单分子的

According to the differences of the structures between monosaccharide and disaccharide, the relations between the characteristic spectra of disaccharides and their collective vibrational modes originated from the inter- and intra-molecules are discussed.

通过分析单糖与二糖之间分子结构的差异，讨论了二糖的THz特征吸收谱和由其分子间氢键和分子内氢键共同作用的集体振动模式之间的关系。

The products consisted of yellow lead chromate phase and red chromate molybadate solid solution phase . The synthesis condition has a great influence on the ratio of the yellow phase and the red solid solution phase. The index for x-ray diffraction pattern of red so...

指标化结果表明：红色相钼铬酸铅固溶体属单斜晶系，空间群C_2/c，a；7.250(8A，b：12.444(7)A，c：5.119(5)人，夕=132.58(6)°，化学式PbCr_(0.88Mo_(0.12)O_4每个单胞由四个分子组成所得粉末衍射的数据可以代替JCPDS19—685号卡片，可以用定量PbCrO_4相含量的方法来表征颜料的质量。

The wood structures of Lauraceae were characterized by most diffuse porous; most pores solitary, less multiple and cluster pores; simple and scalariform perforation with few bars; most solitary pore; alternate intervessel pitting; most of rays multiseriate, less uniseriate; all of rays heterogeneous, mostly heterogeneous Ⅲ and Ⅱ type rays; most of axial parenchyma paratracheal type, less banded or marginal type; oil cell and mucilage cell in axial parenchyma cell or ray cell; mostly fiber tracheid and libriform fiber, less septate fiber.

结果表明：除檫木外，其它木材的管孔分布均为散孔材，具较高的单孔率；导管分子穿孔板兼有单穿孔和梯状穿孔2种或者仅具有单穿孔；导管间纹孔式为互列；导管－射线间纹孔式类型丰富，主要为刻痕状和大圆状。木射线有单列和多列射线2种类型，单列射线稀少、短，多列射线数量多；射线组织主要为异形Ⅲ和异形Ⅱ；轴向薄壁组织以傍管状为主，少数有带状或轮界状。油细胞和粘液细胞普遍存在于射线薄壁细胞或轴向薄壁细胞中。木纤维由韧性纤维和纤维管胞组成，部分树种具分隔纤维。

The experimental results from cyclic voltammetry and constant-potential electrolysis show that the mechanism of the reaction was two molecules and three steps electrochemical process with eight-electrons transferred: anion radical arose in the first step; two-electrons were transferred in the second step and accompanied with coupling reaction of radicals and protonation and dehydrate, the main product was azoxybenzene; two-electrons were transferred in the third step, and azobenzene was achieved.

研究结果表明，硝基苯在铂电极上的电还原反应为双分子八电子三步骤电化学过程：第一步反应为准可逆单电子转移步骤，产生阴离子自由基；第二步为二电子转移步骤，并伴有随后的双分子不可逆自由基偶合反应和快速质子化及脱水反应，主要产物为氧化偶氮苯；第三步是二电子转移产生偶氮苯的过程。

Bipyridyl and 1,10-phenanthroline (L3), Cl3SnCH2CH2COORo L (L= L1, a; L2, b; L3, c), formed by low-heating solid-state reaction. The crystal structures of 1 and 2 show that the tin atom adopts a distorted trigonal bipyramid geometry via intramolecular carbonyl oxygen to tin coordination [the distances of Sn-0 bond are 0.2351(6) ran for 1 and 0.2362(3) nm for 2]. Compound 1 belongs to monoclinic with space group P2/c, a = 0.9842(2) nm, b =1. 0923(8) nm, c = 1.23948(11) nm,/?= 93.894(15)°, V= 1.3294(4) ran3, Mr = 366.23, 7 = 4. Compound2 belongs to monoclinic with space group P2{/c, a = 1.04443(9) nm, b = 1.04823(7) nm, c = 1.28113(9) nm,/= 90. 953(8)°, V= 1.40239(19) nm3, Mr = 380.25, Z = 4

利用元素分析、红外光谱、核磁共振对其结构进行了表征，并通过X射线单晶衍射测定了1和2的晶体结构，二者均为具有分子内羰基氧原子配位的畸变三角双锥结构。1属于单斜品系，空间群P21/c， a=0.9842(2)nm，b=1.0923(8)nm，c=1.23948(11)nm，β=93.894(15)°，V=1.3294(4) nm^3，Mr=366.23，Z=4.2属于单斜晶系，空间群P21/c，a=1.04443(9)nm，b=1.04823 (7)nm，c=1.28113(9)nm，β=90.953(8)°，V=1.40239(19)nm^3，Mr=380.25，Z=4。

Based on Kimura-2-Parameter(K2P) distance,bootstrapped NJ tree(1000 replicates) was generated from these 9 cytb gene sequences of Clupeidae fishes.

结果表明：(1)用Ne ighbour-Join ing法构建的分子系统树显示盖纹沙丁鱼属的3种鱼类形成一个单系类群，鲱属2种鱼类形成一个单系类群，它们的bootstrap支持率均为100%。

Two new kind of energy transfer donor-acceptor dyads consisting of α-naphthoic acid moiety and 9-aminoacridine units linked by tetraethylene glycol or triethylene glycol flexible chain have been synthesized.

本工作分别用聚三乙二醇及聚四乙二醇柔性链将α-萘甲酸酯与9-氨基吖啶连接起来，合成了两种新型二元发色团分子体系，在两个体系中，选择激发α-萘甲酸酯，都可以发生从α-萘甲酸酯到9-氨基吖啶的高效率的单重态-单重态能量传递。

The lumped kinetic model of monoterpene, abietic type resin acid, pimaric acid type resin acid, p-cymene, hydro-monoterpene, dehydro-abietic acid, hydro-abietic type resin acid, and hydro-pimaric acid type resin acid was established based on the structural groups and approximate reaction kinetic theory according to the fundamental principles of the lumped method.

在消除内、外扩散影响的条件下，在线跟踪反应产物并用气相色谱法测定反应体系组成随时间的变化，构造了Pd／C催化剂上松脂分子间氢转移集总反应网络，建立了包含单萜烯、枞酸型树脂酸、海松酸型树脂酸、对伞花烃、氢化单萜烯、脱氢枞酸、氢化枞酸型树脂酸和氢化海松酸型树脂酸等复杂反应体系的集总动力学模型，并估算了模型参数。

The basic principle and algorithm of molecular dynamics simulation are introduced, and the applications of molecular dynamics in the study of cutting mechanism of single point diamond ultra precision turning in oversea are summarized.

介绍了分子动力学模拟的基本原理和算法，综述了国外应用分子动力学研究单点金刚石超精密车削机理的进展情况，并提出了该领域今后的研究方

The effect of the interior-molecular structure,reflected by the iodine value,the total content of mono-glyceride and di-glyceride,at different level on the quality of low-fat ice cream was studied.

研究了分子蒸馏单甘酯的碘值、总单酯含量、总双酯含量等反映的内部分子结构对低脂冰淇淋质构的影响。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。