grain diameter 中文意思是什麼
grain diameter
解釋
顆粒直徑-
3. at the same holding time, when the holding temperature changed, the number of the long equal - area - circle diameter grain increased, and the average of the equal - area - circle diameter lengthened, the average of the roundness heightened
3 、相同保溫時間條件下，改變等溫溫度，等積圓直徑大的晶粒隨溫度的升高而增加，球狀化程度高的晶粒數增多，平均等積圓直徑和平均球化度同時增大。 -
In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size
本文根據粒度圖像的特點，採用非線性對比度增強處理改善顆粒顯微圖像的對比度；對多種閾值分割方法進行比較，分析了它們的性能和用於粒度圖像的適用性，在此基礎上提出了一種基於梯度圖像的動態閾值分割方法；對獲取的顆粒二值圖像進行形態濾波和空洞填充，設計了識別演算法去除凝聚體；對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法；提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數，對珍珠粉等粉體粒度進行了測量。 -
In the extended experiment we modulate the sand grain diameter and air humidity to contrast with the natural result, discuss the effect of diameter and humidity on sand incipience, propose some ideas and methods to control sand transportation and formulation of wind - blow - sand flow
本文還拓展了實驗條件，通過調整沙粒粒徑配比和空氣濕度，完成了對比性實驗，並進一步探討了粒徑和濕度對沙粒起動的影響，提出了在沙漠工程中控制風沙流形成和沙粒輸運的思路和方法。 -
Monodispersed particles may be synthesized by thermal decomposing iron pentacarbonyl in liquid phase containing lauryl - phosphate mono - ester as the surfactant. with increasing dosage of the surfactant, the grain size of the particles decreases, as a result, the permittivity decreases and the permeability increases. the minimal permittivity and the maximal permeability occur at the diameter of about 39 nm
以十二烷基磷酸酯為表面活性劑在液相中熱分解五羰基鐵制備了單分散的- fe納米粒子，發現隨表面活性劑用量增迦納米粒子粒徑減小，粒子介電常數下降，磁導率上升；粒子介電常數和磁導率在粒徑為39nm左右分別出現最小值和最大值。 -
The phase structure, the lattice constant, crystal grain diameter of the samples was obtained by the x - ray diffractions ( xrd ) spectra. their relations are showed respectively. influence of grain size on the lattice constant of several kind of phase structure was studied theoretically by interaction energy between atoms in nanocrystallites
其次，從結合能的角度出發，研究了nacl結構和cscl結構的離子晶體，面心立方（ fcc ） 、體心立方（ bcc ）金屬晶體以及簡立方（ scc ） 、面心立方（ fcc ） 、體心立方（ bcc ）結構分子晶體的晶粒線度對晶格常數的影響。 -
In order to obtain well effect on the improve the strength and toughness, the interface on the grain and the resin matrix should have a good glue performance ; the diameter of the grain should be small and the shape component of grain patch and fiber should be suitability
要獲得好的增強增韌效果，填料顆粒與樹脂基體界面上應有好的粘結性能；顆粒粒徑應小且填料粉體中粒狀、片狀和纖維狀的組分應適當。 -
Tem was used to consecutively investigate the size and appearance of dibasic lead phosphite in the reaction process. it found that nanocrystal grain of lead oxide phosphite hydrate had favorite direction in the mlps method, many nanocrystal grain in near area would aggregate and assembled as nanowire, the diameter of the nanowire was about a crystal grain size and the length of nanowire could reach hundreds of nanometers, then they would gather to needle or bar like particles
利用tem對二鹽基亞磷酸鉛在反應過程中粒子的大小、形貌進行跟蹤觀察，並記錄下三個時間下的微粒照片，發現用微液相合成法制備的二鹽基亞磷酸鉛晶粒在生長團聚時存在取向規律，同一區域的晶粒會長成一條納米線，直徑有一個晶粒的大小，長度可以達到幾百nm 。 -
The general characteristics of the grain - size distribution of different sedimentary facies, es pecially the variations of the parameters mz ( mean particle diameter ) and o ( standard deviation ) clearly show that the fluvio - lacustrine facies and palaeosols usually become finer in particles and worse in sorting than the aeolian sands
該剖面不同沉積相粒度的一般分佈特徵尤其是粒度參數? mz 、的變化明顯表現出，河湖相或古土壤通常要較風成砂顆粒細化，分選相對較差。 -
Moreover, this article also discussed how the variation of relative density and average grain diameter influenced the shear stress of sand and gravel layer
另外，順便探討了相對密度、平均粒徑對砂礫石層剪應力的敏感度。 -
The specific methods : 1. to ascertain five control indications including suspended solid content, grain diameter median, oil content, iron bacteria and saprophytic bacteria by carrying out the experiment of core flow ; 2. to ascertain indications of sulfate reducing bacteria and average corrosion rate by carrying out the experiment of revolving corroded test pieces ; 3. to ascertain indications of average scaling rate and total mineralization degree by carrying out the experiment of scaling prediction and sensibility
具體的做法是：採用巖心流動試驗確定懸浮固體含量、顆粒直徑中值、含油量、鐵細菌和腐生菌五項控制指標；採用旋轉腐蝕掛片實驗確定硫酸鹽還原菌和平均腐蝕率指標；採用結垢預測和敏感性實驗確定平均結垢率和總礦化度指標。 -
2. the curve of median diameter well showed the grain - size characteristics of the area, which is negatively correspond with the curve of the susceptibility. the median diameter can be regarded as the effectively alternating indication of the environments in the paper
2 、中值粒徑曲線很好地反映了本地區的粒度特徵，並與磁化率曲線有很好的負向對應關系，所以本文把中值粒徑作為環境的有效替代指標。 -
Research on formula for calculating grain diameter in densimeter method of granulometric analysis
顆粒分析中密度計法土粒粒徑計算公式研究 -
Based on these parameters, the performs with the outer diameter 1200mm, the inner diameter 600mm and thickness 100mm were prepared. composition and microstructure homogeneity combined with fine primary silicon grain and uniform distribution of sic reinforced particles of 15 % were achieved
並在此工藝參數下，制備出了不同硅含量的鋁基復合材料環坯，其尺寸為1200 600 100mm ，沉積坯的組織均勻、初晶硅細小，增強相sic顆粒的分佈均勻，體積分數約為15 % 。 -
An ideal mathematical model is set up by mathematical analyses based on experiments. the model deals with the relation of the bubble diameter of foam glass to the grain size of the foaming agent and the foaming temperature. the model is a great help to the design of new type foam glasses
在實驗的基礎上應用數學分析方法，建立了較理想的泡沫玻璃的泡徑和發泡劑粒徑及發泡溫度間的函數關系，對設計泡沫玻璃新品種有一定參考價值。 -
The equal - grain - area - circle diameter and the roundness were defined to scale the form factor and quantified the degree of the grain ' s globalization. metallographic analysis, xrd, tem and edax were expired to observe the evolution of the microstructure, the changing of the phase and the changing of the component
定量測試晶粒的等積圓直徑和球化度等形貌參數，比較形變組織的半固態球化效果，採用金相分析、 xrd 、 tem 、 edax等方法觀測組織演變過程特點，並考察第二相及微區成分的變化。 -
Mean diameter, average grain diameter
平均粒徑 -
Observed through sem, grain edge of clastic feldspar was broken into pieces because of dynamic consolidation. compared with samples of the same layer and location before and after tamping, grain diameter of tamped soil was attenuated
掃描電鏡下觀察土中較大顆粒的碎屑長石，強夯后顆粒邊緣出現破碎；對比強夯前後同一層位、同一位置的土樣，夯後土顆粒粒徑有細化現象。 -
The development and the application of digital putting pictures together technology solve the question that the microcosmic big hole ca n ' t analysis completely and that the microcosmic panorama ca n ' t object exhibition. the development and application of the emulsified smear analytical technology provide the ration guideline for defining emulsion style emulsion grain diameter distribution, emulsion stability
在實施推廣應用過程中，針對原有圖像儀存在的問題，對各單項技術進行了改進和完善，並相繼開發了微觀真彩色普光數字照相技術、熒光數字照相技術、數字拼圖技術、乳化油塗片分析技術，引用了數字圖像處理技術、圖像壓縮技術。
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