根的重數 的英文怎麼說
中文拼音 [gēndezhòngshǔ]
根的重數
英文
multiplicity of a root-
3. shading levels effected on the growth of cultivated plantlet from adventitious buds in plastic house. lower shading level could increase the root development including root number, fresh weight and dry weight
不同遮陰度對花葉玉簪品種不定芽組培苗煉苗的營養生長有較大的影響,低遮陰度能顯著增加植株的根數、根鮮重和根干重。According to the design demands of cad network system for chongqing caff automotive products co. ltd, cad applied to enterprises has been researched deeply and widely. research and practice works have been done in the following aspects : cad network system ' s layout, network topology structure, network devices selection, parameterized design and development based on cad application software, management of network system and design drawings, and etc. engineering practice attained anticipative effect and some useful reference ideas have been provided for construction of cad network system in caff co. ltd
論文根據重慶卡福汽車零部件有限責任公司cad網路系統的設計要求,對cad在企業中的應用進行了深入而廣泛的研究,在以下幾個方面進行了研究與實踐工作: cad網路系統的規劃,網路拓撲結構、網路設備的選擇, cad應用軟體的選擇, cad應用軟體的參數化設計和二次開發,網路系統和設計圖紙的管理等。Originally found gnawing at the roots of the world tree during an excavation, this magnificent chimaera ' s age is impossible to determine
這頭雄偉的雙頭龍,是在一次挖掘行動中被發現寄巢於世界樹的重重深根之下,他的歲數已是無法計量。The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed
較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性,在燃油霧化燃燒中逐步引起人們的重視,尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設計具有一定的指導意義。Field germination, nodulation status and physical growth parameters of seedlings ( shoot and root length, vigor index, collar diameter, leaf number, fresh and dry weight of shoot and root and total dry biomass increment ) were recorded after three and six months of seed sowing
播種的3和6月後,記錄幼苗大田發芽、分枝狀況和其他物理生長參數(枝條或根長、活力指數、莖直徑、葉片數、分枝或根鮮重和干重、總的生物量干重增長)等。In cultivated salvia miltiorrhiza roots, light - colored periderm contained less layers of cells and low ratio of phloem to xylem, compared with those in wild salvia rniltiorrhiza roots
栽培丹參根的周皮細胞層數少、色淡,韌皮部與木質部比值小,而野生丹參根的周皮細胞層數多、顏色重,韌皮部與木質部比值大。According to surface temperature reconstructions for the last 2, 000 years, there is also sufficient evidence from tree rings, boreholes, retreating glaciers, and other " proxies " of past surface temperatures to say with a high level of confidence that the last few decades of the 20th century were warmer than any comparable period in the preceding 400 years
根據對過去兩千年地球表面溫度的重構所得出的結論,以及從樹的年輪、地上鑿洞、退後的冰河線和過去地表溫度的其它「代表數據」中得出的充足證據,可以毫無疑問地講,二十世紀最後幾十年的氣溫要比以前四百年中任何有可比性的時期都高。Based on plenty of domestic and overseas documentation and accurate data about social security, this thesis utilizes a number of research methods, such as analysis, induction, assumption, comparison and historical materialism, etc. in expounding the significance and methods of building up the legal system of china ’ s rural social security in an all - round way from the following four aspects of expatiating on the fundamental issues of social security and the evolution track of china ’ s rural social security, exploring the social and historical rootstock resulting in the long - term predicament encountered by china ’ s rural social security, analyzing the so - called social security function of rural land, demonstrating the significance and routes of building the legal system of china ’ s minimum living security and social endowment insurance for rural residents, so as to reveal that the social and historical rootstock resulting in the long - term predicament encountered by china ’ s rural social security lies in the long - term social structure system of compartmentation between urban and rural areas, which is typically characterized by attaching more importance to industry than to agriculture, drawing profits from agriculture to accelerate industry ’ s development, by studying historically the predicament encountered by china ’ s rural social security, to disclose the serious reality that currently most of farmers lack social security and indicate the great significance of building up the legal system of china ’ s rural social security by refuting the argument that rural land can provide social security function, to clarify the necessity and feasibility of constructing the legal
本文運用了分析、歸納、假設、比較和歷史唯物主義等研究方法,藉助國內外有關社會保障方面的大量研究資料和翔實數據,從闡述社會保障的基本問題與我國農村社會保障制度的歷史演變軌跡、探詢長期造成我國農村社會保障制度困境的社會歷史根源、分析農村土地的社會保障功能以及論證構建農村居民最低生活保障法律制度與農村社會養老保險法律制度的意義和路徑四個方面全面論述了構建中國農村社會保障法律體系的意義和方法,目的是通過對我國農村社會保障困境的歷史性考察揭示造成我國農村社會保障長期積弱局面的社會歷史根源就在於我國長期實行的重工輕農、以農養工的城鄉分割二元社會結構體制,通過對農地社會保障功能觀點的批駁揭示當前廣大農民缺乏社會保障的嚴峻現實,指出構建農村社會保障法律制度的重大意義,通過對構建中國農村居民最低生活保障法律制度和農村社會養老保險法律制度的積極探索論證構建我國農村社會保障法律體系的必要性和可行性。總之,同是作為中華人民共和國公民,無論是農村居民還是城市居民都應該在社會保障方面享有同等的權利。國家不能人為地重工輕農、厚此薄彼。Since the temperature difference was most important parameters in thermal effects calculation, a combined temperature difference method considered year temperature difference and day temperature difference was put forward. with the combined temperature difference obtained from field tests, a lot of calculations have been done by finite element method ( fem ), considering of different structural measures. the law of displacement and stress in cshbb was presented and a relative displacement formula was deduced
在介紹小砌塊建築的溫度作用分析方法的基礎上對溫度作用計算中最重要的參數? ?溫差取值進行了探討,提出了同時考慮年溫差和日溫差影響的組合溫差取值方法;根據各種不同的組合溫差取值方法,結合現場實測數據給出了試點建築的組合溫差取值,並考慮了不同構造措施的影響,對試點建築進行了有限元的溫度效應計算;給出了小砌塊建築的位移變化規律和應力變化規律以及層間相對位移的計算表達式。There existed very significant correlations between drought tolerance and relative values of root dry weight, total root length, and root volume ( per plant dry weight basis ), respectively, which could be used as root indicators of drought tolerance
比根干重、比總根長、比根體積與耐旱隸屬函數平均值均呈極顯著正相關,可作為耐旱性的根系性狀指標。Finally, different parameters in the equation of gravity center measuring are analyzed on basis of error theory and conclusion is reached the degree at which the extra angle increament caused by platform defomity influences gravity center measuring is smaler then the measuring error of angle sensor
最後根據多元函數的誤差理論,詳細分析了重心測試計算式中各參數對重心測試的影響,得出平臺變形引起的附加角變形對重心測試的影響程度要小於角度傳感器本身的測量誤差的重要結論。Verbal protocols were scored on 5 wisdom - related criteria by 3 qualified raters, who used a 7 - point likert - type scale. in such scale, 1 represented poor response, 4 represented average, and 7 represented top response. to obtain the consistency, each rater was supposed to read the manual of the assessment of wisdom - related knowledge ( chinese edition ), another core part of this study
然後,由三位評分者根據柏林智慧範式制定的《評估手冊》 ,分別在智慧的五個特徵維度上對談話記錄進行七點量表的評估,從而完成將文字形式的數據轉變為量化數據的重要工作。The model of variability of submergence depth is established based on the law of volume balance, and the changing trends of parameters like submergence depth etc are analyzed. according to the principle of supply and discharge balance, the method to predict oil yield is presented. subject to different objective functions, the corresponding optimum combinations of suction parameters are analyzed, and the importance of choosing objective function to optimum combination of suction parameters is emphasized
本文研究了油井流入動態關系,根據井筒內液量平衡原理,建立了沉沒度變化的數學模型,分析了沉沒度等參數變化規律;根據油井供、排平衡原則,得出了抽油泵排量系數相對穩定狀態下產量預測的關系;分析了不同目標函數下,油井抽汲參數的組合效果,指出了目標函數選取對參數合理組合的重要性。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well
本課題針對重載道路路面設計中所存在的問題,從重載交通特性出發,收集分析了國內幾條重載道路的交通及軸載組成情況,根據重載交通的特點,分析原有荷載圖式的不足,提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,通過對重載路面軸載換算公式的進一步研究,分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討,系統地提出了重載路面的設計方法,並使之有效地運用到工程實踐中。The changing competition environment urges native life insurers and academia to pay more attention to life insurance industry ’ s efficiency problems. in fact, perhaps because of different development degree of money market, researches on commercial banks ’ efficiency problems have been valued since many years ago but discussions related life industry ’ s efficiency didn ’ t become outstanding in our country. so this paper is trying to seize the information of the native life insurers ’ efficiency and the information may give the insurers some help
鑒於人壽保險行業對我國經濟及社會建設的重要性,以及處于發展初級階段的中國各大人壽保險公司即將在變動的經營環境下,面對外資保險公司的激烈競爭,本文基於公布的2004年數據,應用數據包絡分析法測算中國人壽保險市場上當時最大的13家人壽保險公司的相對效率,並根據測算結果以探討整個行業的效率狀況。The solution proposed here identifies important parameters with which to characterize the point spread function ( psf ) of the blur, given only the blurred image itself
這里提出的方法是僅根據模糊圖像本身,求出確定系統點擴散函數( psf )的重要參數-模糊距離。The next significant question was how to predict the number of positive, negative and complex roots.
下一個重要的問題是怎樣預知正根,負根和復根的個數。In the first chapter, through the discussion of the fifth - order binary forms and the use of qualitative theory and bifurcation methods, we obtain the theorem of infinite critical point and the theorem of finite critical point
第一章通過討論二元五次多項式根的重數,並結合定性理論及分支方法,得到系統無窮遠奇點的結構定理,有限遠奇點的結構定理。分享友人