X-ray diffraction is one of the most common and efficient ways to measure a superlattice structure. This dissertation displays the detail results for characterization of Ge〓Si〓/Si superlattices by x-ray diffraction (including x-ray small angle diffraction and double crystal diffraction). It was found, when the growth temperature is lower, the intensities of xray small angle diffraction peaks are modulated by a periodical function, which indicates that both sets of interfaces of the superlattice is highly flat; when the growth temperature is higher, the diffraction peak intensities are simply decay with the increase of diffraction vector, which indicates that one set of interfaces is highly flat but another is not; when the growth temperature is very high, the diffraction peaks are reduced more rapidly, which indicates that both sets of interfaces are not ideal.

本文詳細(xì)介紹了用X-射線衍射（包括X-射線小角衍射和雙晶衍射）方法對Ge〓Si〓/Si超晶格結(jié)構(gòu)特性測試的結(jié)果毛片在，尤其是發(fā)現(xiàn)国产成年无码久久久久电影，當(dāng)Ge〓Si〓/Si超晶格的生長溫度較低時，X-射線小角衍射譜峰的強度隨著衍射波矢的增加而周期性調(diào)制，表明超晶格的兩套界面都十分平整欧美性爱资源网；當(dāng)生長溫度較高時，Ge〓Si〓Si超晶格的X-射線小角衍射譜峰的強度隨著衍射波矢呈簡單的衰減變化成年日本片黄网站大全免费久草，對應(yīng)于超晶格內(nèi)有一套界面不平整的情況欧美最猛性XXXXX69；當(dāng)生長溫度進(jìn)一步提高時，X-射線小角衍射峰明顯減少www.色偷偷.com，表明超晶格內(nèi)兩套界面都不理想亚洲精品中文字幕区。

Let X be a real Banach space with strictly convex dual space X(superscript *) and G a bounded, open subset of X. T: DX→2 is a m-accretive operator, C: D→X is bounded operator.

設(shè)X是一個實Banach空間，X為其對偶空間欧美与黑人视频，G是X的開爆草美女黄色视频、有界子集。T：DX→2是m-增生算子欧美色z，C：D→X是有界算子。

Letbe a compact metric space, f: X→X a continuous map, and K(X,H a compact metric space consisting of all nonempty compact subsets of X.

設(shè)為緊致度量空間视频一区视频二区日韩欧美， f： X→X連續(xù)人人上人人操人人干， K(X，H是 X所有非空緊致子集構(gòu)成的緊致度量空間草草影院日本欧美国产第一页。

Thus, should we own 10% of Corporation X with earnings of $10 million in 1980, we would report in our earnings (ignoring relatively minor taxes on intercorporate dividends) either $1 million if X declared the full $10 million in dividends;$500,000 if X paid out 50%, or $5 million, in dividends; or zero if X reinvested all earnings.

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Results There was a linear trend between logarithmic X and Y, the equation of logarithmic curve was able to be fitted, There was a linear trend between logarithmic Y and X, the equation of exponential curve was able to be fitted, There was a linear trend between logarithmic X and logarithmic Y, the equation of power curve can be fitted. There is a parabola pattern between X and Y, the equation of parabola was able to be fitted.

結(jié)果 X取自然對數(shù)與Y作散點圖有直線趨勢国内最真实嫖妓啪对白视频，擬合對數(shù)曲線方程久久79视频；Y取自然對數(shù)與X作散點圖有直線趨勢，擬合指數(shù)曲線方程国产欧美日韩精品一区二区图片；X取自然對數(shù)與Y取自然對數(shù)作散點圖有直線趨勢免费黄片看裸，擬合冪函數(shù)曲線方程；原始數(shù)據(jù)X和Y成拋物線關(guān)系久久久中国一级片69，擬合拋物線方程在线鲁一鲁。

Results In 7 cases of odontoid process fracture, X-ray demonstrated 4 cases and CT demonstrated 5 cases, whereas the spiral CT reconstruction diagnosed 7 cases, which could display the displacement of fracture clearly. The X-ray and CT showed asymmetric space between left and right gaps of atlantoaxial joint in 6 cases, while spiral CT reconstruction showed normal and excluded the possibility of atlantoaxial dislocation. There was one case of lateral atlantoaxial joint dislocation, which was demonstrated by the spiral CT reconstruction clearly but not by the X-ray and CT scan. There were 3 cases of atlantoaxial congenital deformity (1 case of absence of both posterior arch of atlas and odontoid process and 2 cases of maldevelopment of the odontoid process), which were displayed clearly by spiral CT reconstruction, but misdiagnosed as odontoid process fracture and atlantoaxial subluxation by X-ray and CT scan.

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Thirdly,we define a equivalence relation Rin the topology space X by the fibrewise function f ,and then we get the fibrewise quotient space X / R,we call it the fibrewise decomposition space of X .And last we discuss the relation between f and the natural mapping.

其三是，通過一個纖維映射f ： X→Y人成视频免费视频在线观看播放，在B上的纖維拓?fù)淇臻gX中定義了一個等價關(guān)系R日韩人妻无码精品五五，得到X的纖維商空間X / R，稱其為X的分解空間男人直接插女人下面黄视频在线播放，最后也討論了f與自然投射的關(guān)系日韩人人操操操。

For example, the open interval (0,1) does not have a least element : If ''x'' is in (0,1), then so is ''x''/2, and ''x''/2 is always strictly smaller than ''x''.

例如，開區(qū)間(0国产一级AV网站在线，1)沒有最小元素：如果''x''在(0日韩在线黄色片精品相关视频，1)中，則''x''/2 也在其中www4438，而''x''/2 總是嚴(yán)格的小于''x''入肏屄视频。

Results Compared high kV X-ray chest film with spiral CT,to simplex silicosis,X-ray films coincided with CT scans;to mixed silicosis,the effect of CT scans were better than X-ray's;to large nodule,coalesced progressive massive fibrosis,the detected ratio of CT scans were higher than X-ray chest films;to silicosis complication,for example,emphysema,pleural thickening,phthisic,mediastinal impairment lympy node etc,CT scans were more reliable than X-ray films,especially HRCT can earlier find silicotic nodule and fine structure of focus.Selective application of CT scan,had great diagnostic value in complicated silicosis and silco-tuberculosis and lung cancer complicated with silicosis etc.

結(jié)果 高千伏X線胸片與螺旋CT作對比，結(jié)果對單純矽肺并發(fā)肺癌日韩中文中幕无码AV，CT片與X線胸片基本一致无码国内精品久久人妻系列；對于復(fù)雜矽肺并發(fā)肺癌CT優(yōu)于X線胸片；對于大結(jié)節(jié)91精品免费热播、肺內(nèi)進(jìn)行性大塊纖維化(progressive massive fibrosis免费无码视频一区二区，PMF)融合、空洞及鈣化CT檢出率明顯高出胸片200av.com；對矽肺并發(fā)肺癌的合并其他如肺氣腫美女屁股眼视频一区二区、胸膜肥厚、結(jié)核、縱隔淋巴受累等CT均較胸片可靠aa视频在线网站；特別是HRCT能早期發(fā)現(xiàn)矽肺腫塊樣病灶中細(xì)微結(jié)構(gòu)无码日韩成人永久免费视频，選擇性應(yīng)用CT，對復(fù)雜矽肺并發(fā)肺癌合并結(jié)核等鑒別診斷有很大價值99在线视屏。

A self-converse Mendelsohn packing design of order v, denoted by (v, k,1)-SCMP, is defined to be a triple, where B is a collection of k-circuit of X such that every ordered pair of distinct points of X appears in at most one block of B, and / is a permutation on X such that Here, and whenB=(x0 ,x1,xk-1). The number of blocks in a (v, k, 1 )-SCMP is upperbounded by where 1 if v=l ande =0 , otherwise.

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