系綜密度 的英文怎麼說
中文拼音 [xìzōngmìdù]
系綜密度
英文
coefficient of probability-
Thermodynamical fluctuation of number density of particles in grand canonical ensemble of perfect systems
理想體系巨正則系綜中粒子數密度的熱力學漲落At a definite temperature a mesoscopic circuit isnt in a determinate quantum state instead of in the mixed state ( or statistical state ). using the density matrix of the canonical ensemble, we have deduced the formulate of the quantum fluctuations of both charge and current in a non - dissipative mesoscopic coupled circuit. and the dependences of the quantum fluctuation of the circuit on its temperature have obtained
在有限溫度下，介觀電路系統實際上並不處在一個確定的量子狀態，而是處在混合態.根據正則系綜的密度矩陣導出耦合互感電路中電荷和電流的量子漲落，得到了量子漲落與溫度的依賴關系Three - dimensional high - density space / time soundings serve as the main body of data consisting of 3 - hr interval doppler probings, 10 - 30 min rainfall intensity, surface raindrop sizes sampling and gps - guided flight cloud physics detections with output taken at 2 - sec and 200 - m intervals. and specific systems associated therewith are developed for multiple - way communication and data collection and storage, a platform for analysis, retrieval softwares for dominant items and multi - scale cloud models - all constitute a system of techniques for meso to microscale observations and analysis. 2 ) atmospheric water resource and macroscopic rainfall properties in dry periods of spring and autumn of the target region
以加密觀測的多普勒雷達、 3小時探空、 10 30分鐘雨強、地面雨滴譜等間隔取樣及在gps引導下的飛機雲物理探測等獲取的三維高時空密度的綜合探測為主體；配合專項設計開發的多路通訊採集存貯系統、多類信息的分析處理平臺、主要觀測項目的分析反演軟體，結合多尺度雲系模式，綜合構成層狀雲系中微尺度探測和分析處理技術方法。Only in recent years, some section has used plc, but the computer control level drops behind. according to the actual problem of production, this paper intent to build a real - time monitored control system for defibrator in mdf based on the advanced control system, which, finally, becomes a sub - system of the whole production
針對這些情況，本課題旨在利用先進的控制系統的基礎上，建立一個mdf熱磨工段的實時監控系統，使之最終成為中密度纖維板整條生產線全面綜合自動化系統的一個子系統，為構建中密度纖維板管控一體化的目標打下基礎。After studying the relation of distributive function and density matrix, the electron energy is calculated in magnetic field according to the distributive function in the thermodynamic statistical physics and the density matrix average value principle in the quantum mechanics, respectively
摘要研究正則系綜中的配分函數與密度矩陣的關系，分別採用熱力學統計物理中的配分函數和量子力學中的密度矩陣與平均值原理，計算電子在磁場中的能量。Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed
本研究在廣泛總結前人研究成果與研究經驗的基礎上，利用空間數據挖掘和地形地貌學的基本理論，以陜北黃土高原多地貌類型區為實驗樣區，以1 10000比例尺dem為樣本數據，探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構；確定了宏觀和微觀地形因子、地形綜合特徵知識的體系結構；系統總結了dem基本地形因子的提取演算法，並重點對坡長、曲率、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算法作了深入的分析；提出了黃土高原地區區域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法；擴充了arcviewgis軟體平臺中dem空間分析的基本功能；實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發；完成了對黃土高原多地貌類型區（樣區）地形信息空間分異特徵的分析。The systematic and synthetic description and review of lianas, chiefly in tropic, are described and reviewed in this paper, in which some ecological questions of lianas are included distributed as follows : ( 1 ) the conception and significances of lianas ; ( 2 ) liana flora and its distribution in the world ; ( 3 ) its biological characteristics ; ( 4 ) its ecological characteristics ; ( 5 ) its abundance ( density ) and species - richness in tropical forest ; ( 6 ) the ecological significance of lianas - aggregation in gap and the variance of its abundance in the process of forest succession ; ( 7 ) the relationship between lianas and trees ; ( 8 ) the positive and the negative contribution of lianas to tropical forest ; ( 9 ) the types of climbing mechanism of lianas and its competitive predominance ; ( 10 ) global climate - variance ( co2 increase ) promotes abundance of lianas to increase, and some ecological consequence are resulted from which
摘要對藤本植物（以熱帶為主）研究的動態與發展進行了綜述，其中包括： （ 1 ）藤本植物的概念及重要性； （ 2 ）藤本植物區系和分佈； （ 3 ）藤本植物的生物學特性； （ 4 ）藤本植物的生態學特性； （ 5 ）藤本在森林中的多度（密度）及種的豐富度； （ 6 ）藤本在空地上聚生的生態意義以及它們在森林演進過程中的消長； （ 7 ）藤本與樹木的相互關系； （ 8 ）藤本對森林正面和負面的影響； （ 9 ）藤本的攀援方式類別及其競爭優勢； （ 10 ）全球氣候變化（ co2濃度增高）促進藤本優勢度增長並導致不良的生態後果。In this paper the experimental research of hydra ulic oil used on a certain composite gearbox are carried on the experimental fo rm ulas are drawn respectively between viscosity 、 density 、 specific heat and temper ature the function of viscosity to temperature and pressure is deduced the com parative analysis among the new oil 、 used oil and ordinary antifriction oil ind icates the performance of the specitic oil is excellent these conclusions are b eneficial to the advanced analysis of the vehicle transmission system and formul ate the manual of relevant armored caterpillar
該文對某軍用履帶裝甲車輛綜合傳動系統使用的液壓油進行了試驗分析，得出了這種液壓油的粘度、密度、比熱與溫度的經驗關系式，推導出了粘度在溫度、壓力綜合作用下的函數關系，並對新油、舊油、普通抗磨液壓油的粘度進行了對比分析，這對于使用這種液壓油的傳動系的分析計算和制定相關軍用履帶裝甲車輛的使用規范提供了重要的理論依據Abstract : in this paper the experimental research of hydra ulic oil used on a certain composite gearbox are carried on the experimental fo rm ulas are drawn respectively between viscosity 、 density 、 specific heat and temper ature the function of viscosity to temperature and pressure is deduced the com parative analysis among the new oil 、 used oil and ordinary antifriction oil ind icates the performance of the specitic oil is excellent these conclusions are b eneficial to the advanced analysis of the vehicle transmission system and formul ate the manual of relevant armored caterpillar
文摘:該文對某軍用履帶裝甲車輛綜合傳動系統使用的液壓油進行了試驗分析，得出了這種液壓油的粘度、密度、比熱與溫度的經驗關系式，推導出了粘度在溫度、壓力綜合作用下的函數關系，並對新油、舊油、普通抗磨液壓油的粘度進行了對比分析，這對于使用這種液壓油的傳動系的分析計算和制定相關軍用履帶裝甲車輛的使用規范提供了重要的理論依據The results are as follows : grain number per panicle, seed density, secondary branch number, secondary branch grain number, secondary branch grain rate are significantly positively correlated with rice yield, & the yield is affected by all of them
產量與每穗粒數、著粒密度、二次枝梗數、二次枝梗粒數、二次枝梗粒率呈極顯著的正相關關系，這些性狀對產量都有積極意義，產量是其綜合作用的表現。The system considers synthetically the influence of estuarine ecosystem on the whole basin and human life from aspects of influence on pacts of the environment, biology and human of ecosystem respectively, and adopts the indices of catchment area, population density, inflow amount, period of river flow cut - off, water quality, biodiversity index number and biomass to evaluate the state of estuarine ecosystem
指標體系綜合考慮河口生態系統對全流域及入類生活的影響，分別從生態系統的環境部分、生物部分以及對人類的影響等3方面，採用集水面積、人口密度、入海量、河口斷流時間、水質、生物多樣性指數和生物量等7項指標對河口生態系統狀況進行評價。Question 31 : can the present situation of hongqiao comprehensive communication hub such as population roads, construction density, water body / water conservancy, sewage system, rain water system, urban communications system, cultural relic protection, water, electricity and gas supply involved in 《 soliciting documents 》
可否給出《徵集文件》中涉及的虹橋綜合交通樞紐的現狀情況，諸如人口、道路、建築密度、水體/水利，污水系統、雨水系統、城市通信系統、文物保護、水電煤氣等等？The research interests in this team are nonlinear optics at low light intensities, including photorefractive nonlinear optics ( photorefractive materials, effects and their applications ), optical storage materials, nonvolatile optical recording technology and mechanics with high recording rates, high data density and high data transfer rates, nonlinear dispersive system and the dynamic propagation properties of photons in such dispersive system, and nonlinear optical properties of phasonian systems such as electromegnetically induced transperancy
本實驗室目前從事弱光光學非線性方面的研究：主要包括光折變非線性材料、效應以及應用；超快超高密度光存儲材料、非揮發存儲技術及其機理；非線性色散系統以及光子在非線性色散系統中的傳播動力學；量子相干系綜中的非線性光學性質如電磁感應透明等幾個方面的研究。In this thesis, a design scheme is introduced about whole early - warning system ’ s structure according to the optical needs. the focus is placed on the pointing speculum ’ s light - weighting design. through comparison, sic is selected as the speculum ’ s material which has features of high strength, low density, well comprehensive performance and being adaptable for space environment
本文首先根據光學需要對導彈預警系統總體結構進行了設計，重點對其中的關鍵部件指向反射鏡進行了輕量化設計，通過比較選擇了合適空間環境且具有高強度、低密度、綜合性能好的sic作為反射鏡的材料，運用有限元分析軟體ansys對幾種輕量化結構分別進行優化，通過比較最後確定指向反射鏡輕量化結構及尺寸。This work aims at studying multi - scale structures of large - scale stratiform precipitating clouds typical of henan province of central - eastern china in spring and autumn drought periods of china, the potentials and techniques of artificial rain increase. through analysis of historical weather / climate and cloud physical data, developed are a number of multi - scale observational schemes including intensive observational items, and space / time resolutions of data for integrative field observations to obtain real - time measurements of the structures at large -, medium -, small - and micro - scale. from analysis of observed separate items, their integrative treatment and numerical simulation we place focus on case studies and their integration in investigating such structures of stratiform precipitating clouds over the target region, rainfall physical mechanisms and exploitation of artificial rainfall increase potentials, whereupon a conceptual model is constructed and a range of catalysis schemes are proposed to improve smaller - scale forecasting accracy and techniques for the rainfall increase, with the dominant results given below
以地處中原、具有典型代表意義的河南層狀降水雲系為主要研究對象，在對該地歷史天氣氣候和雲物理等資料分析的基礎上，研究設計雲系多尺度觀測方案（包括加密觀測項目、觀測時空解析度） ，實施有設計的外場綜合觀測，獲取雲系結構多尺度（大、中、小、微）配套的實時觀測資料；通過對各種觀測資料的分項和綜合處理分析，以典型個例觀測和數值模擬分析研究為重點，綜合多個例分析，研究河南層狀降水雲系多尺度宏微觀結構特徵、降水物理機制和人工增雨潛力條件，建立典型層狀雲系人工增雨概念模型，研究科學的人工增雨作業技術系統。Utilities spends significant amounts of money on insulator washing and cleaning before the restoration of the service. laboratory studies and industrial experience have shown that both contamination and wetting of insulator surfaces, which initiate the flow of leakage current, are required for insulator flashover. the leakage current leading to flashover has distinctive stages of development
人們在詳盡的理論分析和大量的高壓實驗后，發現絕緣子泄漏電流的變化與其污穢及受潮程度有著密切的關系，綜合反映了污閃的發生過程，因此泄漏電流檢測是診斷線路絕緣子早期故障的一種有效手段。The relation between rheological breaking ratio and plastic work is set up according to the equation relation between outer plastic work and energy of plastic deformation. it is helpful to the understanding of elasto - plastic constitutive relationship of rockfill and braking of particles. based on analysis of test result, in - site observation data, this paper put forward a quantitative relation between rheology and valley shape, rockfill mechanical parameters, such as dry density, compressive modulus, softening factor, pore ratio, etc. the main factors influencing the rheological behavior of rockfill can be classified into inner factors and outer factors
堆石作為面板壩的主體，影響其流變的因素頗多且十分復雜，既有內因也有外因，根據試驗、原型觀測資料對內外因素所做的分析，本文提出了流變與河谷形狀等外因、流變與壩體常規物理力學指標等內因的定量關系和影響堆石流變的多因素綜合表達式，由此建立了堆石流變與堆石常規物理力學指標（如干密度、壓縮模量、軟化系數、孔隙比等等）之間的聯系。Based nit the definition of production decline rate, the multifactor analytical model for composite decline rate is developed, which discusses affecting factors stub as the startup well number, water cut, producing fluid thickness, pressure, relative production index well spacing density, skin factor etc
摘要從產量遞減率定義出發，首先導出了綜合遞減率與開井數、含水、產液厚度、壓力、相對產液指數、井網密度、表皮系數等多因素分析模型。The research and contribution in detail are introduced as follow : ( 1 ) the driver characteristics > motor vehicle characteristics, road characteristics, macroscopic and microscopic flow parameters are analyzed. a new traffic flow continuum hypothesis is proposed. the compression index and elasticity coefficient are defined
具體工作如下： （ 1 ）綜合分析了交通流中駕駛員的交通特性、車輛的交通特性、道路的交通特性、交通流的宏觀參數和微觀參數，提出了新的交通流連續性假設，定義了衡量交通流壓縮性的壓縮系數和彈性系數，分析了各種速度-密度模型所對應的壓縮系數。Based on the processed images, we can do the further computerized quantitative measure of parameters including area, perimeter, integrated optical density, average diameter, shape factor, number of bifurcation and end points, etc. our self - developed and localized system has a reliable property and a high ratio of performance and cost proved by our experiment
對感興趣區域內的目標自動測量參數，如：面積、周長、綜合光密度、平均直徑、形狀因子、三叉點、端點等。與其它類似系統相比，本系統具有性能穩定，開發成本低，技術性能價格比高的優點，成為國內醫務人員易於掌握與使用的醫學應用系統。分享友人