K s; ks k s )1 英語字母表第十一字母。2 K字形物體[記號]。3 一個序列中的第十一〈若 J 略去...
  • 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. Analysis f k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference

    摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟酸除去二氧化矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。
  2. Analysis of k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference

    摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟酸除去二氧化矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。
  3. Punnonen k, irjala k, rajamaki a. serum transferrin receptor and its ratio to serum ferritin in the diagnosis of iron deficiency. blood, 1997, 89 : 1052

    黃一微,林果為,丁訓傑,等.類風濕性關節炎貧血合併缺鐵的診斷.中華血液學雜志, 1992 , 13 : 606
  4. There were higher chi content and lower chi a / b ratio in leaves of seedling growing under k. candel forest than those growing at bare tidal flat

    低鹽下桐花樹幼苗中五種離子都趨于分配到地上部分,以提供枝葉生長
  5. The organization cuts into slices and examines by the in situ pcr, drip protease k 20 ( xl with loomg / ml to digest respectively in pretreatment, increase with normal position positive cell account for total ratio of cell, according to the positive standard cells > 75 %, confirm the lightest digestion time, studying the influence and relationship of different fixation time with protease digesting each other, detecting the mn genotype of the organize slices at the same time

    石蠟切片進行原位pcr檢,預處理分別滴加loom歲血的蛋白酶k20閃消化,以原位擴增顯色后陽性細胞占總細胞的比值> 75 %為標準,確定最適消化時間『 , ,研究不同固定時間與蛋白酶消化的相互影響和關系,同時檢測石蠟切片的mn基因型。
  6. An analytical discussion was carried out upon the transmission scheme, assembly condition, eccentricity condition and uniform loading of k - h kind and ngw modeled gear mechanism, and some important conclusions were reached that this kind of mechanism possesses rather large speed increasing ratio, comparatively good uniform loading and dynamic equilibrium, thus provided necessary theoretical bases for the development and application of this mechanism

    摘要對k - h類ngw型齒輪機構的傳動方案、裝配條件、偏心距條件及均載進行了分析討論,得出了這種機構具有較大的增速比及較好的均載、動平衡等重要結論,為這一機構的開發應用提供了必要的理論依據。
  7. Effects of na k ratio in brackish water on survival and growth of litopenaeus vannamei

    對凡納濱對蝦成活率和生長的影響
  8. This paper applies nonlinear finite element program bsnfem to analyze the behaviors of eccentrically braced steel frames under cyclic load. the study that comprehensive and systematic analyze the factor of links length, thickness of links flange, distance of links rib, thickness of links rib and angle of brace to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel frames have been some studied before. this paper fills the black in the filed factor of high - span ratio, brace stiffness and brace - to - beam connections to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel trames and any factor to be changed affect energy - dissipation capacity of y shape eccentrically braced steel frames

    對耗能梁段的長度、耗能梁段腹板的厚度、耗能梁段翼緣的厚度、耗能梁段加勁肋的間距、耗能梁段加勁肋的厚度、支撐的夾角等因素的改變對d形、 k形偏心支撐鋼框架耗能的影響,前人已有一些研究,本文對這些因素的影響進行了全面系統的分析,完善了理論分析的不足;而結構高跨比、支撐剛度、支撐與梁的連接形式等因素對d形、 k形偏心支撐鋼框架破壞機理的研究以及各種因素對y形偏心支撐鋼框架破壞機理的影響,則很少有人涉及,本文對此也進行了深入系統的分析,填補了這一研究空白。
  9. Constructing cdna expressing library of erythrocytic plasmodium falciparum from hainan : the total rna was obtained by using. triplix kit. a modified oligo ( dt ) primer ( cds ffi pcr primer ) was used in the single - stranded ( ss ) dna synthesis reaction. the ss - dna was reversely transcripted from total rna. double - stranded ( ds ) cdna was amplified by long - distance ( ld ) pcrafter the digestion with proteinase k and sfi i, the cdna with no less than 200bp was collected and purified by glass - milk kitthe library was constructed after the ligation of cdna to tiplex2 phage particle packaged with the packaging extract system in vitro. a high titer and high recombinant ratio of cdna library was constructed

    構建惡性瘧原蟲海南株紅內期cdna表達文庫提取紅內期惡性瘧原蟲海南株總rna ,直接以總rna為模板使用cdna文庫構建試劑盒,首先反轉錄合成ss一dna ,再擴增合成ds一dna ( cdna ) ,對擴增產物用蛋白酶k消化及左z丁i酶切,抽提蛋白、去除rna后,用玻璃奶試劑盒純化、回收20obp以上的片斷,經與載體連接再用蛋白包裝物包裝后形成未擴增文庫,最後擴增完成惡性瘧原蟲海南株紅內期cdna表達文庫的構建。
  10. Grain contact models suggest that dry k / ratio remains a constant with varying porosity, differential pressure and mineral properties and vary with roughness of grain contact

    顆粒含量模型說明,乾燥k /比不受孔隙度、差壓和礦物特性的的影響,但是要隨顆粒含量的粗糙度變化。
  11. The result of statistics show the ratio of strong activity samples in m type ms stars is larger than that in other g, k type ms stars, the relation of between angle momentum and magnetic momentum of m type stars also depart from the whole relation of ms stars

    主序星的角動量與以冕球活動指數為指標的磁動量間的相關性分析表明m型主序星的角動量與磁動量間的關系偏離了其它類型的主序星的總體線性關系。
  12. But on the later condition the trend of accumulation turned to be stable in the w3 treatment ( vseawater / v pure water = 1 ) - in root zone soil, variation of sar value accorded with total salt accumulations and sometimes decreased at the treatment where the v seawater / v pure water > 1. contents of cl - and na + which were the main ions and leached obviously in 0 - 60cm soil were greatly influenced by rainfall, but the rainfall did not affected the contents of ca2 +, mg2 + and k + whose ability of leaching is worse than that of cl - and na + in the root zone soil obviously. the vertical distribution of salt ions in the 0 - 60cm soil were mainly affected by the ratio of v seawater / v pure water in the irrigation water on the condition of not enough rainfall, but on the cont

    海水灌溉下,耕層土壤中鹽分含量受降雨量影響很大,足夠的降雨條件下,鹽分不會積累,降雨量較低時,鹽分積累明顯,但在50海水處理下趨于平衡狀態;耕層土壤sar值的變化情況和鹽分含量變化情況相一致,在灌溉水中海水濃度大於50時有所下降;土壤中主要鹽離子為cl ~ -和na ~ + , 0 - 60cm土層內, na ~ + 、 cl ~ -明顯的向土壤底層遷移,其在土壤中的含量受降雨影響顯著,而ca ~ ( 2 + ) 、 mg ~ ( 2 + )和k ~ +在土壤中遷移能力較低,其含量受降雨影響較小; 0 - 60cm層次土壤鹽分的縱向分佈在降雨量較低的條件下主要受灌溉水中海水濃度的影響,而在降雨充分的條件下,地面覆蓋程度成為重要的影響鹽分和水分脅迫下菊芋的生理響應及其海水灌溉研究因子之一。
  13. Abstract : based on the fast - returning characteristic of a double - crank mechanism, the authors introduced the general problems of the mechanism synthesis according to the stroke ratio k and illustrated the design with the analysis in c program language as well as in graphic

    文摘:在雙曲柄機構急回特性研究基礎上,文章介紹了按行程速比系數k綜合雙曲柄機構的一般命題,並通過實例描述了用c語言編程技術實現的解析法求解過程以及圖解綜合過程。
  14. In this work, the transgenic plants showed a tendency to accumulate less na + and more k + under saline condition than wild type plants and there was a high cytosolic k + / na + ratio in the roots of transgenic lines. 5. x - ray microanalysis of na +, k + contents of the symplast and apoplast showed that transgenic lines accumulate less na + and more k + in the symplast than wild type plants

    在對轉基因植株及野生型植株用100nunol lnaci處理六天後, na 」 、 k 」的x一射線微區分析,轉基因植株根、葉中質外體na 、 k十含量變化不大,但共質體中na十含量明顯降低,廣含量高於對照。
  15. A method called " k - ratio h - point standard addition method " was proposed for the simultaneous determination of nitrate and nitrite, based on their ultraviolet absorption spectrum in a neutral medium

    摘要研究了在近中性介質中,硝酸根與亞硝酸根的紫外吸收光譜,提出了引用「 k比例h點標準加入法」同時測定了硝酸根、亞硝酸根含量的方法。
  16. The reliability of secant modulus method is validated in which final consolidation settlement is computed. the experience formula of coefficient of permeability ( k, 0 ) and pore ratio ( e ) is presented and the experience expression of coefficient of permeability ( k10 ) and strain ( ) is offered too. lt is important to modity the acquiring method of coefficient of consolidation, because the method embodies that strain and pressure of consolidation effect on coefficient of consolidation

    本文首先驗證了用割線模量法計算軟土地基最終固結沉降的可靠性;其次得到了滲透參數k _ ( 10 )和孔隙比e的經驗關系,並且更進一步給出了滲透系數k _ ( 10 )和應變之間的經驗公式,更重要的是對求取固結系數的方法給予了改進,該方法反映了固結系數隨應變和應固結壓力的變化規律。
  17. The flow field and pressure drops in the hydrocyclone were calculated numerically based on the k - e model modified for anisotropy and simple algorithm. the effects of operating parameters such as split ratio and feed flowrate on pressure drop were analyzed. the calculate results was compared with those obtained in experiment

    因此,本文採用各向異性-模型及simple ( semi - implicitmethodforpressure - linkedequations )演算法對水力旋流器內流場及壓力降進行了數值模擬,分別考察了溢流比、進料流量及溢流管幾何尺寸等對壓力降的影響,並把得到的數值計算結果與實驗值比較,證明本文的計算結果是可以接受的。
  18. On the other hand, each of available p and available k was insignificant related to corn yields. soil composition of three phases was signified and compared by means of trigonometric coordinates. meanwhile, considered relative percentage content of three phases, it reflected actual condition better that ratio of two phases

    本文根據對吉林玉米帶黑土剖面構造、理化環晚等各因素與玉米產女的關系分析,將各種因素按其對作物產童影響程度的不同,分清主次,找出明確影響產量的限制性因子,提出吉林玉米帶黑土土壤環境與玉米產童關系的檢索指標體系。
  19. By far, two hypotheses on foundation model has been widely adopted : one is winkler foundation model ( k foundation model ) that foundation response modulus k is used to characterize foundation rigid ; the other is elastic half - space foundation model ( e foundation model ) that elastic modulus e0 and poisson ratio 0 are used to characterize foundation rigid. in the present paper, e foundation model is adopted to simulate half - space elastic foundation body

    目前廣泛使用地基假設有兩種,其一是以地基反應模量k表徵地基剛度的文克勒( winkler )地基假定(簡稱為k地基) ;其二是以彈性模量e _ 0和泊松比_ 0表徵地基剛度的彈性半空間地基假定(簡稱為e地基) ,本文採用e地基。
  20. Simulaneous spectrophotometric determination of iron, cobalt and nickel by k - ratio and h - point standard addition method

    點標準加入分光光度法同時測定鐵鈷鎳的研究
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