生物循环是化学物质在生物圈内的循环。
介绍了该工艺的基本原理、特点及垃圾渗滤液微生物循环培养方法。
The basic principle and characteristics of the process, and the method of cyclic culture of inoculated microbe from refuse leachate were presented.
这是一个非常棒的生物循环,它很棒,它给周边人们的生活带来正面影响。
It's a very good circle-it's a good, positive thing for this neighborhood.
本文研究了我国北亚热带高海拔地区红三叶人工草地11种营养元素的生物循环特征。
This paper deals with the biocycling characteristics of 11 nutrient elements of artificial Trifolium pratense grassland in high mountain region of northern subtropical zone of China.
接下来的十年中,该项目将试着去了解地球上所有的碳,而不仅仅是通过大气、海洋和生物循环的东西。
Over the course of the next decade it will attempt to understand all the carbon in the Earth, not just the stuff that cycles through the atmosphere, the oceans and living things.
这些生物循环到肺,他们在那生长繁殖,一两周后进攻人体的红血球和再次数千万倍的繁殖。
These organisms travel to the liver. They grow and divide there. After a week or two, the parasites invade red blood cells and reproduce thousands of times.
土壤有机质为森林生态系统生产力构成的重要部分,是森林生态系统生物循环中的重要环节之一。
Soil organic matter is a very important part of forest ecosystem productivity, and is also a very important tache of biological cycling in forest ecosystem.
循环利用将意味着用作原始目的或其他目的的生产工艺的加工包含生物循环利用但不包含能源回收“。
Recycling shall mean the reprocessing in a production process of the waste materials for the original purpose or for other purposes including organic recycling but excluding energy recovery"."
从磷在生态系统中的意义和磷的地质、生物循环过程入手,论述了从污水及污泥中回收磷资源的技术方法。
From the meaning of phosphorus in ecosystem and the geological and biological circulation of phosphorus, the technical way of recovering phosphorus from civic wastewater and sludge is discussed.
在硫的生物循环过程中,硫的循环速率为0.40,而绵羊通过粪尿归还的硫量是植物凋落物归还量的6倍;
The rate of S biological cycling was about 0.40 in the grazing sheep system. The amount of S through feces and urinary return was as 6 times as through litter decomposition.
因此,生态系统以生物及其活动作为媒介,涉及能量和物质的循环、转化和积累。
Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.
在酶的帮助下,噬菌体侵入下一层细菌,如此循环直到生物膜被完全破坏。
Aided by the enzyme, the viruses then penetrate the next layer of bacteria, repeating the cycle until the biofilm is destroyed.
在温暖海域,深海里的营养物质难以循环至海面,会导致总体生物生产力的下降。
In warmer oceans nutrients in deeper water will be less easily recycled to the surface, which may lead to lower biological productivity overall.
一些科学家认为过去大量海洋生物的灭绝,将引起数百万年后地球碳循环上下幅度变大。
Some scientists think that massive ocean extinction events in the past caused Earth's carbon cycle to fluctuate wildly for millions of years afterwards.
在完全黑暗的条件下,根本无法进行光合作用,但绝大多数光养生物都通过依赖混合营养体的营养循环生存了下来。
No photosynthesis could take place under the complete darkness, but the phototrophs mostly managed to survive based on nutrients cycled by the active mixotrophs.
海洋的浮游生物即构成了食物链底端,又是我们地球碳-氧循环的交换场。
The ocean's planktons form the bottom of both the food chain and the bulk of the carbon-oxygen cycle for our planet.
浮游生物的大幅减少有可能威胁到海洋动物的生长以及人类依存度相当高的渔业生产,因为它会形成一种加剧气温进一步升高的反馈循环机制。
A big reduction in phytoplankton could threaten Marine animals and the fisheries humans depend on. And it could create a climate feedback loop that would increase temperatures further.
“我们生活的很好,”那生物补充道,为了生存它每天需要150万卡路里,“但是物种总是有兴有衰,这是自然循环规律,我们生活在这个规律之下。”
"We had a good run," added the creature, who requires 1.5 million calories each day to survive. "But species come and go."
“海洋生态系统是由多种资源孕育而非单一依靠冰川,”胡德说,“例如,洋面上升是一种自然循环现象,富含养分的冷水从海底升起,滋养了海面的生物。 但是,由于冰川的融化而导致大量淡水突如其来涌入海洋,这可能会破坏洋流的正常循环。”
But a sudden influx of fresh water from melting ice could also disrupt the ocean currents that drive upwelling.
但是,生物质农作物的碳平衡必需依赖整个生命循环。
But the carbon balance for biomass crops depends on the whole lifecycle.
设备内的水管使气泡穿过设备,为自养生物提供养分,同时使污水循环,为细菌提供养分。
Tubes within each device pump air bubbles through to support the autotrophs. This also circulates the sewage to feed the bacteria.
这一条并不是说你需要去花钱在可生物降解或可循环材料上。
By this I don't mean you need to invest in biodegradable or recycled materials.
设备内的水管使气泡穿过设备,为自养生物提供养分,同时使污水循环,为细菌提供养分。
Tubes within each device pump air bubbles through to support the autotrophs.This also circulates the sewage to feed the bacteria.
该循环融汇各种运输手段,同时,创造出真正的生活单元,如湖泊,滨海码头和其他生物空间。
This circuit incorporates every means of transportation and, at the same time, creates real living cells, such as lakes, marinas and other biologic spaces.
氮循环的一个关键组成部分就是——在大气中,将纯净的氮固定为成含氮化合物的形式——这或多或少要完全依赖于生物(闪电仅起一点儿作用)。
One crucial part of this cycle-the fixing of pure nitrogen from the atmosphere into useful nitrogen-containing chemicals-depends more or less entirely on living things (lightning helps a bit).
氮循环的一个关键组成部分就是——在大气中,将纯净的氮固定为成含氮化合物的形式——这或多或少要完全依赖于生物(闪电仅起一点儿作用)。
One crucial part of this cycle-the fixing of pure nitrogen from the atmosphere into useful nitrogen-containing chemicals-depends more or less entirely on living things (lightning helps a bit).
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