lt ratio 中文意思是什麼

lt ratio 解釋
轉向比 轉向機構的傳動比
  • lt : x線斷層照相術
  • 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. The detecting and measuring instrument used for detecting and measuring surface tension by means of bio - solution and sense finding methods at moving conditions is developed in order to detect and measure surface tension adsorptive ratio and diffusivity of the active substance of the alveolus surface and other life - forms. the alveolus burned by breath in the high temperature condition or damnified with serious sickness will destroy the active substance of the alveolus surface. detecting and measuring surface tension of the active substance of the alveolus surface and other life - forms can help us determine the extent of pathological changes or damnification of the alveolus or other apparatus which can produce the active substance. lt is the research problem of the modern times medicine

    生物液智能表面張力動態測試儀是為測試肺泡肺液表面活性物質的表面張力、吸附率和擴散率以及其它生物液的表面張力而研製的。高溫條件下通過呼吸而燒傷肺部,或者因某些嚴重的疾病而損傷肺部都將會破壞肺部表面活性物質。通過測試肺泡或其它生物液表面活性物的表面張力,可以幫助我們測定肺泡或其它產生活性物質的器官病變損傷的程度。
  2. Spf chickens with 21 - day - old were infected subcutaneously with oil - emulsion vaccine of ibdv of germinal or cellcular and injected intramuscularly with different dosages bursin which gain through ultrafilter. lt is proved that bursin of chickens and ducks can both shorten the time of antibody induced against ibdv, raise the level of serum antibody. they make chickens obtaining strong immunocompetente in a short time. agp liters of the group of infecting 0. 4mlcbs + ibdv of germinal and 0. 8mlcbs + ibdv of cellcular or 0. 8mldbs + ibdv of germinal and cellcular are higher than immune control group about 2 liters averagely. the chickens were inoculated with ibdv live vaccine mixed with the different dosages of lyophilized bursin by the eye drop method. the results sugest that cbs or dbs of different dosages can both improve the antibody inducation to different age chickens against ibdv. they may also alleviate the immunological injury of activated virus to bursa of fabricius. and promote the repairation of the lesion. it can be found that bs can raise body weight gain and feed coversion ratio

    將超濾獲得的法氏囊活性肽分別以不同劑量肌肉注射21日齡spf雞,同時頸部皮下注射ibd胚毒或細胞毒滅活苗,結果表明:雞、鴨法氏囊活性肽都能夠縮短ibd油苗誘導產生抗體的時間,提高抗體水平,使雞可以在比較短的時間內獲得堅強的免疫。 0 . 4mlcbs胚毒組和0 . 8mlcbs細胞毒組或0 . 8mldbs胚毒和細胞毒組的agp抗體滴度平均比免疫對照組高2個滴度。將法氏囊活性肽與ibd活苗聯合免疫雞,結果表明:不同劑量的cbs和dbs都可以對不同日齡雞ibd抗體的產生有不同程度的促進作用;還可以減少弱毒對雞法氏囊組織的損傷,加快其修復。
  3. The paper investigated the process for synthesized the lithium cobalt oxide. in a lt - solid state reaction, co3o4 and li2co3 particles mole ratio 、 mixing time 、 grinding time and drying temperature are discussed, the grinding time is decreased notably and the mixture is more homogeneous than the traditional co3o4 particles

    以自制超細co3o4為原料,進行了鈷酸鋰固相法合成反應,研究了影響整個過程的各個因素,優化了混合、研磨、固相反應溫度、以及洗滌除雜等工藝參數。
  4. The first part of the paper is designing the testing project for grounding resistance and insulation resistance in a new way. using 16bits ad converter with programmable control amplifier replaced the way which used changing resistance to change measure range. lt is not only improved testing precision and develop the system expediently, but also reduced the area of the circuit boardwith the new way. in order to make the electric implement safety testing system have upstanding expansibility, the software and hardware of the system adopted the modularization design. adopted mcu atmegal28 as a master mcu which control mmi, realtime clock and communication with slaver mcu. atemga8 as the slaver mcu to realize testing function. so it is easy to add or reduce the testing project. the testing implement system has been developed successfully, and the comments for the system is that it has high precision, high expansibility and easy maintain. but considering the electric implement system should have intelligence and humanity abi lity. so this paper bring forward a scheme of electric equipment safety testing embedded system with speech control. after introduce the basic theory of speech recognition, the paper expatiate the characters of this system. the system is a noise conditon, not special people, small glossary, insulation word system. with these characters design the speech recognition as fellow. utilizing cross zero ratio and short energy to ensure jumping - off point and end point ; adopting mfcc as the character parameters of speech recognition ; the character parameters than be recognized by dtw. in order to ensure the credibility of this project, first realized by matlab in computer

    在介紹了語音識別的基本原理后,闡述了本系統的特點:本系統是一個噪聲環境下非特定人、小詞匯量、孤立詞的語音識別系統。根據本系統的這些特點設計了如下語音識別方案:利用過零率和短時能量相結合的方式確定語音端點;採用mel頻率倒譜系數( mfcc )作為語音識別的特徵參數;得到的特徵參數最後通過動態時間規整( dtw )的模式識別方法進行識別。為了確保本系統實現方案的可靠性,首先通過計算機利用matlab軟體來模擬,在演算法模擬實現后又進一步增加環境的復雜性:加上較大的環境噪聲、突發性的噪聲等,再通過修改參數、修改參考模板、兩級識別等各種提高語音識別精度的方法來提廣東工業大學工學碩士學位論文高識別率。
  5. This butch of beams use 525 # common portland cement, the water - cement ratio is 0. 53, the design strength is c35. lt is cut apart to 150x 150x 150mm3 cube with cutter

    該批混凝土梁採用525 』普通硅酸鹽水泥,水灰比為0 53 ,設計強度為c35 。用切割機切成150x150x150mm 』的立方體,測得其立方體抗壓強度為41
  6. Thirdly, a modified extended chirp scaling ( ecs ) algorithm is presented, which solves the problem of producding fine focused images in the class of chirp scaling ( cs ) algorithm. lt can be used for uwb - sar imaging effectively. the phas e error produced by cs operation are analyzed. a windowed process in two dimension frequency domain before cs operation are proposed. it can improve the quality of image and widen the effectively swath and increase the peak to sidelobe ratio ( pslr )

    然後針對chirpscaling ( cs )類演算法不能對參考點精確聚焦的問題,提出了一種改進的擴展cs ( ecs )演算法,實現了對uwb - sar的高效成像;分析了cs操作產生的相位誤差,提出在cs操作之前在二維頻率域對信號加窗,除有效提高信號的峰值旁瓣比( pslr )外,還可以提高圖像質量,增加有效測繪帶寬度。
  7. The rule of settlement and pore stress is educed too. then it is compared with the case which is found in site. finally, the paper studies the computing method of pile to soil stress ratio of rigid pile composite foundation with cuhion, and these conditions are thought that the top of pile pierce into cushion and the bottom of pile pierce into underlayer. lt is assumed that the cushion is ideal elastic mass and ideal elastic - plastic mass, then the formula is developed and all parameters " effects to stress ratio of pile to soil are discussed

    最後,推導出了帶墊層的剛性樁復合地基樁土應力比的計算公式,這個公式將墊層分為彈性體和理想彈塑性體兩種情況分別進行推導,考慮剛性樁刺入墊層和下臥層的情況,並對公式進行了分析,得出了在剛性樁復合地基中樁土應力比隨著墊層模量和樁模量的增大而增大,但都有一極限值,隨樁間土模量的增大而減小,也有一極限值。
  8. 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。
  9. The dependence between the ratio of znso4 / ( znso4 + feso4 ) in solution and the deposits microhardness was studied. lt showed that amorphous state deposit had higher value

    隨后研究了鍍層的顯微硬度隨鍍液中znso4 ( znso4 + feso4比值的關系,結果表明,鍍層為非晶態時,顯微硬度最高。
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