Gelatin is main harmful matter.

胶质成分为主要有害物质。

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Quality water delivery , without releasing harmful matter; 4.

输送水质佳，不会向水中析出有害物质；

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How? Air filters can also act as a magnifier, forcing air into the combustion chamber while performing their job of blocking out harmful matter.

怎么了？空气过滤器也可以作为一种放大，迫使空气进入燃烧室在执行工作的阻断有害物质。

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Income taxes do matter, and harmful tax policies cause flocks of industry leaders and fledgling small business owners to find a way to successfully maneuver to their best advantage.

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The government has had some success targeting primary pollutants, but analysts say it is just beginning to target secondary pollutant problems, including particulate matter that is harmful to human health.

WSJ: China's Pollution Fight Faces Resistance

Most of these deaths occur in developing countries where larger amounts of harmful chemical compounds such as toxic gases and particulate matter are released in the atmosphere.

UNESCO: 2015 For Women In Science Fellows