Piccopate resin

an unsaturated hydrocarbon obtained from plants.

一种不饱和碳氢化合物，从植物中获

Theoretical Investigations on the Reaction Mechanisms of Oxygenous Radicals with Unsaturated Hydrocarbons;

含氧自由基和不饱和碳氢化合物反应机理的理论研究

an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver.

一种不饱和碳氢化合物的橙色异构体，见于许多植物中，在肝脏中转化为维生素A。

any unsaturated aliphatic hydrocarbon.

任何不饱和的脂肪族碳氢化合物。

Study on Selective Reduction of Carbon-Carbon Double Bond of α, β-Unsaturated Carbonyl Compounds;

α，β-不饱和羰基化合物的碳碳双键选择性还原研究

"carborane:any of a class of stable compounds containing carbon, hydrogen, and boron."

碳硼烷:一种含碳、氢和硼的稳定化合物.

Any of a class of stable compounds containing carbon, hydrogen, and boron.

碳硼烷一种含碳、氢和硼的稳定化合物

Hydrocarbons are molecules containing only hydrogen and carbon atoms.

碳氢化合物是只含碳原子和氢原子的分子。

Any of numerous organic compounds, such as benzene and methane, that contain only carbon and hydrogen.

碳氢化合物只含有碳和氢的多种有机化合物的一种，如苯和甲烷

the chemistry of compounds that do not contain hydrocarbon radicals.

不含碳氢的化合物的化学。

pyrolytic conversion of hydrocarbons

碳氢化合物的高温转化

chemistry of petroleum hydrocarbons

石油碳氢化合物化学

partially halogenated CFC

部分卤化碳氢化合物

chlorinated hydrocarbon refrigerant

氯化碳氢化合物制冷剂

photochemically reactive hydrocarbons

光化学活性碳氢化合物

Hydrocarbon:Any of a class of organic compounds composed only of carbon and hydrogen.

烃:只含碳和氢两种元素的有机化合物。

Compounds such as methane can be cleaved to carbon and hydrogen.

象甲烷这样的化合物能分解为碳和氢。

an organic compound containing only carbon and hydrogen.

仅含碳和氢的有机化合物。