density by volume 中文意思是什麼
density by volume
解釋
體密度-
The material was sintered at 1050 for three hours to get the porous artificial bone, that its apparent porosity was54 %, its volume density was 1. 28 g / cm3, and its bending strength was 13. 25mpa. the results showed that the sintering temperature was reduced by adding bioglass
本研究採用含生物玻璃前驅體粉末原料，添加檸檬酸造孔劑，模壓成型，在1050燒結保溫3小時，獲得了顯氣孔率為54 、體積密度為1 . 28s cm ~ 3 、抗彎強度為13 . 25mpa的多孔hap人工骨材料。 -
Metalsmiths knew how to detect forgeries of precious metals by measuring their density, using archimedes ' method of submersion in water to measure volume
當時的金屬匠利用阿基米德把物體浸在水中測量體積的方法，知道如何檢測假的貴金屬物品。 -
Influences of initial damage on development of spalling damage have been indicated by analyzing the distribution of void number density, the cumulative percentage of void volume and the volume fraction of the different - seize voids
通過分析孔洞數密度分佈、孔洞體積累積百分比、不同大小孔洞所佔體積份額的計算結果，指出初始損傷對損傷演化有直接影響。 -
The microgels of close monodispersity with different volume and cross - linking density can be prepared by using an inverse emulsion polymerization method. both artificial and natural materials, including zeolites, membranes, vesicles, liquid crystal, microemulsion, micelles, biopolymers, etc., have been used as template. the three - dimentional network structure and spherical morphology of polymeric microgels may guarantee the homogeneous of the structure of the composite, the size and the morphology of the various organic - inorganic composites with unusual structures
在反相乳液聚合條件下，通過控制反應條件可以得到體積不同、交聯度不同的近乎單分散的微凝膠，如同分子篩、單（多）分子膜、囊泡、液晶、微乳液、膠束、生物大分子等可作為微納米無機材料合成模板一樣，高分子微凝膠所特有的三維網路結構和球形形貌有可能對在其中進行的無機結晶或沉積反應施加限域和導向作用，從而控制所生成無機材料的形貌和大小，得到各種具有特異結構的無機-有機復合材料。 -
With the numerical solution, an internal condensation critical curve can be calculated out by condensation theory and depositing theory, on the curve, the enter water ability equal to the out water ability, which can be used as the basis to determine the occurrence of internal condensation. but the result doesn ’ t coincide with the real completely. in this dissertation, we plan to get the critical curve by practical experiment results, because that the enter water ability only relates to the condensation density and the out water ability only relate to the volume ratio of the pneumatics system
然而由凝結理論和沉積理論得到的計算結果往往與實際有一定偏差，本課題希望通過實驗的方法獲得內部結露臨界線，即系統進水能力和排水能力相等的曲線，由於系統的進水能力和充放氣過程中凝結水滴密度有關，排水能力和系統容積比有關，可以通過大量實驗總結出以凝結水滴密度和容積比表示的內部結露臨界曲線，作為判別內部結露是否發生的依據。 -
Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer
本文首先運用tffa模型描述直接甲醇燃料電池（ dmfc ）陰極氧氣的傳遞和電化學反應過程，研究了過電位-電流密度曲線受陰極結構參數變化的影響程度，其中著重考慮了以下幾個參數：催化層的孔隙率，浸漬聚集體薄膜的厚度，浸漬聚集體的半徑，浸漬聚集體在催化層中的體積分數。 -
Refractory fiber and product is manufactured by means of dry method and wet method. as an excellent insulation material, it has comparatively low volume density, good softness and very low thermal conductivity coefficient. sticking method, ancjoring method and folding method can be selected respectively. this product can be used in various industrial kilns & furmaces for lowering heat consumption
耐火纖維及製品是採用干法、濕法生產的具有較低體積密度、較好柔軟性、極低的導熱系數的優質絕熱保溫材料，施工時可分別採用粘貼法、錨固法、折疊塊形式施工，適用於各種工業窯爐降低熱耗之用。 -
The content of the sap is negatively stained by uranyl acetate and observed by tem. results show consistency with the published observation that particles in gcv of open stomata are increased enormously in distribution density with obviously diminished small volume
研究內容分以下三個部分： a ）用玻璃毛細管從開放態及aba誘導的關閉態保衛細胞液泡中直接取樣，並將樣品滴放在formvar包裹的銅網上，經醋酸鈾負染后在透射電鏡下觀察。 -
Deviation in the immobilized antibody density is relatively high even with a minute change in experimental conditions, and the amount of detection antibody can be accurately controlled by transferring a metered volume ( 8 )
盡管在實驗條件下只有很小改變，固定抗體的濃度偏差也會相對較高，而檢測抗體的量就能通過移取量好的體積來精確控制。 -
By the charge density we mean the per unit volume.
所謂的電荷密度是指單位體積的電荷。 -
By using the improved gravity model and gray theory model, the essay makes forecast analysis on future passenger traffic volume of shjiazhuang - taiyuan passenger - dedicated line from three aspects, including passenger flow of local line, passenger flow originating from other railways and induced passenger flow, and using gdp and population density of surround cities along the passenger corridor, the passenger traffic volume on existing line of shijiazhuang - taiyuan passenger corridor and the weighted operation time between cities as impact factors respectively
摘要利用改進的重力模型和灰色理論模型，從石太客運專線的本線客流、跨線客流和誘增客流3個方面，分別以客運通道周邊城市的gdp和人口分布密度、石太客運通道既有線的旅客運輸量、城市間的加權運行時間為影響因子，對石太客運專線的旅客運輸量進行預測分析。 -
3d - c / sic fabricated with t300 carbon fibers weaved into 3 - dimensional and 4 - directional structure, was deposited pyrocarbon and sic matrix at 950 - 1000 with cvi method. fiber volume fraction of 3d - c / sic was 40 - 45 %, composite density was 2. 01g / cm3 and porosity was 17 %. in addition, the thickness of pyrocarbon interface was 200 nm for interaction fatigue - creep ; the interface layer of pyrocarbon for thermal shock had three thickness obtained by controlling deposition time which were 10h, 20h, 30h, respectively
3d - c sic是用t300碳纖維編織成三維四向編織體， cvi法在950 - 1000緻密，纖維體積分數為40 - 45 ，密度為2 . 01g cm ~ 3和孔隙率為17 ，用於疲勞蠕變交互作用試驗熱解碳界面層厚度約0 . 2 m ；用於熱震試驗的有三種界面層厚度分別是熱解碳沉積時間10小時、 20小時、 30小時獲得。 -
The algorithm builds voxel between neighboring slices of volume data, then gets density of a certain substance by experience. after setting threshold for surface of the substance which we want to get, and computing triangle mould of every voxel cube by use of linearity interpolation, the algorithm represents the surface of the substance as the form of triangle mesh
該演算法通過在相鄰的體數據切片之間構建體素，根據經驗獲得某一種物質的密度值，設定待求物質表面的閾值，利用線性插值求出每一個立方體體素的三角剖分的構型，進而將整個物體表面以三角型網格的形式表示出來。 -
Surface active agents - determination of apparent density - method by measuring the mass of a given volume
表面活性劑表觀密度測定給定體積稱量法 -
Industrial sodium tripolyphosphate - determination of apparent density - method by measuring the mass of a given volume
工業三聚磷酸鈉表觀密度的測定給定體積稱量法 -
Our research group proposed a model for osmotic - regulation in guard cell vacuoles ( gcv ), which is depended on reversible disaggregation of particles and modulated by ph in gcv. published evidences for this model show a great increase of the distribution density going with obvious decrease in volume of the particles in gcv of open stomata in comparison with that of the stomata before open ( closed ). during stomatal opening there is an acidification in gcv of about - 0. 5 ph unit
作者所在試驗室提出了保衛細胞液泡內顆粒狀物質在ph介導下可逆解聚的滲透調節模型，並已發表了支持該模型的氣孔開放過程中的實驗證據（氣孔開放前後顆粒狀物的分佈密度極大增加；氣孔開放過程伴隨液泡ph的下降[約0 . 5單位] ） 。 -
During loading the rice, the input rice weight keeps a good linear relationship with the grain depth detected by the ultrasonin sensor with the detected grain depth to estimate the stored rice volume, the weight of stored rice can be predicted by multiplying rice bulk density
結果顯示對于進料量的估算，如果準確度的要求是在7 % ，不論是選擇上述任一種測量方式或是估算的方法都會合乎其要求；而出料量之估算因稻穀流動的方式差異較大，有待進一步研究改良。 -
Standard test method for bulk density and volume of solid refractories by wax immersion
用浸蠟法測定固體耐火材料的松密度和體積的標準試驗方法 -
We are used to gain the detection efficiency by making the standard samples, because of the different source of the environment samples, the component and density and volume of the samples ca n ' t entirely match those of the standard samples, so it is very difficult to make the standard samples, thereby, in order to conquered experiment difficulty, this article has calculated the detection efficiency of hpge - spectrometer by existing monte carlo code
但由於待測環境樣品的來源不同，其介質成份、密度和體積量可能相差很大，實驗上又難以製作各種各樣的標準樣品，採用蒙特卡羅方法可以比較容易地解決這些問題，對此，我們採用蒙特卡羅方法，研究了高純鍺譜儀對不同環境樣品的探測效率，解決了實驗上製作各種標準樣品的難題。 -
Method of flow measurement by coriolis meters mass flow, density and volume flow measurement
用科里奧利儀測量流量的方法
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