organic substance

基本解释

It is an organic substance and is a petrified rosin of ancient trees related to rosin .
一种有机物质。它是一种含一些有关松脂的古代树木的石化松脂。
The exciting finding was the presence of a soft, flexible organic substance inside the channels.
令人兴奋的是在这些管状分支中存在着柔软的有机物质。
PROF. : That's right. He reasoned that, in today's conditions, plants would absorb any organic substance.
对了。他的理由是，在今天的环境条件下，植物吸收的有机物质而大量生产，或者动物会。

And there was resistance to the temptation in Washington to turn these things into political talking points, but allow them instead to be more organic and focused on the substance -- and not just on fiscal issues, as I said, but immigration reform, gun violence, energy independence, education -- the whole range of issues that are the President's priorities and they also happen to be the American people's priorities.
WHITEHOUSE: Press Briefing
Also, scientists at the Hong Kong Polytechnic University have been able to build a nano-thin layer of particles of titanium dioxide, a substance that reacts with sunlight to break down dirt and other organic material.
FORBES: Nanotechnology's Disruptive Future

有机物
According to the mechanism of biological dephosphorization, the efficiency of removing phosphorus related to content and removal of organic substance.
按照生物除磷的机理,除磷效率的高低与基质中易降解有机物的含量及有机物的去除密切关联。因此,本课题在重点研究电场强化除磷同时,还进一步考察了有机物强化去除的规律。
水溶性染料

有机质
Soil acidization,low organic substance and effective nutrients,nutrition defect and disorder are the major problems in rubber plantations of Yunnan.
云南橡胶园土壤存在明显酸化、有机质下降、有效养分降低、缺素和营养失调等问题。
化学
有机质