So, naturally the next problem is to characterize the bicyclic graph with maximal Estrada index.

1、

Fixation with bicyclic steel wires for comminuted fracture of patella Ring Shaped Oscillator

双环形钢丝环绕固定治疗髌骨粉碎性骨折

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2、

On structure of eigenvectors of bicyclic mixed graphs

双圈混合图特征向量的结构

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3、

Stomatal apparatuses were oval, guard cells have polar layer structure. The type of stomatal apparatuses was bicyclic.

气孔器椭圆形，保卫细胞具极层结构，气孔器类型为双环型。

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4、

On the spectral radius of bicyclic graphs of order n

n阶双圈图的邻接谱半径

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5、

Bicyclic Graphs with Extremal Kirchhoff Index; 2-wire, 2-way repeater. One or two line can be specified.

双圈图的Kirchhoff指标极值两线双向中继器。可指定单线或双线。

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6、

Aim To develop a concise method for the synthesis of bicyclic azasugar and thiosugar with novel scaffold.

目的发展一种简洁合成具有新型骨架的双环氮杂糖和硫杂糖的新方法。

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7、

Synthesis of Methyl Ether of Caged Bicyclic Phosphate

笼状双环磷酸酯甲基醚的合成

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8、

Bicyclic amidine-new curing agent for epoxy resin

一种新的环氧树脂固化剂&二环脒

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9、

Synthesis of Bicyclic Heterocycles Containing an N-O Bond and Marine Butenolides

含N-O键的双环杂环化合物和海洋Butenolides的合成

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10、

Synthesis of an Receptor Containing Chiral Bicyclic Guanidine for Amino Acids

含手性双环胍的氨基酸受体的合成

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11、

In this paper, the ideals, bi-ideals and dual-principal bi-ideals of rectangular band, completely simple semigroup, semilattice, Clifford semigroup, matrix unit semigroup, bicyclic semigroup are depicted.

本文给出了矩形带，完全单半群，半格，clifford半群，矩阵单位半群的理想，双理想与双主双理想的刻画。

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12、

Synthesis and Catalytic Activities of Bicyclic Chiral Ammonium Salt Phase-Transfer Catalysts Based on Natural Amino Acids

基于天然氨基酸的双环手性季铵盐相转移催化剂的合成及催化性能研究

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13、

Bicyclic Graphs with Minimum Wiener Index

具有最小Wiener指数的双圈图

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14、

Secondly, starting from phosphorus oxychloride, pentaerythritol, neovaricaine, methacryloyl chloride and hydroxyethyl acrylate, the monomers 3 and 4 which containing the chemical structure of caged bicyclic phosphate were synthesized.

第二部分以三氯氧磷、季戊四醇、乙醇胺、甲基丙烯酰氯以及丙烯酸羟乙酯为原料，合成了含有双环笼状磷酸酯结构的丙烯酸酯单体3和4。

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15、

Synthesis of 2,3,7-three substituted bicyclic pyrazolines

2，3，7－三取代双环吡唑啉的合成

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16、

Synthesis about a kind of expanding monomer with bicyclic ortho ester group

双环原酸酯类膨胀单体的合成

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17、

The calculation of double bond~ ( 13) C NMR chemical shift in bicyclic and polycyclic compounds

双环和多环化合物中双键~（13）c NMR化学位移计算

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18、

She tried to get a grip on the icy rock.

她尽力抓住那冰冷的石头。

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19、

Try to avoid going outdoors in very cold or icy weather.

在寒冷或冰雪覆盖的天气尽量不要外出。

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20、

We stood shivering in the icy wind.

我们站在刺骨的寒风中，浑身直哆嗦。

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