水平分度頭 的英文怎麼說
中文拼音 [shuǐpíngfēndùtóu]
水平分度頭
英文
index table-
And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center
我們分別以苯、二苯乙烯、噻吩為中心,氨基、二苯氨基和二乙氨基為電子給體,硝基為電子受體組合形成的分子為研究對象,在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度,重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明,分子長度與單光子吸收強度之間有密切關系,而在雙光子吸收中這種關系較弱;中心在雙光子吸收中具有重要的作用;在中心和受體一定的情況下,增加給體的供電子能力,可提高雙光子吸收強度。1, cut over a head : bring up to combine the applied technique most and early for the toshiba, and is also current usage to is the most extensive. he adopts a laser head, and prepare the different slice of 2 focal distances the sony for cut over, passing the conversion differently focusing the coming respectively reading dvd with cd, its shape looking with double head to resemble respectively, because can see two sets focuse the, laser head to interiorly can t see. he reads the signal quantity is higher, but because of want the conversioning to focuse the, therefore the cost belong to the inside and so forth of level, and recognize the dish speed slow, same the implicit mechanical trouble rate is high
1切換雙鏡頭:為toshiba最早提出並應用的技術,也是目前使用最廣泛的。他採用一個激光頭,分別準備2個焦距不同的鏡片切換,通過轉換不同的聚焦鏡來分別讀取dvd和cd ,它的外形看起來與雙頭的sony相似,因為只能看到二組聚焦鏡,激光頭在內部看不見。他讀取信號質量較高,但由於要轉換聚焦鏡,所以成本屬于中等水平,認盤速度較慢,同樣隱含的機械故障率比較高。The results of field observation showed that mucky clay in the shore slope of the wharfs was the stratum with the most obvious horizontal displacement and most of the pile heads close to the retaining walls inclined towards the land to different degrees, agreeing well with the inclination of pile heads as observed on site
原型觀測結果表明:碼頭岸坡內的淤泥質粘土層為水平位移最明顯土層,靠近擋土墻的大部分樁頂都出現了不同程度的向陸側傾斜,這與實際見到的樁端傾斜狀況完全相符。Through the analysis of hydrological yeologys features by analyzing the gielding water of mining section, the critical value of waterhead, the critical thickness of water - resisting layer and othr hydrological geology factors concerned, the researches on the feasibility of the extraction of eastern mine area liyi mine at - 660m under ground with the menance of high - level limestone water have been done
主要通過水文地質特徵分析,從采區涌水量、臨界水頭值及臨界隔水層厚度及相關的水文地質因素對李一礦- 660m水平東翼采區在高水位灰巖水威脅下開採的可行性進行了研究。The hybrid density functional theory at ab initio level was applied to study solvent effects on geometrical structures, charge distribution, and solvatochromic shifts of 4 - nitro - buta - 1, 3 - dienylamine molecule
摘要在從頭計算的水平上,利用雜化密度泛函理論研究了溶劑對4 -硝基1 , 3 -丁二烯基胺分子的幾何結構、分子內的電荷分佈和電荷轉移態的能量漂移的影響。This thesis first comprehensively introduced the domestic and international present research state and the development trend of the fem ( finite element method ) in the city bus design and the stress analysis research. it elaborated the application of the fem in the strength and stress concentration analysis of the bus body frame. the domestic research started later than abroad lags behind now, so we need to expedite the research speed to catch up the level of the international research
本文首先較全面地介紹了國內外客車設計與應力分析中應用有限元法進行研究的現狀和發展趨勢,論述了有限元法在客車車身骨架強度和應力集中分析中的應用,並闡明國內起步較晚所以與國外研究水平存在一定的差距,需要加快研究速度迎頭趕上。( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6
( 3 )通過對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現: 60m管長的毛管平均壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方;大部分水頭損失發生在毛管的前半部分;壓力均勻度隨孔徑的增大而減小,但與初始工作水頭關系不密切;在1 . 5m以下的工作壓力下運行,沿程出流均勻度隨孔徑的增大而降低,當孔徑不大於1 . 0mm時,灌水均勻度可以達到60以上;當孔徑大於等於1 . 2mm時,灌水均勻度低於50 。Longgang nature reserve plays an important role in preserving two langur species of both white - headed langur and francois langur. interview and field survey methods were used to survey the distribution and population size of these two langurs in this natural reserve from december 2001 to january 2002. the result indicated that the reserve has 8 groups of white - headed langur with 68 individuals in longrui and 10 groups of francois langur with 75 individuals in longgang. the distribution area and population size of both of the two langurs in this reserve have greatly declined in the past decades. they are seriously threatened and have high risk of disappearance from this reserve if no effective measures are to be taken at once
為了確定弄崗自然保護區內白頭葉猴的種群數量,彌補黑葉猴種群數量的空白,掌握此保護區葉猴的生存現狀,採用訪問法和實地數量統計法相結合的方法對弄崗自然保護區的弄崗、隴瑞和弄呼3個部分進行深入的調查研究.調查結果表明,在隴瑞片范圍內,共有8群白頭葉猴,種群大小在68隻左右,和20世紀80年代末的244隻相比,數量下降相當驚人;在弄崗片內,共記錄到黑葉猴群10群,最大的種群為11隻個體,最小的種群是4隻個體,共計約有75隻黑葉猴(絕對數量統計) ;弄呼的黑葉猴種群已經于上個世紀的晚期消失.造成目前狀況的因素主要是過度狩獵和其他形式的過度干擾.弄崗自然保護區的葉猴種群數量已經接近可持續繁殖種群的最低水平,如不採取有效的保護措施,這個種群將很可能在短期內消失Travel time is the key point of system, its measure quality decides the survey precision of the stress. time to digital convertor ( tdc ) was applied to accomplish the precision time interval measurement. at the same time, one transmitter - two receivers probe arrangement and zero - crossing detecting method were also applied to reduce the errors in measurement
傳播聲時是整個測量系統中的關鍵量,其測量水平決定應力的測量精度,對此本文採用時間-數字轉換器( timetodigitalconvertor , tdc )完成高精度時間間隔測量,在實現過程中又分別採用「單端發射-雙端接收」的探頭布局模式和「過零檢測」手段來降低系統檢測誤差。The study on the comprehensive evaluation of agricultural science and technology park : ( l ) the study on the benefit evaluation. this study choose ten indexes by adopting principal components analysis method to analyse and evaluate the benefit of the national agricultural science and technology parks ; ( 2 ) study on the comprehensive evaluation index system of china agricultural science and technology park, ( 1 ) the scientific evaluation index system. the study established synthetic evaluation indices system of agricultural science and technology park from the aspects of the basic condition and ecological environment, macro - development, the construction effects and the development conditions of tap - enterprises ; the weights were determined by using improved hierarchy analysis method
農業科技園區綜合評價研究: ( 1 )國家農業科技園區效益綜合評價研究本文選取10個技術經濟效果指標運用主成分分析方法對部分國家農業園區2002年的效益進行綜合評價; ( 2 )農業科技園區綜合發展水平評價研究本文根據科研和經營管理的需要,從科學性和實用性的角度構建兩套農業科技園區綜合評價指標體系。科學性角度評價(綜合評價體系1 )以科技成果轉化為切入點,從園區的宏觀發展、基礎條件和生態環境、科技支撐、產業帶動和人力資源培養及園區龍頭企業發展等方面創立了一套較為完整科學的園區綜合評價指標體系。The hydraulic analysis of pump for suction penetration of bucket foundation as well as the pressure head relation between bucket cavity and pump inlet for different water depths and different pump mounting heights are described in this paper
對桶形基礎平臺負壓沉貫過程中汲水泵機進行了初步水力分析,討論了不同水深、不同泵機安裝高度情況下,桶腔和泵機進口之間的壓頭關系。The article has researched the intention of agricultural industrialization which is guided by market and mainstay enterprises, based on agricultural product base organized by a lot of families, and characterized by joint management and mutual benefit. it also realized production specialization, product commercialization, service socialization and etc. the article has also researched the existing conditions of agricultural industrialization both at home and abroad. although it is different in national conditions and actual practice, the developed countries follows the market economic law and naturally steps on the road of agricultural industrialization. as the continuous reforming and opening up, china actively explores and enhances the management level of agricultural industrialization. the writer uses system changing theory, scale management theory, trade expense theory. market system theory and industrial economics theory, to put forward the main type of mainstay enterprises, which is divided by ownership, organization form, contact form and product. the writer thinks that development of mainstay enterprises can promote effective joining between small production and big market, the developing of high - benefit agriculture, establishing trade / industry / agriculture operation system, region economics and joining process between urban area and rural area. the existing conditions in strengthening the mainstay enterprises in zhaoyuan embodies continuous expanding in scale. continuous widening in fields, continuous enhancing in benefits, continuous improving in techology and quality. by finding the problem and shortage in product quality, developing ability and scale strength, the article has put forward the following views : face to market and enhance quality and techological content of agricultural products ; enforce flexible policy and investments ; establish fair and reasonable benefits joining system. the article has also put forward the countermeasures and suggestions on enhancing the enterprises ' management level
文章研究了農業產業化經營的內涵,明確其以市場為導向、以龍頭企業為依託、以一大批農戶組成的農產品生產基地為基礎,形成農工商有機結合、風險共擔、利益均沾的本質特點,表現出生產專業化、經營一體化、企業規模化、產品商品化、服務社會化等特徵。分析了國內外產業化經營的現狀,認為盡管各國的國情不同,具體的做法和叫法不盡相同,但是經濟發達國家都遵循市場經濟規律,很自然走上了農業產業化經營的道路,發展中國家紛紛仿效,中國也隨著改革開放不斷深入,積極探索發展提高農業產業化經營水平。作者運用制度變遷理論、規模經營理論、交易費用理論、市場機制理論和產業經濟學理論,提出了龍頭企業從所有制形式、從組織形式、從聯系方式及從產品上劃分的主要類型;認為發展龍頭企業有促進小生產與大市場的有效對接、推動優質高效農業縱深發展、建立貿工農一體化運行機制、振興區域經濟、加速城鄉一體化進程等作用;考察了招遠市壯大龍頭企業推進農業產業化的現狀,表現在規模不斷擴大、領域不斷拓寬、效益不斷提高、技術不斷改進、質量不斷提高等方面;找出了龍頭企業產品質量上、開發能力上、規模實力上和行業自律上的問題和差距,提出了要面向市場,努力提高農產品的質量和科技含量,多策並舉,搞活投入機制,建立公平合理的利益聯結機制,加強行業自律,提高企業經營管理水平等對策和建議。The height of the landscaped deck i. e. 16 mpd would be similar to the existing star ferry car park, while the highest part of the groundscraper i. e. 50 mpd would be lower than the city hall high block
園景行人平臺的高度主水平基準面以上16米與現時天星碼頭停車場的高度相若,而"橫向型樓宇"最高部分的高度主水平基準面以上50米則會較大會堂高座為矮。4 ) the dynamic interaction factors of pile groups under horizontal earthquake actions and dynamic forces considering axial loads are first derived in this field, and the affection degree of the factors by the axial loads are investigated
4 )首次推導了考慮軸向力時水平地震作用下和樁頭動力作用下群樁動力相互作用因子,分析了軸向力對動力相互作用因子的影響程度。3 ) the single pile horizontal dynamic impedance function in visco - elastic ground considering axial loads is first derived in this field, and the parameter analysis shows that the variation of single pile horizontal dynamic impedance cannot be neglected when considering the axial loads, and it ' s appropriate to considering the axial loads when calculate the single pile horizontal dynamic impedance
3 )首次推導了粘彈性地基中考慮樁頭軸向力時單樁的水平動力阻抗函數,通過參數分析發現,軸向力對單樁動力阻抗剛度存在不可忽略的影響,當軸力較大時,計算單樁的動力阻抗以考慮軸力為宜。Basic function : heat source is anti - blast infrared - tube made of microcrystal quartz ;, continuosly variable mattress tilt, radiant head can two - directory rotate on horizon, x - ray cassette shelf under infant bed ; high - bright erdiate lamp detect lightness ; advanced microprocessor control temperature system, auto - heated mode, separately display set temperature and real temperature ; 4sound - light alarm capacity : set - off, fan, sensor, over temp.
基本配置:採用了防爆型微晶石英紅外管作輻射熱源,嬰兒床斜傾角度有級可調,輻射頭可在水平位置上雙向隨意轉動,嬰兒床下內設有x光暗盒架,檢查照明採用高照度射燈,溫度控制系統採用先進的計算機控制,自動加熱方式,設定溫度和實際溫度分屏顯示,有四種聲光報警功能(溫度上下偏差、傳感器、斷電、超溫) 。Basic function : heat source is anti - blast infrared - tube made of microcrystal quartz ; continuously variable mattress tilt, radiant head can two - directory rotate on horizon, x - ray cassette shelf under infant bed ; high - bright eradiate lamp detect lightness ; advanced microprocessor control temperature system, autoheated mode, separately display set temperature and real temperature ; 4 sound - light alarm capacity ; set - off, sensor, over temp
基本配置:採用了防爆型微晶石英紅外管作輻射熱源,嬰兒床傾斜度有級可調,輻射頭可在水平位置上雙向隨意轉動,嬰兒床下內設有x光暗盒架,檢查照明採用高照度射燈,溫度控制系統採用先進的計算機控制,自動加熱方式,設定溫度和實際溫度分屏顯示,有四種聲光報警功能(溫度上下偏差、傳感器、斷電、超溫) 。Experimental constants include : ambient temperature 291k ~ 301k, rh 15 % ~ 21. 2 %, wind velocity 3. 2m / s at the nozzle position and horizontal to the spray fan, others are same as the fore experiment. the tendency of the two experiments results is consistent with the tendency from simulation. that indicate the improved shield spray is better than the original shield spray in reducing spray drift, and also more better than conventional spray without shield
風洞試驗參數:噴霧藥液為含1 bsf的水溶液,風速1 . 4m s ,風向垂直於噴霧扇面,溫度281k 288k ,相對濕度rh9 20 ;室內試驗參數:噴霧藥液為含2 bsf的水溶液,噴頭處風速為3 . 2m s ,風向平行於噴霧扇面,溫度291k 301k ,相對濕度rh15 21 . 2 ;分別在噴頭下風向噴幅外的空中和地面布點收集飄失和飄移沉積的霧滴量,作為評價減少霧滴飄失效果的指標:試驗結果表明:改進后的罩蓋噴霧減少霧滴飄失的效果好於雙圓弧未開口罩蓋噴霧,常規無罩蓋噴霧的霧滴飄失量大於開口罩蓋噴霧。Second, face region ' s horizontal gray - level projection is used localize the top of the head and the middle of the nose. three, the face structure mode utilized to estimate the positions of eyes, and the edge features are checked to give the proper positions of eyes
之後利用人臉區域的水平灰度投影確定頭頂至鼻中部的上下邊界,然後利用人臉比例模型估計人眼的大概位置,分析人眼區域的邊緣圖像,給出人眼的確切位置。分享友人