fd 中文意思是什麼

fd 解釋
場解吸
  1. E. coli xl1 - blue cells were tansformed by psurfpga and phages were rescued by m13ko7 helper phage particles. results showed that the heterodimeric enzyme was expressed as a fusion protein that matures to an active biocatalyst connected to the coat protein of phage fd

    以構建的噬菌粒psurfpga轉化具有琥珀突變的大腸桿菌xl1 - blue ,以輔助噬菌體m13k07超感染,進行青霉素g酰化酶基因的表達和在噬菌體表面的展示。
  2. Improvement of model fd contra - rotating auxiliary fan

    型對旋式局部通風機的改進研究
  3. Then we found the theory model when we study the embranchment wave - guide using fd - bpm

    接著我們建立了fd - bpm在分析分支光波導器件時所需的理論模型。
  4. Main products : live white jade snail, canned meat of snail, frozen meat of snail, snail enzyme, escargot, helix aspersa ; fresh and dried basil leaves, ad basil, fd basil, basil powder, sweet herb

    芳香植物園項目:芳香植物受到國內外消費者的青睞,產品以其較高的食用藥用和綜合利用價值而倍受歡迎。
  5. A total of 1161 pieces of the iucd, of model copper t380a and batch number fd 010201, had been used by dh s family health services and fpahk between 2001 and 2003

    受影響的子宮環型號屬coppert380a及批號fd010201 , ?生署轄下的家庭健康服務部與家計會於2001至2003年,共使用了1161件。
  6. As the fd can not take shape overnight and has longer latent period, the fd early - warning system become necessary and possible. now domestic researches on fd prefer to look for the financial ratios, which play highly significant roles in predicting fd firms. but it is not enough for establishing early - warning system and preventing occurrence of fd

    目前理論界關于財務危機預警的研究偏重於尋找最具有預測力的財務指標,這僅僅能滿足企業外部人防範財務危機的需要,而不能在企業內部真正建立防範財務危機的預警系統,從根源上防範企業財務危機的發生。
  7. Under the support of federal aghcuiturai research center ( fal ) of germany, a series of experimeflts had been done to compare swr sensor with tdr sensor made by germany and fd sensor made by holland. the results showed that the performance of the swr sensor is as good as other sensors. ln addition, the result further showed that the swr sensor have excellent results in every kinds of soil texture

    在德國聯邦農科院的技術與生物系統研究所( fal )的資助下,做了swr型與tdr型、 fd型土壤水分傳感器的性能對比研究,結果進一步表明swr型土壤水分傳感器的測量結果不僅受土質的影響不明顯,而且說明swr型土壤水分傳感器的性能與國外同類傳感器相當。
  8. Characterization of phenol - formaldehyde resin by fd - ms

    高羥甲基含量硼酚醛樹脂的合成及表徵
  9. Fd federal communications commission

    美國聯邦通信委員會
  10. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  11. The compatibility and harmony among workability, mechanical grade and durability are optimized, with the ground of adjusting composition and dosage of fd - 1 ; after analyzing anti - freezing damage mechanism, it is concluded that temperature is main factor, which affects structure and property of concrete. after two processes of temperature - elevation of hydration heat and temperature - descent of cold - environment, there is original damage in concrete and its existence leads to temperature fields, as results in temperature damage on transition phase > aggregate and cement mortar of concrete

    通過對負溫混凝土早期防凍分析研究認為,環境溫度對混凝土的結構形成及其性能的影響十分突出,水泥水化溫升和環境散熱降溫兩個過程導致混凝土結構內部產生不均勻溫度場,對過渡相、水泥砂漿以及骨料都能產生不同程度的溫度損傷,產生內部溫差應力裂紋,初始損傷也是不可避免的。
  12. Detail datum of the initial temperature distribution, radiation heating, microwave heating, hybrid heating and using the ( fd ) 2td method were given and compared with datum from experimentation

    給出了初始溫度隨時間分佈,輻射加熱,微波加熱,混合加熱,採用( fd ) ~ 2td方法等情況下的數值模擬結果,並與原始實驗結果進行了比對。
  13. After that, we advanced a new optimized fd _ bpm arithmetic. using of this new optimized fd _ bpm arithmetic, we developed numerical simulation program to simulate the waveguide and finish the template by those simulation results. then we analyzed the interdigital transducer ( idt ) and acquired the device parameters

    然後提出了一種改進的有限差分光束傳輸法( fd _ bpm )演算法,利用此演算法對器件所需的波導進行了優化模擬計算,根據這些優化值設計製作了光刻模板
  14. The yarn nfdy 30 / 36 fd and the grey fabric have hastened maturely. at present has produced grey fabric 353t * 64 " woven fabric for garment use. also accept order rip - stop and twill

    36紗與胚布已趨成熟,目前已生產胚布353t * 64 "平紋布,供成衣使用,另可接受格子布、斜紋布等訂單。
  15. Empowered by robust technological strength and sound development platform, we produce cdqc ua series, m2ua series and uabp series three - phase universal frequency conversion variable speed motors, ubpt series three - phase main shaft three - phase frequency conversion variable speed motors, ubps series three - phase main shaft long and thin motors, ubpd series special motors for washing machines, ubpg series three - phase main shaft frequency conversion high speed motors, ut series special motors for oil pumps , sks ac servo motors, fd series special motors for escalators, ta series three - phase permanent - magnet synchronous motors, lk series three - phase asynchronous motors and tp series three - phase permanent - magnet frequency conversion variable speed motors

    德驅馳憑借其雄厚的技術實力和良好的開發平臺,推出了「德驅馳」牌ua系列、 m2ua系列、 uabp系列三相通用變頻調速電機、 ubpt系列三相主軸變頻調速電機、 ubps系列三相主軸低慣量電機、 ubpd系列水洗機專用電機、 ubpg系列三相電主軸變頻高速電機、 ut系列油泵專用電機、 sks交流伺服電機、 fd系列扶梯專用電機、 ta系列三相永磁同步電機、 lk系列三相異步電動機、 tp系列三相永磁變頻調速電機。
  16. On financial derivatives ( fd ) flows, a net inflow of $ 37. 8 billion due to cash settlement of fd was recorded in the third quarter of 2003, compared with a net inflow of $ 22. 0 billion in the second quarter of 2003

    在金融衍生工具流動方面,二零零三年第三季錄得378億元由金融衍生工具現金結算所引致的凈流入,而二零零三年第二季則錄得
  17. The old professor had preside fd over a seminar for ssp heoretical physicis lts

    老教授主持了一次理論物理學家的研討會。
  18. Computational fluid dynamics ( ( fd ) provides a condition for numerically simulating ship fluid flow field with the development and commercialization

    計算流體動力學的發展和商業化,為數值模擬船舶流場提供了條件。
  19. Fault detection ( fd ) technology supervises the status of production process, detect the fluctuation and faults, and locate the fault sources, then isolate and eliminate them. in this way, calamities are prevented and fluctuations of quality of products are reduced

    故障診斷技術通過監督生產過程的運行狀態,不斷檢測過程的變化和故障信息,並在故障發生后,迅速定位故障源,隔離並消除故障,以防止災難性事故的發生,同時減少產生質量的波動,提高產品的競爭力。
  20. Fd film composer

    電影編輯系統
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