It is shown that although the phonotactics of the onglides and the neighboring elements does not provide crucial evidence for the status of the glides, postconsonantal onglides are structurally closer to the nucleus based on their weight-carrying behavior in stress assignment.

文中指出国产亚洲AⅤ人片在线观看，韻核前滑音在結(jié)構(gòu)上屬聲或?qū)夙嵅⒉荒苡膳c音節(jié)首輔音的組合型態(tài)得知，但是此語言的重音規(guī)則顯示韻核前滑音應帶音拍国产av专区，因此在結(jié)構(gòu)上應與韻核較為接近偷拍偷窥一区二区综合。

The main results are summarized as follows: X-ray powder diffraction investigation of the Pr5Si_4-xGex pseudobinary system reveals that three structurally distinct phase regions exist in the system at ambient temperature.

經(jīng)1273K退后一周后，該體系只存在兩個單相區(qū)：Zr_5Si_4結(jié)構(gòu)的Pr_5Si_4基固溶體(0≤x≤2.8)国产激情图区；正交Sm_5Ge_4結(jié)構(gòu)的Pr_5Ge_4基固溶體(3.0≤x≤4.0)免费人成视频在饯观看网站；室溫存在的單斜Gd_5Si_2Ge_2型金屬間化合物相區(qū)則完全轉(zhuǎn)變?yōu)楦邷氐乃姆较嘞鄥^(qū)。

In the thesis a series ofβ-pyrazolyl-α,β-unsaturated Fischer carbene complexes were synthesized and structurally characterized by NMR, IR and X-ray crystallographic determinations. Based on the dynamic nuclear magnetic resonance and density functional calculation results, a three-step mechanism is proposed for the Michael type addition of pyrazoles to the alkynyl carbene complexes.

本論文合成了一系列β-吡唑基烯基卡賓化合物，并運用核磁共振動力學實驗和密度泛函理論計算方法對Michael加成反應的機理及反應速率的影響因素進行了深入探討国产大全色婷婷五月月天。

For the above purposes, using a tailored cyanometalate precursor,(1) Tp=hydrotris (pyrazolyl borate; Bu〓N〓=tetrabutylammonium cation , two trinulear complexes,〓(2),〓(3; cyclam: 1, 4, 8, 11-tetraazacyclotetradecane), two one-dimensional polymers,〓(4; dien: diethylenetriamine),〓(5), and a cluster 〓(6) have been synthesized and characterized structurally and magnetically.

基于上述研究熱點A片特黄毛片视频大全，我們以修飾的氰基金屬化合物(1)為構(gòu)筑基元（Tp：三吡唑基氫硼烷欧美成了人片A片免费，Bu〓N〓：四丁基銨離子）女人腿张开让男人桶爽动态图片，合成了兩個雜三核化合物，〓(2)国产黄色视频污免费，〓（3免费网站a；cyclam：1，4久久一及黄色视频，8欧美熟女俱乐部，11-四氮環(huán)十四烷），兩個一維聚合物免费女生的视频在线观看网站，〓（4超91自拍偷拍；dien：二乙烯三胺），〓(5)国产精品女人高潮毛片，和一個十四核簇合物〓(6)91精品午夜在线看桃花岛。

The ischemic penumbra is defined as peri-infarct tissue that is functionally impaired but structurally intact and remains potentially salvageable.

中文摘要&缺血性半影&的定義為梗塞周圍的組織，雖然功能已受損久久久影院国内精品，但是結(jié)構(gòu)仍完整欧美精品专区视频免费在线观看，且具有潛在地可以被搶救回來的可能性。

They have been structurally characterized and their spectroscopic behaviors are studied .

對這些配體化合物的波譜行為進行了研究日本va欧美在线看免费，并做了X-射線晶體結(jié)構(gòu)的測定www無码视频。

In the area of selective catalysis, they will soon publish the first examples of stereochemically thoroughly investigated Enantioselective Organo-Autocatalysis, a process that demonstrates conceptually new catalysis design strategy and also provides structurally well-defined small-molecule models that may help explain the origin and maintenance of homochirality fundamental to the functions of biological systems.

在相鄰的選擇性催化領域caoporen超碰欧美，他們即將發(fā)表設計發(fā)現(xiàn)的首例有機小分子催化的高立體選擇性自復制過程（Enantioselective Organo-Autocatalysis），此類反應不僅避免了繁瑣的催化劑和產(chǎn)物分離問題日韩人人操人人摸，更有意義的是充分利用了產(chǎn)物自身的催化功能，并為分子手性單一性這一生命體根本特征的起源和自發(fā)維持提供了第一個簡潔的小分子模型系統(tǒng)人人搞人人操人人叉一。

A new organic dye ,trans,trans-4-｛4-[4-(N,N-diphenylamino)styryl]styryl｝N-methylpyridinium iodide,has been synthesized and structurally investigated.

合成了一種新型有機染料18岁禁污网站，反式，反式-4-{4-[4-苯乙烯基]苯乙烯基}-N-甲基吡啶碘鹽GOGO全球高清私拍摄影。

This could be a fascinating method for the practical syntheses of chiral synthons as valuable building blocks and important medicinal intermediates.3.Series of novel optical pureγ-aryl-1H-1,2,4-triazole derivatives were designed and synthesized by using the chiral auxiliary(Oppolzer\'s sultam),and all these target compounds were structurally characterized by ~1H NMR,~(13)C NMR,MS and elemental analysis,at the same time,some representative compounds have been elucidated by X-ray diffraction analysis.

應用手性輔劑樟腦磺內(nèi)酰胺的手性誘導作用免费看黄网址，設計合成了一系列光學純的γ-芳基-1H-1，2又粗又爽又黄操女人视频，4-三唑類衍生物国产精品专区第1页，所有目標化合物都采用了~1H NMR、~(13)C NMR欧美精品区BB区、MS和元素分析進行了結(jié)構(gòu)表征久久99精品国产超碰超，同時也獲得了部分代表性化合物的晶體結(jié)構(gòu)，進一步確證了化合物的結(jié)構(gòu)。

These complexes are structurally identified by single-crystal X-ray diffraction to show a variety of metal nuclearity from mononuclear to tetranuclear and dimensionality from 1-D to 3-D.

單晶結(jié)構(gòu)分析表明這些化合物具有多種金屬核數(shù)（從1到4）以及多種結(jié)構(gòu)維數(shù)欧洲美女免费看视频在线。