片基密度 的英文怎麼說

中文拼音 [piānjīmìdù]
片基密度 英文
base density
  • 片 : 片構詞成分。
  • 密 : 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 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. Third, it is this " moment " of the segment of space - time which based on the the philosophy of the nature and describing the mechanical movement that symbolize the transform from the view of integralization in classical atomism of mathematics to the view of integralization of modern real number

    另外，正是基於新的自然哲學的、作為描述機械運動的時空片段的「瞬」標志著古典數學原子論的積分觀向現代的分割實數連續統的積分觀的轉化，而現代數學的微分概念更是直接源於描述機械運動的速度和與運動軌跡密切相關的曲線的切線問題。
  2. Prepar1ng po1 ypropy1ene / montmori l lon 1 te nanocomposi tes ( pcn ). ma1 ei c anhydride ( mah ) / styrene ( st ) was app1 ied to graft wi th pp and montfnori 1lo - nite was interca1ated by ppalg - - mah / st in the same t1me. effects of intercalat ion agent htab on the basal spaci ng ( d., . )

    首先考察了插層劑對蒙脫土片層間距的影響，小角x -衍射表明在插層劑十六烷基三甲基溴化銨（ htab ）的作用下，無機土片層間距最大可被撐至4 . 0nm ，並且d _ （ 001 ）值與插層劑的濃度大小有密切的關系。
  3. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明， （ a ）熱處理前，隨著基片溫度的增加，薄膜中的低價氧化鈦含量逐漸減少，化學計量比趨于o ti = 2 ；薄膜具有非晶態不緻密的柱狀纖維結構，柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明，在波長為35onzn時嚴重吸收，利用干涉級次法分析了薄膜的光學常數，結果表明，薄膜的折射率隨基片溫度的升高而增加，根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。
  4. Based on the analysis of thin sections by microscope, measurement of porosity and density, and geological setting, we tested the rock physical parameters of sandstone, siltstone, carbonate and other transitional sedimentary rocks by the mts system under formation conditions ( temperatures, pressures and pore fluid properties ). the rocks we tested are from tertiary ( including zhujiang formation, zhuhai formation, enping formation, hanjiang formation ) of zhujiangkou basin in southern china sea. according to the analysis results, we studied the main ultrasonic wave velocity characters of rocks, which are compressive and shear wave velocity and poisson ' s ratio under different formation conditions

    在對珠江口盆地第三系儲集巖進行顯微鏡薄片分析、孔隙度和密度分析，以及地質背景分析的基礎上，利用巖石物理參數測試系統（ mts ）模擬地層條件（溫度、壓力和孔隙流體狀況）測試了珠江口盆地第三系（包括珠江組、珠海組、恩平組、韓江組，以下有關討論同）砂巖、粉砂巖、碳酸鹽巖及其過渡性巖石物理性質，重點研究了不同地層條件下巖石的聲學特徵（巖石的縱橫波速度和泊松比） 。
  5. In the hipib film deposition, high purity graphite was employed as target. relations between process parameters and the microstructure, as well as different physical properties of diamond - like carbon ( dlc ) film deposited by hipib ablated plasma were studied by adjusting the distance between target and substrate, which affects the intensity and ion energy of hipib ablated plasma, and the temperature of substrate in the film deposition processes. the mechanism of film deposition by hipib ablated plasma was explored also

    在薄膜沉積方面，利用高純石墨作靶材，調整薄膜沉積過程中的靶基距（燒蝕等離子體密度、離子能量）和基片溫度，研究實驗工藝對hipib燒蝕等離子體方法制備的dlc薄膜的微觀結構和宏觀物理性能的影響，探討了hipib燒蝕等離子體沉積dlc薄膜的成膜機理。
  6. Basically like “ adaptive approach ”, the method can control triangulation density with respect to the change of normal curvature of the surface generating a small number of triangular facets, and thiny triangles, degenerate triangles and “ cracks ” in 3d space will not occur, but the speed of the algorithm is higher than that of adaptive one

    該方法基本上可以像「自適應」方法一樣，根據曲面的法曲率變化來控制三角化剖分的密度，生成的三角片數量較少，並且可以避免在三維空間產生狹長的三角形、退化三角形與「裂縫」 ，運行速度明顯比自適應方法快。
  7. The key stage of fabricating gene chip is pretreatment of glass surface including the processes of nh3h2o treatment, aminosilane treatment and aldehyde treatment. the pretreatment can grow active group that can bind probe effectively on the surface of glass slide. as a result, the actively treated glass slide can suit for fabricating in - situ synthesis high density gene chips

    基因晶元制備技術的關鍵步驟是玻片表面預處理，即對玻片表面進行羥基化、氨基化和醛基化處理，使表面生長的活性基團能有效固定寡核苷酸探針，以滿足原位合成高密度基因晶元對玻片的要求。
  8. By using a wafer - rotating grinding machine, the influence of the main process factors including grit size of diamond grinding wheel, rotating speed of the wafer chuck table, rotating speed and the down feed rate of the cup grinding wheel on the material removal rate, spindle motor current and wafer surface roughness in grinding large size wafer are experimentally investigated

    摘要利用基於自旋轉磨削原理的矽片超精密磨床，通過試驗研究了砂輪粒度、砂輪轉速、工件轉速及砂輪進給速度等主要因素對材料去除率、砂輪主軸電機電流以及磨削后矽片表面粗糙度的影響關系。
  9. The accelerometer which has simple fabricated process and high sensitivity and small parasitic capacitance and residual stress is hybrid integrated with the interface circuit using ic nude chip. so the density of the package is increased, and the noise of the sensing system is decreased. these found the base of capacitive accelerometer module using the mcm method

    該傳感器製作工藝簡單，靈敏度高，支撐梁採用u型，減小了刻蝕后的殘余應力，用玻璃作為襯底，減小了襯底和硅可動質量塊間的寄生電容，且把傳感器晶元和用ic裸片製作的介面電路集成在一起，提高了封裝密度，減小了傳感器系統的噪聲，為採用mcm技術製作電容式加速度傳感器模塊打下了基礎。
  10. The three different pretreatment methods were adopted respectively in order to increase nucleation density

    為提高金剛石成核密度分別採用以下三種不同的基片處理方法。
  11. When the third pretreatment method was adopted, microwave input power was 700w, gas pressure was 1000pa and substrate was tangent on plasma ball surface, diamond films showed higher nucleation density by contrast

    經過對比採用方案基片處理方式，基片和等離子球處于相切位置時，在微波輸入功率700w和反應氣壓1000pa時沉積工藝參數時，基片成核密度較高。
  12. Gene chips is high density probe array which is composed of nucleic acid or nucleic acid band arranged on the solid support media according to the definite order. it can detect unknown molecule by nucleic acid hybridize principle

    基因晶元是將核酸或核酸片段按照一定的順序排列在固相支持物上構成高密度探針陣列，利用核酸雜交原理檢測未知分子。
  13. Directionally solidified refractory metal matrix eutectic in - suit composites possess excellent mechanical and physical properties such as low density, high enduring temperatures, good room - temperature fracture - toughness and high elevated - temperature strength, therefore are expected to be used as a new type of ultra - high temperature structural materials

    定向凝固難熔金屬基共晶自生復合材料由於具有密度低、承溫能力高、室溫斷裂韌性好、高溫強度高和高溫持久壽命長等性能優勢，有望成為新一代航空發動機葉片用超高溫結構材料。
  14. This chapter optimized the algorithm provided by michael garland and paul s. heckbert based on edge contraction, and the improved algorithm can produce better approximation. a new method provided to simplify triangulated model with appearance attributes, and optimized the method to reduce the complexity in chapter 3. the dissertation advances a new concept : density of meshes, and study the applications of density of meshes in discrete multi - resolution and continuous multi - resolution

    第二章介紹了garland等提出的基於頂點對折疊的簡化演算法，指出了該演算法的一個缺陷並給出了解決方法；將garland的演算法應用到了具有一定屬性的面片上，分析擴展之後演算法的計算復雜度，提出了決解復雜度的方法；第三章節給出了一種新的自動遞進網格演算法，可以實現無二義性，快速恢復等功能；此節提出了一個新的概念：網格密度。
  15. The sto, ybco and sto / ybco thin films were deposited on laalo3 ( 001 ) ( lao ) substrate by pulsed laser deposition ( pld ). the effects of deposition parameters, such as the substrate temperature, the of target - substrate distance, laser energy density, on the properties of the thin fillms were systematically studied. the surface morphology of the thin films was investigated by atomic force microscopy ( afm ) and scanning electron microscopy ( sem )

    採用脈沖激光沉積技術在laalo3 （ 001 ） （ lao ）基片上生長ybco 、 sto以及sto / ybco集成薄膜，系統研究了基片溫度、基片表面狀態、氧分壓、激光能量密度、脈沖重復頻率等工藝參數對薄膜表面性能、結晶情況的影響，優化了ybco 、 sto薄膜生長的工藝參數，運用afm 、 sem 、 xrd等分析手段表徵薄膜的微觀性能，分析結果表明：薄膜表面平整、結晶良好、 c軸織構。
  16. Coplanar waveguides ( cpw ' s ) offer several advantages over conventional microstrips, these include the simplification of the circuit fabrication process, ease of parallel and series insertion of both active and passive components ( without the need for via holes ), and high circuit density. therefore cpw ' s are widely used in microwave and millimeter - wave integrated circuits, optical and high temperature superconductor microwave devices

    與常規的微帶傳輸線相比，共面波導具有容易製作，容易實現無源、有源器件在微波電路中的串聯和並聯（不需要在基片上穿孔） ，容易提高電路密度等優點，因此共面波導被廣泛應用於微波、毫米波、光學和高溫超導等集成電路中。
  17. Unknown displacement and electric potential jumps in the integral equations are approximated with a product of fundamental density function and polynomials, in which the fundamental density function reflects singular behavior of electroelastic fields near the crack front and the polynomials can be reduced to a real constant under uniform loading

    超奇異積分方程中的未知位移間斷和電勢間斷近似地表示為基本密度函數與多項式之積，其中基本密度函數反映了橢圓片狀裂紋前沿電彈性場的奇異性，而多項式在均布載荷作用下可用一個常數來表達。
  18. The mechanism is that the introduced complementary oligonucleotides can bind to the corresponding mrna or double - stranded dna in genome and form partial double - stranded molecules or triple - stranded nucleic acid molecules by sequence - specific and nonsequence - specific antisense action, thus the target gene will be orientationally blocked and expression of the target inhibited so that therapeutic effect could be attained. in this study, we designed a fragment of human c ii ta cdna in antisense orientation using mrna of c ii ta as template. the primers were designed based on 94 - 500 nucleotides segment in 5 " end of ciita gene so that the interested gene contained 407 base pairs which included two aug codons in 1 16 and 188 nucleotides as well as the splicing site between the first and the second exons

    本研究設計以c tamrna為模板的反義cdna片段，從c ta基因5 』端第94位到500位核苷酸段設計引物，目的片段407bp ，覆蓋第116和188位兩個aug密碼子，也包含了第一外顯子和第二外顯子間的剪接位點：用常規分子生物學方法構建了反義片段的腺病毒表達載體（ padeasy - 1系統） ；腺病毒載體經hek293細胞包裝產生含反義片段的重組腺病毒，用氯化銫密度梯度離心法獲得純化的高滴度腺病毒；進行體外基因轉移，分別用反義片段真核表達載體轉染p388d1細胞和用重組腺病毒感染hela細胞，觀察導入的c ta基因反義rna抑制細胞內組成型或誘導型c ta基因表達的作用，從而達到調控mhc -類分子表達的目的。
  19. We used this system to check some representative images on the web, we could got a conclusion that most encode images is easy to decode. without right theory they can ’ t build a robust encoded image. and through thorough experiments by this platform i have concluded such points : single alpha encoded is useless, we must encode all characters as whole ; confusion points are useless, we must use confusion lines which look like stroke ; enlarge base of character such as chinese character, not only digital number and alpha

    並且通過該平臺的廣泛實驗總結出增強圖片加密強度的幾個要點:只加強單個字的加密是不行的，必須把整體作為加密對象，增強字與字之間的干擾;單純的噪點作用不大，具有筆畫特徵的干擾線作用更大;應該引入一些隨機變量，比如每副圖片的字個數隨機，加密方法隨機選擇;增大可選詞匯的基數，可以考慮使用漢字，而不單純是數字和英文。
  20. All the subjects were genotyped by pcr - rflp ( polymerase chain reaction - restriction fragment length polymorphism ) at polymorphic sac i site inside the exon 7 of the ahsg gene. this polymorphism involves a nucleotide substitution of c to g at the middle nucleotide of the codon at amino acid position 238 resulting in the replacement of threonine ( acc ) with serine ( agc )

    所有的樣本通過聚合酶鏈式反應?限制性片段長度多態性方法（ pcr - rflp ）對ahsg基因的第7個外顯子內的sac多態性位點進行基因分型，該多態性位點為238號氨基酸密碼子中間的堿基c到g的替換，使蘇氨酸（ thr ， acc ）變為絲氨酸（ ser ， agc ） 。
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