季碳螺环,azaspirocycles英语短句,例句大全

季碳螺环,azaspirocycles
1)azaspirocycles季碳螺环
2)spiro-quaternary centers螺环季碳
3)quaternary carbon center季碳
1.The methods of asymmetric construction of quaternary carbon centers and its applications to the synthesis of natural products have been reviewed.综述了季碳的不对称构筑法及其在天然产物全合成中的应用。

英文短句/例句

1.centralized hydrocarbon富于季碳原子的烃类
2.Variation of Net Ecosystem Carbon Flux Exchange Over Stipa krylovii steppe in the Growing Season克氏针茅草原生态系统生长季碳通量变化特征
3.A Study on Carbon Storage of Tropical Seasonal Rain Forest in Xishuangbanna, Yunnan;西双版纳热带季节雨林碳储量的研究
4.Seasonal variation of C/N ratio in‘Yu Her Pu' litchi trees(Litchi Chinensis Sonn.)‘玉荷包'荔枝树体碳氮比之季节性变化
5.Pollution characteristics of OC and EC in PM_(2.5) and PM_(10) in Tianjin winter天津冬季PM_(2.5)与PM_(10)中有机碳、元素碳的污染特征
6.The Seasonal Change and the Environmental Effects of Dissolved Organic Carbon in Soil of Mao Village;毛村土壤溶解有机碳的季节变化及环境效应
7.Seasonal Dynamics of Soil Labile Organic Carbon under Secondary Vegetation;次生植被下土壤活性有机碳组分季节动态研究
8.Carbon Storage and Allocation of Monsoon Rain Forest over Limestone in Xishuangbanna, Yunnan;西双版纳石灰山季雨林碳储量及其分配特征
9.Multilayer Distribution of Carbon Dioxide System in the Surface Water of the Yellow Sea in Spring;春季黄海表面海水二氧化碳体系的分层研究
10.Design, Synthesis and Properties of Carbonate Modified Quaternary Ammonium Ionic Liquids;碳酸酯型季铵离子液体的设计、合成与性能研究
11.Summertime Carbon Dioxide System in the Bering Sea and Western Arctic Ocean夏季白令海和西北冰洋二氧化碳体系研究
12.Seasonal Variation and Output of C、N、P in Jialing River嘉陵江水体中碳、氮、磷季节变化及其输出
13.Study of Chemical Weathering in the Huanghe Drainage Basin and Transportation Character of the Dissolved Carbon in Summer夏季黄河流域化学风化及无机碳输运研究
14.Characteristic Analysis of Atmospheric Black Carbon Aerosols in Changchun in Autumn and Winter长春秋冬季大气黑碳气溶胶的特征分析
15.Day-Night Variation of Carbonaceous Aerosols in PM_(10) During Winter and Spring over Xi'an西安冬春季PM_(10)中碳气溶胶的昼夜变化特征
16.Comparison of soil C and N in rubber plantation and seasonal rain forest热带季节雨林与人工橡胶林土壤碳氮比较
17.Effects of Black Carbon Aerosol in South Asia on Asian Summer Monsoon南亚地区黑碳气溶胶对亚洲夏季风的影响
18.Characteristics of Carbon Monoxide Transport over East Asia in the Springtime东亚地区春季一氧化碳的输送特征研究

相关短句/例句

spiro-quaternary centers螺环季碳
3)quaternary carbon center季碳
1.The methods of asymmetric construction of quaternary carbon centers and its applications to the synthesis of natural products have been reviewed.综述了季碳的不对称构筑法及其在天然产物全合成中的应用。
4)spiro orthocarbonate螺环原碳酸酯
1.Synthesis of a spiro orthocarbonate expanding monomer and its thermocuring with epoxy resin;一种螺环原碳酸酯膨胀单体的合成及其与环氧树脂热固化
2.Curing behaviors and exothermic peaks of spiro orthocarbonate/epoxy resin system were discussed by DSC(differential scanning calorimetry).采用示差扫描量热法(DSC)对螺环原碳酸酯膨胀单体(SOC)/双酚A型环氧树脂(EP)体系的固化行为、放热峰进行了分析;并用Kissinger方程和Crane方程求得体系表观活化能、表观反应频率因子、反应级数等固化反应过程动力学参数,结果表明:螺环原碳酸酯膨胀单体的加入,体系的表观活化能和表观反应频率因子增加,反应级数保持不变,而反应速率急剧下降。
3.Synthesis of a new spiro orthocarbonate and its modification on F-44 phenolic epoxy;由羟基香茅醛合成了多元醇3,7-二甲基-2,2-二羟甲基-1,6辛二醇并由它合成了螺环原碳酸酯单体3、9—二羟甲基—二(6—甲基—5—羟基)—2—庚基—1,5,7,11四氧杂螺环[5、5]十一烷单体以及它的预聚体,并用其来改性酚醛环氧树脂F-44。
5)Spiro ortho carbonate螺环原碳酸酯
1.A new spiro ortho carbonate 3,9 di( p methoxybenzyl) 1,5,7,11 tetroxaspiroundecane(1) was prepared.合成了新螺环原碳酸酯单体：３，９－二（对甲氧基苄基）－１，５，７，１１－四氧杂螺环［５，５］十一烷。
6)spiro-orthocarbonate prepolymer螺环原碳酸酯预聚物