有向通道 的英文怎麼說

中文拼音 [yǒuxiàngtōngdào]
有向通道 英文
directed walk
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 通量詞(用於動作)
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. In the 1990s, the pheromones of gram - positive bacteria, which regulates the growth and toxin secretion of the same type bacteria, were identified they were peptides consisted by dozens of amino acids. the pheromones can auto - recognize membrane receptor of the identical types of bacteria. we had constructed a fusion protein named pheromonicin by introducing a staphylococcal pheromone agrd at the c - terminal of the colicin ia

    丘小慶等利用信息素的自主導特性和大腸菌素ia的致死性特性構建了由金黃色葡萄球菌信息素agrd和大腸菌素ia組成的融合蛋白,命名為pheromonicin ,該蛋白表現出了信息素和大腸菌素ia都不具的抗金黃色葡萄球菌活性。
  2. Turkey certainly has a legal obligation to open trade links with the ( greek - cypriot ) republic

    土耳其當然法律義務(希族)塞普勒斯共和國開放貿易
  3. Ahead there was a ditch running into the river.

    前頭的水溝。
  4. Because of huge data quantum and high demand of channel bit error rate for video transmission, and fallibility, time variability and limited band of wires channel, wireless video system is faced with lots of problems

    由於視頻業務的數據量大、對誤比特率要求高,無線又具易錯、時變和帶限的特點,因此的誤比特率要比線環境大得多,且隨著基站和終端位置、方的改變而變化很大。
  5. Key recommendations and suggestions include blaze - proof lifts, sky bridges linking high - rise buildings and curbs on mobile phones during evacuations. " it would add tragedy to tragedy if we did not learn from 9 11, " said the study ' s leader, professor ed galea of the university of greenwich. galea and his team analysed the written accounts of 250 survivors of 11 september, 2001, and found they show a startling variation in human behaviour

    據英國觀察家報10月30日報,英國格林威治大學教授加利亞領導的一個研究小組在研究了250名「 9 11 」倖存者的書面報告之後認為,未來超高層建築的設計應該增設防火電梯拓寬逃生建設跨樓天橋,以便發生危機情況時利於人員疏散,樓內人員則應該盡快逃生,而不是把時間耽誤在用手機親戚朋友報信上。
  6. Sun - the sun dete generally denote one of an obscure white colour mixed with red ; a round face, and short chin, a fair stature, and one of comely body ; his colour sometimes betwixt yellow and black, but for the mod parts more sanguin then otherwayes : a bold man and resolute, his hair curling ; he hath a white and tender skin, one desirous of praise, fame and estimation amongst men ; he hath a deer voyce and great head, his teeth somewhat distort or obliquely set, of slow speech but of a composed judgment ; using outwardly a great decorum in his actions, but privately he is lascivious and inclinable to many vices

    太陽-太陽常指示白色混合紅色的眼色色;圓臉,短下巴,勻稱的身材,漂亮的體形;他的膚色時候介於黃色和黑色之間,但是思想更樂觀,另一方面他還個勇敢堅決的人,他的頭發捲曲;他白嫩的皮膚,渴望得到贊揚,名望和人們的肯定;他的牙齒稍微點不歪曲和傾斜,說話速度慢但是著沉著清晰的判斷;外表看來他的行為非常禮貌彬彬禮,但是私下的他是好色的,並且傾德敗壞的事。
  7. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具參考意義
  8. According to horodeckis, the coherent information of entangled state is supposed to be the lower bound of one - way distillable entanglement. this postulation is called hashing inequality, which is crucial in proving noisy channel coding theorem. it is shown that there are no direc

    根據horodecki等人的研究,糾纏態的相干信息推測是單蒸餾糾纏的下限,該假設稱為hashing不等n式,對證明編碼定理至關重要
  9. Through the study we know the valley of syncline and the peak of anticline are all good storing places of ore - forming element. to form large industrial ore deposit, the condition of magma channels and the metallogenic fluid must be up to the mustard synchronously

    研究結果表明,礦體的形成過程中,斜構造的凹部和背斜構造的軸部虛托部位都是成礦的利位置,但僅此還不夠,還應該較好的條件和豐富的含礦流體來源。
  10. The proportion of plastic shrinkage cracking is rather high in early cracking. the plastic shrinkage cracking would effect construction appearance and promote the propagation of drying shrinkage cracking or other types cracking, but also provide a passage for aggressive agents penetrating and moving to the concrete mass

    塑性收縮裂縫在早期裂縫中佔相當大的比重,其存在不僅影響工程外觀,促使乾燥收縮裂縫或其它形式裂縫的發展,而且還將為侵蝕性介質混凝土基體滲透、遷移提供,對混凝土的耐久性造成嚴重影響。
  11. The v was tested by yjy stress transducer with mvad card by the methods of recording the deformation in the wideness and thickness direction of the specimens during the tensile test. a stable auxetic polyolefin blend with the minimal value - 1. 4 was observed after repeated test

    採用附mvad卡的yjy型片式傳感器,記錄試樣在拉伸過程中寬度和厚度方的形變並根據泊松比的定義進行計算,反復實驗后獲得最小值為- 1 . 4的負泊松比烯烴共混體系。
  12. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流,沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高,沖擊間距比為2時換熱效果最好;沖擊孔中心線封閉一側傾斜后,射流沖擊冷卻的范圍變窄,當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流,孔排間距與直徑比的增加使沖擊冷卻范圍變大,但在兩排孔之間區域的對流換熱系數所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下,後排射流的沖擊換熱效果要遜於前排射流。
  13. Offer the most direct and efficient opportunities for domestic companies going aboard ; providing the most convenient and fastest channel for foreign companies coming into china

    為國內企業走全國、邁世界提供最直接、最效的機遇;為國際品牌進入中國市場提供最便捷、最快速的
  14. Thispaperhasstudiedonthedatalinkinterfacetechniqueoftacticalcontrolsystem. firstof all, functional requirement and the important role of data link interface in tactical controlsystem is introduced ; secondly, with object oriented method, the characteristic of uav taskcontrol process is analysed, and then uav task control information model is established, anddata link interface standard of tactical control system is designed based on this model, including message format and transmission mechanism ; thirdly, data link control module isdesigned based on embedded linux operating system and has realized conversion betweendata link standard interface and the private interface of uav data link ; and then, combinationreal time corba middleware and its event channel, data link control modular componenttechnology is studied, and realization scheme is put forward ; finally, demostration is madebased on prototype of tactical controlsystem, which verify the validaty of data link interfacestandardandembeddeddatalinkcontrolmodules

    本文對戰術控制系統中的數據鏈介面技術進行研究:分析了數據鏈介面在戰術控制系統中的功能需求;採用面對象的方法,分析無人機任務控制問題,建立了無人機任務控制信息模型,並基於該模型設計了數據鏈介面信協議,包括報文格式和傳輸機制;基於嵌入式linux系統設計了數據鏈介面控制模塊,實現了數據鏈標準介面與無人機數據鏈私介面之間的相互轉換;結合實時corba中間件及其事件,研究了數據鏈介面控制模塊組件技術,並給出了實現方案;過戰術控制原理實驗系統的演示實驗,驗證了數據鏈介面信協議和嵌入式數據鏈介面控制模塊的效性。
  15. Based on the epwp and wpwp in conjunction with abnormal north and west wind, a new possible iii mechanism is provided for the evolution of the 1997 / 1998 el nino. to be specific, the warm kelvin wave propagating to east excited by the abnormal west wind can suppress the cold upwelling flow in the eastern pacific, which, in turn, is favorable to the eastern pacific sst increase ; abnormal west wind can make the warm water of the wpwp east edge extend to east, which is conductive directly to eastern pacific sst increase ; the abnormal west wind propagating to east can make the sea surface warm water near two equatorial laterals converge to the equator by ekman drifting, which, in rum, strengthens the downwelling flow near the equator, leading to eastern pacific sst increase

    將東、西太平洋暖池及異常北風、西風一併結合起來考慮,提出1997 1998elnino事件發生、發展的一種新的可能機制:異常西風激發東傳的暖kelvin波對東太平洋的冷上翻流抑制作用,從而利於東太平洋海表溫度增加;異常西風驅動西太平洋暖池東端暖水東伸展直接利於東太平洋海表溫度增加;東傳的異常西風可以過埃克曼漂流效應將赤兩側的海表暖水輻合從而加強了赤附近的下沉流,也利於東太平洋赤附近海表溫度增加。
  16. Subject covers all major areas of cellular and molecular neurobiology including excitable cells and membranes, ion channels and receptors, synaptic transmission, cell type determination, axon guidance and targeting, neuronal cell biology, synapse formation and plasticity

    本學科涵蓋了細胞分子神經生物學的所主要領域,包括興奮細胞和細胞膜、離子和受體、突觸傳遞、細胞類型決定、軸突導和定位、神經元細胞生物學、突觸形成和可塑性。
  17. Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量機酸及co2帶到與之相鄰的儲集層中,並沿著利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供及宿住空間,從現今的勘探結果來看,過研究地層異常壓力縱橫分佈特徵,並結合利相帶研究預測次生孔隙育良帶是行之效的方法
  18. Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量機酸及co2帶到與之相鄰的儲集層中,並沿著利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供及宿住空間,從現今的勘探結果來看,過研究地層異常壓力縱橫分佈特徵,並結合利相帶研究預測次生孔隙育良帶是行之效的方法
  19. The article consists of three parts mainly : the first part has described the method of detecting the faint signal, mainly include : detection technique of faint signal, principle of the optical fibre sensor, the little lose effects when optic fibre little curved, and the research of the stress sensor of optical fibre. the second part emphasizes on the design of the intelligent photoelectricity system, mainly tells the design of the circuit to process the faint photoelectricity signal, details the software and hardware design of intelligent photoelectricity system made of single chip microcontroller, led, man - machine interface, communication interface, etc. the third part is the network communication of the detection system, details the technology of single chip microcontroller how to group the network, and the communication between single the chip microcontroller system and the modem, and how to realize the data between the field and computer central exchanged through the existing public phone network

    文章主要分為三部分:第一部分論述了微小信號的檢測方法,主要包括微小信號的檢測技術、光纖傳感器的原理、光纖微彎損耗效應及光纖應力傳感器的研製;第二部分重點講述了智能光電檢測系統的研製,主要講述了微弱光電信號調理電路的設計及由前(后)、單片機、 led 、人機介面、信介面等組成的智能光電系統的軟硬體的具體設計;第三部分為檢測系統的網路信部分,具體闡述了單片機系統間的組網技術、單片機和modem之間的信及過現的公用電話網路實現遠程監控的技術,實現現場檢測系統與橋梁測控中心的數據交換。
  20. The stability perturbation bounds of a single - input - single - output system with both parametric and dynamic uncertainties is studied. the parametric uncertainties of the systems are described by interval perturbation mode, and the dynamic uncertainties are characterized by an integral quadratic constraint. based on the concepts of the minkowski functional, the problem of stability perturbation bounds is discussed, and for different uncertainty structures of the systems, the infinite stability checking problem of the mixed uncertain system can be converted to finite vertex - checking results and the edge - checking results

    系統的正為帶參數不確定性的線性系統,其不確定性為區間攝動模式,反饋為由積分二次約束給出的輸入輸出不確定性加以描述。用minkowski泛函給出區間攝動模式下的攝動界的定義,並給出參數空間中混合攝動模式下系統攝動界的估計式。
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