載體密度 的英文怎麼說

中文拼音 [zǎi]
載體密度 英文
carrier density
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 體構詞成分。
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 載體 : [化學] carrier; supporter; isotopic carrier
  1. Charles has presented an analysis of the concentric flow of long cylindrical capsules carried in an equidensity liquid in laminar motion.

    查爾斯已對運于等中,以層流運動的長圓柱形包囊的同心流動提出了分析。
  2. This dissertation presents a hypoelastic constitutive model with four material constants in describing the mechanical behavior of granular materials under loading. analysis results of the model have good coincidence with those of triaxial experiment of the standard sand under different relative density. the model can describe the contractant and dilatant phenomena of granular materials

    提出了一種含4個材料常數的亞彈性本構模型,來描述散粒在加時的力學行為,本模型的分析結果與不同相對下標準砂的三軸實驗可較好地吻合,能反映散粒的剪縮、剪脹現象,還對如何用三軸實驗數據來確定這4個材料常數,給出了適宜的計算方法。
  3. The physicochemical properties of cx - 2 correspond to cytodex - 3 mc produced by pharmacia, including of color, loss of drying, area, density, size, soakage, dilation, stability, size distribution, mechanical strength, surface structure, etc., but its cost of manufacture is lower than cytodex - 3 " s

    通過優化工藝制備的cx - 2微,在色澤、乾燥失重、比表面積、成球率、、直徑、吸水量、溶脹、粒分佈、表面結構、機械強、穩定性等理化指標與pharmacia公司cytodex - 3微相當,但成本價格要低得多。
  4. The animal experiment is carried out in the first hospital of shanghai through renovating the injured nerve of the rats. four projects are used in this experiment : the conduits coated with pgla, the conduits coated with chitosan, the conduits coated with chitosan adding bridge - yarn and self - nerve migration. after 12 weeks, we observe and analyze the thickness of marrow theca, the diameter of axone, the density of regeneration nerve and then do electromyography and statistics analyzing, finding out that the third conduits have the best recovering effects on the injured nerve, close to the self - nerve migration

    因此我們選用加筋結構神經導管進行動物實驗。本課題動物實驗在上海市第一人民醫院進行,分別通過加筋結構塗pgla導管、加筋結構塗甲殼胺導管、加筋結構塗甲殼胺並加縫芯線導管和自神經移植四種方案對大鼠進行損傷神經修復實驗。在術后12周對四種方案再生神經的髓鞘厚、軸突直徑、數量進行觀察分析,並進行肌電圖檢測和統計學分析。
  5. The deleted mutant pap gene was also cloned into yeast secreted expression ppic9k vector to form ppic9k ~ 3, then the vector was transferred into pachia pastoris gs115 strain. the specific expression protein was secreted into the medium after inducing with methanol and the protein amount reached about 50 - 60 u g per millilitre measured by uv - absorbed methods in the supernatant of the medium via high density fermentation. sds - page results showed that there was one protein band in the gel which molecular weight was about 34ku

    將缺失型pap基因克隆于酵母分泌型表達ppicgk構成重組,然後導入畢赤酵母( p8chianastoris )菌株gslls細胞中,在甲醇的誘導下,經過酵母高發酵進行pap的表達,經sds page分析,結果表明,在培養基上清液中含有一明顯的特異性蛋臼條帶,大小為34ku ,經western blotting分析,該蛋白與法國pap抗血清有特異性反應,外活性檢測表明該蛋白對tmv的侵染性具有高的抑制性,說明該pap基因在畢赤酵母gs中也得到了正確表達。
  6. By recombinant dna techniques, the vp2 gene of gpv hi strain was fused in frame with 6his gene of prokaryotic expression vector pproex - htb. the recombinant expression plasmid of goose parvovirus vp2 gene pproex - htb - vp2 was transformed into e. coli dh5a and induced with iptg. sds - page analysis showed an induced expression product band about 72ku, which correspond to the sizes of vp2, reported in the literature

    利用dna重組技術,將其結構蛋白vp2基因亞克隆至原核表達pproex - htb , iptg誘導后成功表達出與預期大小相符的約72ku的融合蛋白,光掃描對表達產物進行初步定量,表明表達產物約占菌總蛋白的14 。
  7. This kind of high silica wrought aluminum alloy is provided with low density and well heat - stability, especially with the metallurgical structur ? similar with bearing alloy ? which is composed of dispersion distribution common silicon crystal hard mass point and the alloyed basal body is very fit for the components manufacture ? can bear small capacity moving load and friction load

    這種高硅變形鋁合金具有小和200以下良好的熱穩定性,特別是它的由彌散分佈的共晶硅硬質點及合金化的相基組成的類似軸承合金的金相組織、特別適合用於製做承受小能量動荷和摩擦荷的零件。
  8. At last, the impact of the monolith length, cell density, wall thickness and noble metal dosage on the light - off characteristic and conversion efficiency of three - way catalytic converter are analyzed and could provide a guide for the optimization of three - way catalytic converter

    本文還對、孔、孔道壁厚和催化劑用量對催化轉化器起燃特性和轉化效率的影響進行了分析,為參數的優化設計提供了依據。
  9. Standard test method for mechanically tapped packing density of formed catalyst and catalyst carriers

    成型催化劑和催化劑機械振實填充的標準試驗方法
  10. The table will write down all about the electronic records during their life period. the content noted in the table will be the only basis on original and reality " testing of electronic records ". the major task of the second levels is to build the tight filing rules, moreover, combined the " life cycle table ", to build the test system to assure the original and the reality of the information during filing ; the assignment of the third level is to build testing and restoring measures of the original and the reality. by maintaining the media of electronic archives or building information file of electronic archives etc, electronic archives can maintain their available ^ visuak understandable during their deadline ; meanwhile, to build the safe control of the system through the workers dispersed authorization and deterring skills, to formulate the standards of the protective system, such as the standard of the basic structure of united electronic records ^ electronic archives. all of this is important to protect the original and the reality of electronic records and electronic archives

    「生命周期表」所記錄的內容將作為電子文件歸檔時檢驗原始性、真實性的唯一依據;電子文件歸檔管理層中的主要任務是要建立起嚴的歸檔制,同時結合「文件生命同期表」建立檢驗措施保證電子文件在歸檔過程中信息內容的原始性、真實性;電子檔案保管層中主要任務是建立電子檔案數據原始性、真實性檢驗及原始數據恢復管理措施,通過對電子檔案的維護、建立電子檔案維護管理的信息文檔等工作,確保在保管期限中的電子檔案保持其可用性、可存取性、可理解性:建立電子文件與電子檔案原始性、真實性保護系安全控制,通過對系統工作人員授權分散化、建立用戶標識與認證技術等措施確保「保護系」安全運行;加強「保護系」涉及的標準與規范的制定工作,如建立統一的歸檔電于文件、電子檔案基本結構等標準對保護電子文件、電子檔案信息原始性、真實性有著重要意義。
  11. In this paper, chroma dc coefficients are selected as the carrier data because chroma dc coefficients are robust. also, alterable steps are used to select one part of the coefficients, so the watermark is imperceptible ; before watermark embedding, the watermark is divided into many parts, every part is individually embedded into one gop of the video, even if a gop is destroyed, the watermark can be extracted correctly, this methods promotes the robustness of the watermark ; in addition, in order to promote the security of the watermark, the user ' s id and password are used to generate chaos sequence by the chaos system which is created in this paper, later, watermark is mixed by the chaos sequence. also, the embedding position of the watermark bit is modified by one chaos sequence, so, unauthorized person can not extract or remove the watermark, since the embedding position is unknown

    本文認為,色dc系數是魯棒性非常好的參數,因而選擇色dc系數作為水印信息,同時,採用可變的步長選擇部分系數,保證了水印的隱形性;在嵌入水印時,本文採用水印信息「網格劃分」 、各子塊獨立嵌入視頻的方案,由於水印信息子塊是相對獨立的嵌入視頻中的每一相對獨立的圖組當中,即使某一圖組收到一定破壞,也能夠恢復水印信息,使水印的健壯性得到提高;此外,為了提高水印信息的安全性,在嵌入水印信息時,根據用戶輸入的id號和碼,利用本文構造的混沌系統產生的混沌序列對水印信息進行變換,同時,對每一水印信息比特的嵌入位置也採用了偽隨機序列進行調整,這樣,未授權用戶不能提取水印信息,也難以擦除其中的水印信息,因為嵌入的位置是未知的。
  12. However, the refractive index will increase with the increase of the flow ratio of sifu / nhs, slightly increase with the increase of substrate temperate, and decrease with the increase of rf power. by measuring the passivation results of hydrogen plasma and sinx thin film, we found an evident improvement of minor carrier lifetime in polycrystalline silicon after hydrogen plasma treatment, although it has little to do with the annealing temperature and time. the hydrogen contained in sinx thin film can enhance the carrier mobility of monocrystalline silicon, but after annealing at high temperature the mobility turns down

    通過測試氫等離子鈍化和氮化硅薄膜鈍化的效果,實驗還發現氫等離子處理對多晶硅材料的少子壽命提高作用比較明顯,但是這種提高作用與處理溫以浙江大學碩士學位論文王曉泉2003年5月及時間的關系不大;氨化硅薄膜中的氫對單晶硅的流子遷移率提高有一定作用,但經過高溫處理后這種作用消失;氮化硅薄膜能提高單晶硅和多晶硅的少子壽命,具有表面鈍化和鈍化的雙重作用;氫等離子和氮化硅薄膜都能有效地提高單晶和多晶電池的短路電流,進而使電池效率有不同程(絕對轉換效率0
  13. Recent years, the using of piezoelectric sensors becomes a focus in novel biosensors research. the basic principle is that the characters of its oscillation are highly responded with the changes of the surface mass adsorption, or the physic characters in the reaction system including density, viscosity, conductivity and so on. a piezoelectric biosensor with a nanogram sensitivity could be constructed through a reasonable biological processing and structure designing to the piezoelectric quartz crystal

    近年來,壓電傳感器檢測技術逐漸成為生物分析中的研究熱點,其基本原理是利用石英晶振蕩特性對石英晶表面質量負(質量效應)和反應系物理性狀如、粘、電導率(非質量效應)等的改變具有高敏感的特性,通過對石英晶進行適當的生物學處理和結構設計,構建出具有具有ng級檢測能力的生物傳感器。
  14. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    工作可以概括如下:首先,研究了vcsel的熱場特性,分析了電流擴展,材料參數和工作條件對于溫分佈的影響;其次,從電極電壓入手,計算出激光器中的等勢線分佈,並對不同深處的電壓和電流分佈進行比較,研究了高阻區的不同位置和不同厚、限制層和出射窗口半徑的大小對電流流子濃和溫分佈的影響;再次,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電流分佈、流子濃分佈和熱場分佈,分析了溫流子濃變化對折射率、費米能級和光場的影響;最後,給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈,分析了n - dbr和雙氧化限制層對vcsel電流流子濃、溫和光場分佈的影響。
  15. Standard test methods for determining bulk density of granular carriers and granular pesticides

    粒狀與粒狀農藥的的標準試驗方法
  16. When the approach to get a direct binding molecule was proved not fruitful, attention was turned to find binding sources for the purpose of further isolating the binding protein. the first considered and also the relatively easier - obtained materials are some adhesion molecules. results showed, only n - cam 140 showed ambiguous binding

    , idin砰proteina磁珠為結合反應,從小鼠成年全腦勻漿作為結合起始材料,以蔗糖離心法進4行細胞亞組分分離,以sds page顯示陽性結合條帶,以westernblot確定蛋白身份。
  17. Based on the concepts of elastic wave velocity of skeleton and reinforced cohesion, the effect on the velocity by soil density with different saturation was distinguished from that by weakened reinforced cohesion ; on the condition of same confined press and saturation, the elastic wave velocity was measured before and after soil samples were dynamically loaded, so that the elastic wave velocity changed by dynamic load was distinguished from that by soil. nature characteristic

    ( 9 )通過試驗運用了骨架波速和黃土加固凝聚力的概念,將飽和的增加引起土的增加對波速的影響與水破壞加固凝聚力對波速的影響區分開來;在相同的壓力和飽和(近似)條件下,採用動力作用前後分別測試彈性波速的方法,將動力荷對加固凝聚力的破壞作用與土樣自身的顆粒組分對波速的影響因素區分開來。
  18. Abstract a new kind of design and implementation of a steganography algorithm based on least significant bit ( lsb ) was proposed, which used chaos system as key to encrypt the steganography information, then according to the image characteristic, adaptively regulated embedding depth

    摘要提出了一種新的利用混沌信號作為鑰流對寫信息進行加,進而根據圖像特性進行分塊,自適應調節嵌入深的最低比特位( lsb )寫演算法。
  19. 6 hours later, the amount of the expression yield of cp accounting for the total protein of the cells was 28. 9 % ( about 2mg / ml cp ). after sds - page, the recovery of cp added the same volume of incomp lete freund adjuvant emulsified completely, injected rabbits by subcutaneous injection. every rabbit was injected 2ml emulsified antigen ( 300ug cp ) once a week

    重組表達導入宿主菌e . colibl21 ( de3 ) ,用終濃為1mmol / liptg誘導, 37培養6小時后, cp基因的表達量達到最高,每毫升菌液含目的蛋白的量約為2mg ; uvi光掃描分析表明cp基因的表達量占細菌總蛋白的28 . 9 。
  20. In order to efficiently improve the stability of the apparatus, a dual - optical detection circuit was adopted. to eliminate the multiple scattering effects on transmittance measurements, the range of the transmittance was limited to 70 - 100 % by adjusting the width of the light flow cell and changing the intensity of the incident light through regulating the load voltage of the laser light source. moreover, the data acquisition software was programmed in microsoft visual bas

    通過調節激光光源負電壓改變光強及調摘要整檢測池的寬,消除了多重散射對透光率的影響,將透光率的變化范圍控制在滿足beer1a毗ert定律的范圍內工將溫、溶液和透光率信號經模數轉換,並用microsoftvisualbasic語言編寫的數據採集軟,實現了實驗過程中各被測量的自動連續採集。
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