成双的

In this thesis, we synthesized a series of ferrocene-based triphenyl amine compounds via different approaches. By using electrochemical method and spectral electrochemistry we could observe their properties and then make into devices.

在本论文中，我们藉由不同的策略合成出一系列以二茂铁为核心之双三苯基胺化合物，利用电化学的方法及光谱电化学来观察其特质，并制作成元件。

OA new concept of ice cream was introduced, which is combined two kinds of color lollipop with turbinate ice cream.

介绍了一种由带哨棒的双色棒棒糖与陀螺纸杯冰淇淋结合而成的新概念冰淇淋。

The reaction takes place as soon as 3a is dissolved in solution. With the presence of a tethering terminal vinyl group bound to the vinylidene ligand, the [2+2] cycloaddition of two C=C double bonds readily occurred.

当有一乙烯基键结在丙二烯基上，分子内的两个碳碳双键会马上发生[2+2]的环化加成反应。

Jack, with a body well-proportioned, about the middling, a pair of intense big eyes, has become the target of many pretty girls.

杰克体形匀称，个头儿适中，一双大眼睛炯炯有神，成了许多女孩子的追求的目标。

Abietic acid was isolated from pine rosin in South China and its structure was identified bythe spectra of UV, IR, NMR and MS.

松香酸中共轭双键的选择性氧化或加成反应是一项非常有意义且具有挑战性的研究。

Function : The product uses for natural gum and various kinds of rubber alloy , it is responsivity inextractable antiager SF-98. maleimide system can acceptfreeradical to open double linkage during vulcanization.It forms into horizontal linkage to come into being crosslinking with rubber .it has inextractable antiager effect .and horizontal linkage for thermal oxidation has excellent stability.

功用：该品用于天然胶及各种成合胶，是一种反应性不抽出防老剂，由于马来酰亚胺体系在硫化过程中可接受自由基打开双键，形成横键与橡胶产生交联，起到了防老不抽出的作用，同时这横键对于热氧化作用具有很高的稳定性。

Based on the Flory-Huggins theory, the binodal, spinodal and critical point equations for polymer-solvent-nonsolvent system are derived in detail.

以Flory-Huggins理论为基础，详细推导了聚合物－溶剂－非溶剂三元聚合物成膜体系的双节线、旋节线和临界点求解方程，提供了方程的求解方法。

Softwood cuttings of Codiaeum variegatum var.pictum were treated with diffrent concentrations of solutions 1 (1％Triadimefon +15％Ethylicin WP) and 2 (15％Carbendazim + 15％Thiram WP)for 3 hours.

以琴叶变叶木（Codiaeum variegatum var 。pictum）为材料，用1%三唑酮+15%乙蒜素可湿性粉剂和15%多菌灵+15%福美双可湿性粉剂分别配制成不同浓度的系列溶液，对插穗浸泡处理3 h后扦插试验，研究这两种混合杀菌剂对插穗的影响。

Renal sexual segment, the hypertrophied region of the distal convoluted tubule and/or the forehead of the collecting duct of kidneys in the reptiles of Diapsida Lepidosauria, especially in male individual of Squamata, is a secondary structure of the male.

肾性节是一种雄性副性结构，主要存在于爬行动物双孔亚纲 Diapsida 鳞龙下纲 Lepidosauria ，尤其是有鳞目的雄性，由肾脏的集合管前端或肾单位的远曲小管末端膨大特化而成。

Regular vinyl addition polymers may be obtained from particularly strained endocyclic double bonds.

由带特殊张力的桥环双键可以得到规整的乙烯类加成聚合物。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！