density of mass 中文意思是什麼
density of mass
解釋
質量密度-
ρ is the mass density of the material.
為材料的質量密度。 -
According to gaseous " molecular kinetic, the mass diffusion rate is within finite value. so theoretical conclusion of mass flux ' s producing and the essential relation of flux vs. force could be drawn. with the assumption that local density states in near equilibrium and the distribution is gradual changed, the classical first pick ' s law was modified considering mass relaxation time
根據氣體分子運動論對質量傳播速度為有限值情況下的質量流的產生及流與力之間的本構關系作了理論推導，在假定局域濃度處于近平衡態，其分佈為漸進的情況下得到了考慮質量鬆弛作用的經典fick第一定律的修正式。 -
Cereals. determination of bulk density, called " mass per hectolitre "
谷類. "百升質量"體密度的測量 -
Cereals - determination of bulk density, called " mass per hectolitre " - reference method
穀物.容積密度"百升質量"的測定.參照法 -
Methods of test for cereals and pulses - determination of bulk density of cereals, called ' mass per hectolitre ' routine method
穀物作用和豆類作物的試驗方法.第32部分:每百公升谷類密度試驗方法 -
Near the horizon the sun was smouldering dimly ， almost obscured by formless mists and vapors ， which gave an impression of mass and density without outline or tangibility
天邊，太陽從似乎漫無邊際的濃霧和水汽中擠出一絲光暈，給人造成一種朦朦朧朧、無從捉摸的印象。 -
Based upon the analysis of the data obtained during the survey, it can be concluded that : 1 ) the number of biomass of macrobenthos in the yellow sea and the east china sea in autuma is higher than that in spring, while the number of density of macrobenthos in autumn is lower than that in spring ; 2 ) the number of biomass of macrobenthos in the yellow sea is higher than that in the east china sea ; 3 ) the number of species in the yellow sea is lower than that in the east china sea ; 4 ) one of the characteristics of distribution of macrobenthos in the east china sea is that the species richness increased from the coastal waters to the offshore deep waters, from the north to the south. 5 ) the species composition in the deeper part occupied by the cold water mass of the yellow sea is more stable than that in the coastal part of the yellow sea in the late 40 ~ 50 years
通過以上幾方面的分析，結果表明： 1 ）黃東海調查海域的秋季總生物量均高於春季，總棲息密度則低於早春季； 2 ）黃東海春季生物多樣性指數高於秋季； 3 ）南黃海、東海的水文特點顯著不同：東海底溫顯著高於南黃海底溫，東海底鹽亦高於南黃海底鹽； 4 ）南黃海春秋季生物量分佈無一致規律，東海春秋季生物量除長江口外基本上自近岸向外海逐步降低； 5 ）東海大陸架大型底棲動物的種類組成較南黃海更豐富； 6 ）東海大型底棲動物的分佈特點之一為：種類數由北向南、由近岸（西部）向外海（東部）逐漸增多； 7 ）在黃海冷水團控制的海域，其底棲動物種類組成較近岸海域穩定； 8 ）幾個生物多樣性指數各有側重，都能較好地反映底棲動物的分佈特點 -
The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower
摘要介紹了氣液液三相精餾塔板傳質性能研究的進展情況，討論了氣速、液氣比等操作條件，表面張力、界面張力、液體的粘度或分散粘度、密度和相對揮發度等物系性質以及油水體積比等多種參數對傳質效率的影響，探討了第二液相的存在對傳質的影響，文中的許多觀點獲和建議對于優化精餾塔的設計具有重要的指導意義。 -
Considering the randomness of physical parameters ( elastic module and mass density ) of structural materials, the structure dynamic characteristics is analyzed based on probability, and the distribution parameters of dynamic characteristics random variable is derived from the rayleigh s quotient
在此基礎上，構造了具有頻率或頻率禁區可靠性約束的工程結構動力優化數學模型，並對其中關切頻率的估定，兩種頻率約束的統一表示等進行了討論。 -
Through the statistic and analysis of rock core crack, sonic wave velocity test, microcosmic structure of core slice observation by electron microscope, core strength test to the sampled damaged slope rock mass, it indicates that the damage degree of smooth blasting to slope rock mass has no obvious relation with blasting scale but with the line density of explosive filling and the strength of the rock in damaged area decreases evidently
通過受損邊坡巖體取樣巖芯裂隙的統計分析、聲波速度測試、巖芯切片微觀結構的電鏡觀察及巖芯的強度試驗，發現光面爆破對邊坡巖體的損傷程度與爆破規模無明顯關系，而與光爆孔的線裝藥密度有關，損傷區巖石的強度明顯降低。 -
How the universe evolves is affected by three factors, namely the mean density of mass - energy, the space - time curvature and a mysterious factor, the cosmological constant
宇宙尺度的變化受三個因素影響：宇宙中質量-能量的平均密度宇宙的時空曲率與及一個神秘因素宇宙常數。 -
The future of the universe is mainly determined by the mean density of mass - energy and the space - time curvature, while cosmological constant does not carry any weight among popular cosmological theories
現在流行的宇宙論都不考慮宇宙常數，宇宙的未來完全由質量能量的平均密度及宇宙的時空曲率來決定。 -
The effect of the rise of ground water level was simulated by increasing the mass density of pore water in the soil elements between the initial and targeted ground water levels
通過逐步改變初始和終止地下水位間土單元中孔隙水的密度模擬地下水位上升的效應。 -
Petroleum and liquid petroleum products - determination of volume, density and mass of the hydrocarbon content of vertical cylindrical tanks by hybrid tank measurement systems
石油和液態石油產品.使用混合罐測量系統測定立式圓筒狀油罐中烴類的體積密度和質量 -
The average range of nonthermal radiation particles is direct proportion to the energy extent of nonthermal radiation particle, but also inverse proportion to the density of stellar gas, however, to the stationary black hole with mass multipole moment and nonstationary black hole, the average range of their nonthermal radiation particle still has something to do with direction, which are the new results reported firstly
非熱輻射粒子的平均射程與非熱輻射粒子的能量范圍成正比、與星際氣體的密度成反比；對動態黑洞和一類具有質量多極矩的穩態黑洞而言，非熱輻射粒子的平均射程還與方向有關。這些都是首次報道的新結果。 -
Maximising the density of bone mass in early adulthood, and then slowing the demineralisation process in later life is key to the prevention of osteoporosis in later life
盡可能使成年後的骨骼密度達到更大值並設法減緩其後的骨降解過程，是人在後半生中防止骨質疏鬆發生的關鍵。 -
It ' s especially applicable for to increase the mass density of product
尤其適合於增加產品堆積比重的場合。 -
On the other hand, if the mean density of mass - energy is too low, the universe will keep on expanding forever, resulting in an open universe
相反，若質量能量的平均密度太低的話，宇宙會無休止地膨脹下去，成為一個開放的宇宙。 -
The holographic disc storage technology, which has the properties of simplicity in optical read - write head and the compatibility with existing disc system, is more suitable for the application of high - density and mass - capacity data storage
三維盤式全息存儲方案以其相對簡單的光路讀寫機構以及與現有光盤系統的兼容性，更適合大容量數據存儲的應用，因而也更具實用意義。 -
. aluminium and aluminium alloys - anodizing - determination of mass per unit area surface density of anodic oxidation coatings - gravimetric method
鋁和鋁合金.陽極氧化.陽極氧化塗層單位面積
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