density effect 中文意思是什麼
density effect
解釋
空氣密度影響-
Effect of precursor powder on microstructure and critical current density of - 2223 tapes
銀超導帶材的顯微結構及臨界電流密度的影響 -
In this paper, the flow pattern defects ( fpds ) were revealed by secco etchant and their shape, distribution on wafer and tip structure were studied in details by optical microscope and atomic force microscope ( afm ). the relationship between etching time and the tip structure of fpds was also discussed. furthermore, by studying the effect of rapid thermal annealing ( rta ) on the density of fpds in ar, the annihilation mechanism of fpds was discussed in this paper
本文將cz硅單晶片在secco腐蝕液中擇優腐蝕后，用光學顯微鏡和原子力顯微鏡對流動圖形缺陷（ flowpatterndefects ， fpds ）在矽片中的形態、分佈及其端部的微觀結構進行了仔細地觀察和研究，並討論了腐蝕時間對fpds缺陷端部結構的影響；本文還通過研究ar氣氛下快速退火（ rapidthermalannealing ， rta ）對fpds缺陷密度的影響，初步探討了fpds的消除機理。 -
When the alumina fiber accounted for 10 %, the density of the composites was chiefly high and the fiber evulsion effect was reinforced ; when the alumina fiber accounted for 30 %, the fiber evulsion effect, fracture and bridge - connection effect were mainly strengthened, when the fiber proportion was 50 %, at the temperature of 1500 c, the bending strength reached 26. 11 mpa while the compressive strength was 79. 30 mpa
氧化鋁纖維含量為10和30的試樣增強機理不同，含量為10時，復合材料以基質密實度高、纖維拔出效應增強為主；氧化鋁纖維含量為30時，復合材料以纖維拔出、斷裂、橋聯效應增強為主。當纖維含量為50時，在1500下燒成，其抗折強度達到26 . 11mpa ，耐壓強度達到79 . 30mpa ，該復合材料可用作輕質保溫材料。 -
Worked out the preliminary probing or studying therewith the expressible mathematical model, used the remote sensing technology to study the relation between the density of population and the intensity of urban hot - island effect
在利用遙感技術研究城市人口分布密度和熱島強度之間密切關系的數學模型的數值表達上，做了初步的研究和探索。 -
Firstly the patterns of the multifingered hands are detailed, eight patterns are defined. the classical bayes method is used in the classification of pre - grasp of multiple fingers based on three patterns which are grasping, holding and pinching. based on the eight pre - grasp patterns, bp neural network is applied in the classification of the pre - grasp of multifingered hands and gets a good effect. the method solves the shortcoming input sample relying on the propobility density and simplified the un - insititution characters extraction. in this paper, support vector machine ( svm ) and binary - tree with clustering is applied in the classification. this method can solve the slow speed and effect with fewness sample in the classification, achieving a good effect. in this papper, we extract the characters of the regulation object with geometry characters and extact the unregulation object with the image analysis
此法解決了輸入樣本依賴物體的概率密度的特點，簡化了分類特徵提取的不直觀性。本文還採用了支持向量機（ svm ）和聚類二叉樹相結合的方法對機器人手預抓取八類模式進行分類，解決了預抓取模式分類訓練速度過慢以及在分類中樣本數量偏少而影響分類效果的問題，得到了較高的正確率。本文對預抓取幾何形狀規則的物體採用直接提取其幾何特徵，對于預抓取幾何形狀不規則的物體採用圖像分析的方法進行特徵提取。 -
Bulk density in 0 ~ 20cm, 20 - 40cm and field capacity in 20 ~ 40cm can be simulated with pure nugget effect model, and they are not spatially correlated in sampling scope. 4
O ~加cm 、 20一40cm土壤容重和2 } 40cm田間持水量符合純塊金效應模型，說明在采樣范圍內它們的空間相關性不存在。 -
In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found
本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響，採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比，同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著，因此，以二者為自變量建立了二元線性回歸方程，通過全相關系數的檢驗發現方程較為理想。此外，還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗，發現磷酸有較好的耐水性效果，同時找到了其合適的摻量范圍。 -
As to the high - density polyethylene, two strategies were performed : ( 1 ) after being modified by grafting polar groups on its backbone, polyethylene and organic montmorillonite were melt mixed directly, which could obtain the polyethylene / montmorillonite nanocomposites. the effect of groups grafted on the backbone on the efficiency of intercalation was investigated in this paper ; ( 2 ) choosing the grafters obtained in this experiment as the compatilizers, polyethylene / montmorillonite nanocomposites had also been prepared by melt mixing the polyethylene, grafter and organic montmorillonite. the difference of grafters and sequence of mixing on the intercalation result had also been analyzed
對于高密度聚乙烯，採用以下兩種思路進行： （ 1 ）對聚乙烯首先進行功能化改性，使聚乙烯分子鏈上接枝上不同的極性基團，將改性后的聚乙烯再同有機蒙脫土直接熔融復合，成功的制備了聚乙烯蒙脫土納米復合材料，並考察了接枝到聚乙烯主鏈上基團的不同對最終插層效果的影響； （ 2 ）選用制得的接枝物作為相容劑，將聚乙烯，接枝物，有機蒙脫土三者熔融復合，也可以得到聚乙烯蒙脫土納米復合材料，並對選用不同的接枝物作為相容劑以及復合順序對最終插層效果的影響加以分析。 -
Effect of density gradients on haptic discrimination
質地密度逐漸變化對觸覺識別的作用 -
Effect of co2 concentration and photosynthetic photo flux density on photoautotrophic capability and peroxidase activity of ipomoea batatas lam in vitro
2濃度和光合光量子通量密度對葉用甘薯組培苗光合自養和過氧化物酶活力的影響 -
Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest
文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。 -
Piezoelectric sensors, commonly known as quartz crystal microbalance, are sensitive to multiple signals such as the surface mass and the viscosity, density, dielectric effect, conductivity of the liquid
壓電傳感技術則是一種比較成熟的傳感技術，可響應石英晶體表面的質量變化及溶液粘度、密度、介電常數、電導率等參數。 -
The results showed that the effect of c. megacephala pollination was not significantly different from that of hand pollination and bee pollination, but significantly different from that pollinated by musca domestica l. and flies mixed by both c. megacephala and houseflies under the same density
結果表明：油菜在不同授粉方式下，大頭金蠅授粉與人工授粉、蜜蜂授粉效果之間差異不顯著，與家蠅授粉差異比較明顯，與相同密度條件下兩種蠅類混合釋放有明顯的差異，且有交互作用。 -
The analysis indicates that micropacking silica fume works to the density and relative density of rpc, and its pozzolanic effect helps the strength of rpc
硅灰的微填充效應有利於提高活性粉末混凝土的密度和相對密度，而火山灰效應有利於提高其強度。 -
Conclusion is made that some of the domestic enterprises are basically close to the stork products in mesh, aperture making, aperture section, printing effect ; however, most of the domestic manufacturers have long way to go in tech - density
指出國內的鎳網廠家有少數部分的製造水平無論是目數、開孔率、孔形截面、印花效果等基本上接近斯托克（ stork ）公司產品要求，但仍有大部分廠家產品技術含量有待進一步提高。 -
It measures the density of oxygen by detecting the life - span of the fluorescence quenching. the so - called fluorescence quenching is a kind of physics or chemistry process that the fluorescence material has chemical or physical reactions with certain substance is selected here. it has the advantage of good stability of fluorescence, long life span and the strong quenching effect
本課題光纖氧氣傳感器檢測系統是基於熒光猝滅效應的檢測機制，通過測定熒光壽命從而檢測氧氣濃度的，熒光猝滅效應所引起的熒光壽命具有很好的穩定性、猝滅效果以及系統使用壽命長。 -
Effect of species and ecosystem on the density of rhizome alismatis
種質與生態環境對澤瀉塊莖密度的影響 -
A study on the density effect model of rare and endangered tsuga longibracteata population
珍稀瀕危植物長苞鐵杉種群密度效應模型 -
The competition - density effect in populus euramericana cv. ' san martion ' plantations
72楊林的競爭密度效應 -
Impacts of plastic mulching on water saving and yield increasing of dry land spring soybean and its density effect
土壤不同微生物量對木黴菌定殖的影響和木黴菌生態學習性研究
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