critical thickness 中文意思是什麼
critical thickness
解釋
臨界厚度-
Under action of uniformly or polynomial distributed load, upper and lower critical loads of revolving shells ( including conical shells, spherical shells and quartic polynomial shells ) with uniform thickness, linearly, exponentially or polynomial variable thickness were evaluated
給出了均布或多項式分佈荷載作用下，等厚度、線性、指數型或多項式型變厚度的圓錐殼、球殼或四次多項式型旋轉殼的上、下臨界荷載。 -
When the thickness increases up to a critical value, about 30 nm, the spotty rheed pattern gradually changes to streaky pattern, and the rheed oscillation curve appears. the rheed pattern of the ultra thin lno film deposited in the relatively high oxygen pressure is streaky pattern. with pumping the oxygen pressure to the relatively low value, the streaky rheed pattern gradually changes to spotty one
我們發現在較低的真空度下，即氧分壓處於2 10 - 4pa和3 10 - 3pa之間， lno晶格中的一個o2 -將會轉移兩個電子給兩個ni3 + ，並且移動到薄膜表面形成o2被泵抽走，從而導致鈣鈦礦結構的垮塌，其相應的rheed圖樣呈現出清晰而明亮的點，表明表面為較為粗糙的三維島狀結構。 -
When increasing the oxygen pressure, the rheed pattern changes to streaky one again. this rheed pattern transformation induced by the oxygen pressure is reversible. ex situ xps results indicate that the element ni of lno film deposited in the relatively low oxygen pressure with thickness below the critical value exists in the form as ni2 +, while as ni3 + in the relatively high oxygen pressure
隨著膜厚增加而超過約30nm的臨界厚度時，越來越多的晶格氧會移動到了薄膜表面，此時所提供的氧將使得后續生長的lno膜層重新形成鈣鈦礦結構，並以層狀方式外延生長。 -
Through the analysis of hydrological yeologys features by analyzing the gielding water of mining section, the critical value of waterhead, the critical thickness of water - resisting layer and othr hydrological geology factors concerned, the researches on the feasibility of the extraction of eastern mine area liyi mine at - 660m under ground with the menance of high - level limestone water have been done
主要通過水文地質特徵分析，從采區涌水量、臨界水頭值及臨界隔水層厚度及相關的水文地質因素對李一礦- 660m水平東翼采區在高水位灰巖水威脅下開採的可行性進行了研究。 -
Critical thickness analysis of base plate gushing in cylindrical foundation pit with confined water
承壓水作用下圓形基坑底板突涌的臨界厚度計算公式 -
This model not only can calculate the critical pressure, critical crossflow velocity of critical point and critical layer thickness, but also can predict the relationship between the nature of the critical point and different kinds of operation parameters
用該模型不僅能計算錯流微濾過程中臨界點的臨界壓力、臨界錯流速度和臨界濾餅層厚度，還可以對臨界點的性質與微濾中各項參數的關系進行預測。 -
It was found that an uniform and compact tio2 nanoparticulate film can be deposited on pet substrates in a short time, and it ' s thickness increases with the treating time. when the thickness comes to a critical value, there grows a greater size cluster on the nano - sized film. this is an interesting film growing pattern, which has never been reported
與以往報道的生長模式不同，發現在很短的時間內即可在基底上濺射生成緻密均勻的納米膜層，其膜厚隨著時間的延長而增加，且當達到一定厚度時，又在原有納米膜層上生長出更大尺寸的團蔟結構。 -
By structural analysis and calculation for original highway structure without permeable layer, the critical modulus of base have been obtained which makes asphalt pavement fill different allowable stress criterion. by structural analysis and calculation for different highway structure with permeable layer, critical modulus of permeable base course are obtained to make asphalt pavement fill different allowable stress criterion. the paper also presents the tendency of structure response of different highway structure with drainable layers mainly depends on the thickness of asphalt pavement, the thickness and the critical modulus of permeable base
對于不設排水層的原路面結構，通過結構計算得出對應于不同的瀝青面層容許應力值時所需的基層臨界模量值；對于加設排水層的路面結構，通過結構計算得出對應于不同的瀝青面層容許應力值時所需的排水基層臨界模量值；加設排水層的路面結構的結構反應的變化趨勢主要取決于瀝青面層厚度、排水基層厚度和排水基層臨界模量值。 -
The impact behaviors of pp / eoc and pp / caco3 were compared. the toughening mechanisms of pp / eoc and pp / caco3 systems are firstly proved to agree well with wu ' s percolation theory. the essential condition occurring brittle - tough transition in two binary systems is that the matrix ligament thickness ( l ) is lower than the critical matrix ligament thickness ( lc ) which is approximate to 0. 095 ? m
比較ppffioc和ppcacos二體系的增韌行為，發現加入eoc和cacos都能增韌pp ，首次驗證了新型彈性體eoc和無機剛性粒子cacos增韌pp的機理符合wu氏逾滲理論，二體系發生脆韌轉變的基本條件是基體帶厚度l小於臨界基體帶厚度人（ 。 -
( 2 ) study on the mechanics mechanism of the calamity caused by the cave of the highway : based on the investigation in detail along the line of the highway in shan - gan loess plateau, the distribution law, the classification and characteristic of hazard of highway cave are presented ; the calamity mechanism of highway cave opposite side slope and road bed is discussed, especially the mechanism of collapsing of the hidden cave in road bed. propose " the effect of hidden corrosion ", etc. 10 kinds send to mechanism of collapsing. based on the principle of limit balance, the formula of the critical treating thickness of hidden cave is put forward as follows : according to different stratum, different size and depth, the calculation of the critical thickness of the hidden cave of roadbed has been carried on
（ 2 ）公路洞穴的致災力學機理研究：在對陜甘黃土高原區公路沿線黃土洞穴詳細調查基礎上，研究了公路洞穴分佈規律、危害分類及致災特點；公路洞穴對邊坡及路基的致災機理，重點是路基暗穴致塌機理，並提出了「潛蝕效應」等十種致塌機制；利用極限平衡原理導出路基暗穴臨界處理厚度計算公式如下：針對不同地區不同地層，對不同尺寸和埋深的暗穴，進行了路基暗穴臨界處理厚度的計算。 -
Abstract : the effect of powder feed height on the thickness and density of powder rolled strip was calculated by using " deduction from ends of strip ”. the critical feed height ensuring uniform thickness and density of strip has been obtained. the effect of apparent density on the critical feed height is given as well
文摘:本文通過「帶材尾端反推法」計算出粉末軋制工藝中粉末堆料高度對粉末軋制帶材厚度、密度的影響，並得出保證帶材厚度、密度均勻的臨界堆料高度；同時指出了松裝密度對臨界堆料高度的影響。 -
The theoretical calculation and explanation of strain behavior during heteroepitaxy of oxides thin films : when the lattice mismatch is relative small ( for example, batio _ 3 / srtio _ 3 with a lattice mismatch of 2. 18 % ), the growth mode of thin films is layer - by - layer, and the critical thickness and strain relaxation can be calculated or estimated by matthews - blakeslee expressions ; when the lattice mismatch is large ( for example mgo / srtio _ 3 with lattice mismatch of 8 % ), the strain relaxation process can be explained by theory of coherent strained islands
氧化物薄膜異質外延應變行為的理論預測和解釋。對于晶格失配較小的外延體系（如batio3 / srtio _ 3 2 . 18 % ） ，薄膜以層狀方式進行生長，臨界厚度和應變釋放過程可以用經典的matthews - blakeslee公式進行預測;對于晶格失配較大的體系（如mgo / srtio _ 3 8 % ） ，薄膜以島狀方式進行生長，應變釋放過程可以由彈性應變島的理論體系進行解釋。 -
In this paper, a three dimensional finite element analysis has been used to analyse the loading stress of utw pavement. the critical loading position of utw plate and the rules of the effect of the joint spacing of plate, the thickness of overlay, ec / es and the interface conditions between concrete overlay and existing ac on the stress are provided
本文採用三維有限元法分析了utw路面荷載應力，確定了路面板的臨界荷位，得出了板接縫間距、厚度、板與地基模量比（ ec es ）和層間接觸狀況對應力的影響規律。 -
The film will breack down when the film thickness reaches to a critical value by film thinning
當膜厚度變薄到一臨界值時，膜破裂，導致破乳脫水。 -
Dimensional uniformity of closed - die forgings results in positive control of critical wall thickness, eliminating deficiencies caused by shifted cores in castings
閉模鍛造的尺寸一致性造成關鍵壁厚的完全控制，避免了鑄造工藝中鐵心移位造成的缺陷。 -
As the rise of a spherical shell with uniform thickness is 6052 times of its thickness, upper critical load of the shell subjected to uniformly distributed load was investigated, and the convergent result was still derived
在均布荷載作用下，等厚度球殼的矢高為其厚度的6052倍時，對上臨界荷載的計算仍取得了收斂的數值結果。 -
By reading papers on debris flow ' s triggering and confluence, we know that if we consider debris flow ' s triggering and confluence as a whole system, its whole process have many critical characteristic situation. such as, critical slope grade, critical thickness of earth source, critical precipitation, critical runoff and critical velocity of flow
本文通過對泥石流產匯流研究現狀的分析得知，泥石流的產匯流可作為一個系統來研究，泥石流產匯流過程具有一系列臨界特徵值，如：臨界坡度、土源臨界厚度、臨界雨量、臨界流量和臨界流速。 -
However, above a critical thickness, the sample performance degrades. one 256 x 256 pixel array was stored and retrieved with a snr of 4. 1
在該材料中存儲單幅256 * 256大小圖像，重構圖像信噪比為4 . 1 。 -
High strength and stiffness can be achieved only in polymer films thinner than a critical thickness. the relationship between the microstructure and mechanical behaviors of conducting ppy films was described based on sem techniques at the first time
同時，這些導電高分子薄膜材料的力學性能受薄膜厚度的影響：在某一臨界厚度內其力學性能非常優異，超過這一厚度力學性能有所下降。 -
Prior to the growth, the critical thickness, which plays a vital role in the formation process of qd, is numerically calculated in terms of the strain relaxation, and the growth is carried out under the guidance of the calculated results
在stranski - krastanow （ s - k ）模式下制備了zncdse量子點，在生長量子點之前，先數值計算了系統的臨界厚度，然後在該臨界厚度值的指導下進行了量子點的制備。
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