库德拉认为海洋动物排泄的尿素很少，污染问题几乎都是人类造成的。
"Marine animals release small amounts of urea, but the pollution problem is almost entirely human caused," says Kudela.
经常排泄成形大便，或用母乳喂养的婴儿排泄的松散“糊状”大便，不是腹泻。
Frequent passing of formed stools is not diarrhoea, nor is the passing of loose, "pasty" stools by breastfed babies.
平均每只大象每天排泄的粪便重达220磅，这重量相当于一只刚出生的小象，这重量会在170到250磅间不等。
The average elephant squeezes out about 220 pounds of excrement every single day. That's about the same poundage as a newborn elephant, which generally weighs in at between 170-250 pounds.
平均每只大象每天排泄的粪便重达220磅，这重量相当于一只刚出生的小象，这重量会在170到250磅间不等。
The average elephant squeezes out about 220 pounds of excrement every single day.That's about the same poundage as a newborn elephant, which generally weighs in at between 170 – 250 pounds.
目的：了解肾上腺糖皮质激素对阿霉素肾病大鼠尿蛋白排泄的影响。
Objective: To study the effect of glucocorticoid on urinary protein excretion in adriamycin nephrosis (AN) rats.
要确保阀门排泄的水直接排放到一个畅通的排水口，并保证不会冻结。
Make sure the discharge of this valve is directed to an open drain and protected from freezing.
由此提示，苦黄注射液具有良好的利胆和促进胆红素从胆汁中排泄的作用。
It is suggested that Kuhuang Injection have good cholagogic action and excretion-promoting action of bilirubin from bile.
比较青霉胺及锌剂治疗肝豆状核变性（HLD）的疗效及对尿铜排泄的作用。
PURPOSE To compare the efficacy and urinary copper excretion in the treatment of hepatolenticular degeneration (HLD) with penicillamine and zinc.
岩溶泉域地下水具有集中排泄的特点，它类似于流体力学中的非恒定孔口出流。
The groundwater in Karst spring basin has a characteristic of concentration drain, it is similar to unsteady orifice outflow in fluid mechanics.
在历史上，纺织染料是由植物和动物排泄物等天然资源制成的。
Historically, textile dyes were made from such natural sources as plants and animal excretions.
受感染家禽将病毒分泌或排泄到它们的唾液或粪便中。
Infected poultry excrete virus in their secretions and faeces.
更有可能的是鸟类运输：或者是通过外部途径，即种籽偶然附着在羽毛上；或者是通过内部途径，即鸟类吞食果实并随后将种籽排泄出来。
More probable is bird transport, either externally, by accidental attachment of the seeds to feathers, or internally, by the swallowing of fruit and subsequent excretion of the seeds.
例如，植物为动物提供所需要的氧气和食物，同时吸取动物的排泄为养料，使二者得以蓬勃发展。
For example, plants provide oxygen and food to creatures and at the same time assimilate their excretions as nourishment, resulting in both flourishing.
感染拉沙病毒的Mastomys 鼠并不发病，但它们可将病毒排放到其排泄物（尿和粪便）中。
Mastomys infected with Lassa virus do not become ill, but they can shed the virus in their excreta (urine and faeces).
在孟加拉国和印度后来发生的疫情期间，尼帕病毒通过与患者的分泌物和排泄物密切接触直接人传人。
During the later outbreaks in Bangladesh and India, Nipah virus spread directly from human-to-human through close contact with people's secretions and excretions.
科学家们在蚊子肾部的导管中发现了一种关键的蛋白，它能帮助蚊子进行必要的排泄。
Scientists have discovered a key protein in the renal tubes of these mosquitoes that helps with the necessary excretion.
在海洋上层200米左右的水体中，有些死亡或排泄物质在微生物的作用下转变为二氧化碳，并重新进入大气层。
In the top 200 metres or so of the sea, some dead or faecal matter is turned back into CO2 by microbes and may then re-enter the atmosphere.
他认为厕所将能够检测我们的排泄物以发现疾病的迹象。
Our toilets will check our excretions for telltale signs of disease, he suggests. M.
他认为厕所将能够检测我们的排泄物以发现疾病的迹象。
Our toilets will check our excretions for telltale signs of disease, he suggests. M.R.I.
这个研究小组正在用人和动物的排泄物生产生物燃料。他们希望以此替代目前占据市场主导地位但却有害的汽油、柴油和喷气燃料。
The team is working towards producing a biofuel that USES human and animal excretion, with the hopes of replacing harmful gasoline, diesel and jet fuel that dominate the market.
植酸酶可以提高植物性饲料原料中磷的利用率，降低粪便中磷的排泄量。
Phytase can improve the phosphorus digestibility of plant stuffs and decrease the phosphorus excretion.
依靠着科学家们希望能够理解的机理，黑熊可以在五至七个月中不吃不喝，甚至不排泄废物。
Relying on mechanisms that scientists would love to understand, black bears spend five to seven months without eating, drinking or taking a single bathroom break.
农民蚂蚁分泌抗生素来控制其他可能充当“杂草”的真菌，并传播排泄物来给作物施肥。
Farmer ants secrete antibiotics to control other fungi that might act as "weeds", and spread waste to fertilise the crop.
家畜的粪便也是一个问题，其排泄时产生大量甲烷气体，粪便会被雨水冲走，有可能污染河流、湖泊、甚至地下水。
Manure is also a problem, since it gives off methane and can be washed away by rain, potentially poisoning rivers, lakes or even groundwater.
一头猪每天要排泄2.2公斤粪便，只有限定在一定的区域才能最大程度地保持清洁。
Each pig will be expected to expel 2.2 kilograms, or almost five pounds, of excrement per day, and only in certain areas for maximum cleanliness.
金先生说，他有一个两腔混凝土堆肥式厕所，但是在读了《人类排泄物手册》之后，他学到了一种更好的方式。
He has a two-chamber concrete composting toilet, Mr. King said, but after reading "the Humanure Handbook," he has learned there is a better way to go.
紫胶虫用粘性排泄物作为停留在它所生存的树上的手段。
The Kerria lacca uses the sticky excretion as a means to stick to the trees on which it lives.
研究人员发现，古代驯鹿和现在的育空鹿群沾亲带故，因为遗留的排泄物表明它们有着相似的饮食习惯。
The researchers found that the ancient caribou are related to the herds inhabiting the Yukon today, while their preserved droppings suggest they had a similar diet.
专家们说，没有理由恐慌，不过注意还是应该的，原因是细菌的传播常常与厕所不干净和人体排泄物中的细菌有关。
Experts say there's no reason to panic — even though there may be good reasons to be grossed out, since the spread of germs is often linked to poor bathroom hygiene and bacteria from human waste.
专家们说，没有理由恐慌，不过注意还是应该的，原因是细菌的传播常常与厕所不干净和人体排泄物中的细菌有关。
Experts say there's no reason to panic — even though there may be good reasons to be grossed out, since the spread of germs is often linked to poor bathroom hygiene and bacteria from human waste.
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