The title compound C_(27)H_(23)FN_(4)O_(2)C_(2H_(5)OH was obtained by the reaction of 1-phenyl-3-methyl-5-pyrazolone with 2-fluorobenzaldehyde in ethanol in the presence of piperidine under microwave irradiation and recrystallization from ethanol.

標(biāo)題化合物C27H23FN4O2(C2H5OH)是由2分子1-苯基-3-甲基-5-吡唑啉酮和1分子2-苯甲醛微波輻射4 m in美女黄应用，用乙醇重結(jié)晶得到嗯啊啊网站。

The planarity and the average degree of the bond of the initiators are discussed by the full-matrix least-squares on F〓.

通過最小二乘法計(jì)算結(jié)果欧美熟妇性生活，討論了分子的平面性及鍵長平均化程度十八禁禁禁禁污污网站，詮釋了分子內(nèi)電荷轉(zhuǎn)移的趨勢及有可能的引發(fā)機(jī)理http//www.色.com日本。

Pakistani officials say security forces plash with militants near the Afghan border Saturday,leaving 16 militants and two soldiers dead.

巴基斯坦官員說安全部隊(duì)星期六在阿富汗邊境附近和武裝分子發(fā)生沖突黄色视频插女，造成16名武裝分子和兩名士兵死亡天堂官方无码wwwwww。

In complex 1,Cucan be described as a four-coordinated square planar geometry.Compound 8 is the sodium salt of plumbagin and exists as ionic compound.Compounds 9-16 are the rare earth complexes of plumbagin with La,Y,Dy,Sm,Gd,Nd,Erand Eu.Compound 17 is binuclear Y complex.18 is mononuclear Ycomplex with plumbagin and another ligand from Plumbago Zeylanica.Compounds 19-21 are the ternary complexes with plumbagin and 2,2\'-bpy and phen as assistant ligand.In 19, the geometry of Cucan be described as five-coordinated distorted square pyramid that exists in a dimer through the weak bonding,and 1-D chain structure is formed by intermolecular hydrogen bonds.

化合物1的單晶結(jié)構(gòu)分析表明1具有四配位平面四邊形結(jié)構(gòu)，化合物8是白花丹素的Na鹽日韩无码专区天美传媒，以離子化合物形式存在狼友色成人网在线播放视频网站免费；化合物9～16為白花丹素的La，Y瑟网站，Dy欧美五区，Sm，Gd欧美大片aaaaa级，Nd在线看中文字幕，Er，Eu的稀土金屬配合物免费看羞羞漫画；化合物17是白花丹素的雙核釔結(jié)構(gòu)婷婷激情偷拍自慰；化合物18為白花丹素的單核釔結(jié)構(gòu)，該配合物除了含白花丹素外男人天堂.com免费，還有來自白花丹植物中的另一個(gè)單體化合物也參與配位免费进的黄色网站；化合物19～21是以2，2\'-聯(lián)吡啶和鄰菲咯啉等含N配體為輔助配體久久激情免费视频，具有白花丹素—含N配體—金屬離子的三元配合物欧美首页，化合物19是白花丹素和2，2\'-聯(lián)吡啶與Cu的配合物黄色视频插，具有五配位的四方錐構(gòu)型欧美精品黄页在线观看2区，通過Cu…O弱的成鍵作用形成二聚體，再通過分子間的氫鍵作用進(jìn)一步形成一維鏈狀結(jié)構(gòu)久久精品官网，化合物20和化合物21是白花丹素分別與2曰本性l交片视频视频，2\'-聯(lián)吡啶和鄰菲咯啉的Zn配合物，都具有六配位八面體構(gòu)型的雙核鋅配合物超碰在线免费网址，呈一維鏈狀結(jié)構(gòu)人人艹人人黄色，化合物20中鏈與鏈之間的大量氫鍵將一維鏈擴(kuò)展成二維層，分子間的π-π堆積作用進(jìn)一步形成三維結(jié)構(gòu)曰本啪啪啪网址。

They form a polar molecule, that is, one with a slightly positive end and a slightly negative end.

它們形成一個(gè)極性分子观看久草视频，也就是說，一個(gè)帶有微弱正電荷和微弱負(fù)電荷的極性分子一级黄色网站A片。

Chemical bonds and structural theory of organic chemistry 6 class hoursKnow the history of organic chemistry; Grasp the basic theory of organicchemistry, such as structural theory, chemical bonds, resonance theory, atomic andmolecular orbital theory, and valence bond theory; understand polar and non-polarcompounds, dipole moment and know how to express the structures of organiccompounds with different molecular formulas.

了解有機(jī)化學(xué)發(fā)展簡史天天操天天日天天操；掌握有機(jī)化學(xué)結(jié)構(gòu)理論、化學(xué)鍵理論免费看黄色三级网站、共振理論一级二级三级黄色网站、原子和分子軌道理論和雜化軌道理論；了解極性和非極性分子并掌握有機(jī)化合物結(jié)構(gòu)的表示法一级毛片视频在线看。

The conventional calculation models of electron displacement polarizability are summarized and their limitations are revealed.

分析了經(jīng)典的電子位移極化率的計(jì)算模型中国一级A一级a爱片免费免免，指出了這些經(jīng)典模型在計(jì)算非對稱雙原子分子模型時(shí)存在局限性ww黄色，提出了一種針對非對稱雙原子分子的電子位移極化率的計(jì)算模型。

However, therehas yet not been a satisfactory explaination to vibrational spectra of molecules,especially polyatomic molecules. In this thesis, we will give some discussionson this problem.

而人們對其中的分子振動光譜免费在线黄色网站视频，尤其是多原子分子的振動譜問題還未能做出一個(gè)圓滿的解釋大BBBB高潮，在本文中我們就將對這一問題做一些討論。

High resolution ro-vibrational spectroscopy is an important tool to understand the the energy-level structures and energy transfer in the studies of polyatomic molecules.

中文摘要在有關(guān)多原子分子的研究中97超碰在线频，高分辨振轉(zhuǎn)躍遷光譜是很好的了解分子能級結(jié)構(gòu)和能量轉(zhuǎn)移的重要手段黄色美女福利视频。

The photodissociation study of the molecule CH3ONO not only provides some useful information for an understanding of the bondbreaking processes in polyatomic molecules, but also probes a wide range of dynamic interaction responsible for the dissociation of polyatomic molecules.

CH_3ONO的光解研究不但可以提供一些有用的信息來理解多原子分子的斷鍵過程，還可以探測多原子分子解離的動力學(xué)相互作用久久夜晚黄色视频。