| 词汇 | 有机物 |
| 释义 | 有机物 Organic and printed materials can also be used to make stretchable electronics, but they can't match silicon in terms of speed. They protect workers against everything from flour dust in a grain elevator to the damaging organic chemicals in paint spray. But the biology of the soil is also being damaged by the loss of organic matter, which can take five to ten years to recover. Satellites can observe changes in the way the ocean surface reflects and absorbs sunlight when the water holds a lot of particles of organic matter. PAHs are chemicals released into the air from the burning of coal, diesel, oil and gas, or other organic substances such as tobacco. But like all heavy non- ruminating mammals, they have trouble digesting cellulose, an organic compound which constitutes a third of all plant matter. They are made of organic matter:the same rules, the same laws of chemistry that apply to what makes this laser glow green apply to what makes these photodetectors work. Start a grassroots campaign to get people to buy local, buy organic, buy durable quality, and buy less: Be willing to pay more, but expect more for it. Then it's on to another tank, where oxygen is bubbled in, enabling bacteria to break down any organic matter in the wastewater. Africa has some of the most exhausted soils in the world, with less than1% of organic matter in them, half the level required for good fertility. It being the stuff of life— amino acids, sugars and other organic molecules. They help decompose organic matter, and their burrows keep soil drained and ventilated. Their ability to consume other organisms or organic matter helped them rebound quickly after low light returned, perhaps similar to the clouds of dust and debris finally beginning to clear. To boost oxygen in the long term, organic matter must be buried beyond the reach of hungry bugs and beasts. Typically, wastewater treatment plants pump oxygen into a roiling mix of raw sewage, to encourage good bacteria to break down organic matter. Nitrogen is one of the byproducts. Typically, wastewater treatment plants pump oxygen into a roiling mix of raw sewage, to encourage good bacteria to break down organic matter. They therefore suspect the main source of food for AAPB is dissolved organic matter released by phytoplankton. The reason this matters is that95% of dissolved organic matter seems to be refractory. It came from outer space. It being the stuff of life— amino acids, sugars and other organic molecules. The technique involves heating organic matter to produce a mixture of hydrogen and carbon monoxide, called syngas. These organisms provided the first hints about how much of aging was due to genes and innate biology and how much was the product of other variables. This organic matter has been here about a month. These microscopic impurities, derived from rock and from organic material in creatures that once lived on an ancient ocean floor, have undergone an amazing journey. These remains are known in the jargon as particulate organic matter. Such displays, which are based on the electroluminescence of organic compounds, are said to be thinner and brighter than LCDs, and offer wider viewing angles. This dissolved organic matter was not, until recently, thought to be an important component of the total. But Dr Jiao noticed something odd about its distribution in the sea. Low levels of organic pollutants and plastic- derived endocrine disruptors have been measured all over the world, even in areas where they’ve never been used, such as Antarctica. |
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