chemically active

The main factors leading to the development of paleokarst in the region were found to be multi-phase tectonic cycle, complicated fault-block tilting and long-term dissolution by chemically active fluids.

根据区域构造演化史提出岩溶演化模式，指出多期的构造旋回，复杂的断块掀斜作用和长期的化学活动性流体的溶蚀是研究区古岩溶发育的主要因素。

Electrolysis fixed product resolved in solution of CO_2 were identified using HPLC method and chemical tests, which revealed that reduced products are polar matter and chemically active.

化学检验方法及高效液相色谱法（HPLC）对溶解在溶液中的CO2还原产物进行初步分析表明产物为极性物质，化学性质活泼。

As a radiative and chemically active gas, methane can increase the temperature in troposphere with a larger effect of 20-60 times over that of carbon dioxide.

甲烷是一种辐射和化学活性气体，会使对流层大气产生增温效应，作用比二氧化碳大20～60倍。

However, most of metal is chemically active and easy to be corroded by oxygen in the air or other corrosive media.

大多数金属因为化学性质较活泼，容易被空气中的氧气或者其他腐蚀性介质氧化而发生腐蚀。

The preparation of new chemically active and bioactive polymers.

新型化学活性与生物活性聚合物的制备。

Research Background and Objective: The reactive oxygen species ( ROS) is one of biological free radicals in the body, its oxygen-containing functional groups are chemically active.

研究背景和目的：活性氧（reactive oxygen species，ROS）是一组含有化学性质活泼的含氧功能基团的化合物，是生物体内的主要自由基。

These chemically active ferments cause havoc.

这些化学活性的酶造成广泛损害.