单词：gram-positive anaerobic bacterium
单词：gram-positive anaerobic bacterium 相关文章
Bacterium Targets Untreated HIV-Positive People Researchers are warning of an emerging form of intestinal disease in sub-Saharan Africa. Its targeting mostly HIV-infected people, who are not on treatment. The disease kills up to 45 percent of those i
VOA标准英语2012年(九月)
As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox
60秒科学
Glucosamine - a glucose or galactose molecule with an amine group attached. see also glucuronic acid. Glucose - a molecule of great importance to life as it provides a ready source of energy for both
医务英语
Ecological balance - astable balance in the numbers of each species in an ecosystem. In the ecosystem of the mouth this balance is brought about by competition and cooperation between the different or
医务英语
Apatites- a family of calcium phosphate salts which are found in hard tissues like bone, teeth and shells. Apoptosis - death of a cell which is programmed by a set of specific genes. Apoptosis of chon
医务英语
Ameloblasts- cells which differentiate from ectoderm and secrete enamel during tooth development. Amino acids - building blocks of proteins containing a carboxyl group (COOH) and an amino group(NH2) b
医务英语
Abductors - muscle taking a limb or the jaw away from the body. Acetyl choline - Aneurotransmitter substance found at all cholinergic synapses including those of motoneurones at the neuromuscular junc
医务英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o
Scientific American(四)月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo
Scientific American(四)月
AS IT IS 2015-09-18 Palestinians Turn Organic Waste into Gas for Cooking 巴勒斯坦人将有机废物转化成天然气做饭 Rural communities in developing countries often have trouble securing dependable supplies ofenergy for cooking and lightin
2015年VOA慢速英语(九)月
In the northwestern United States, the city of Seattle requires its residents to separate food waste from the rest of their trash. The food gets recycled into compost for lawns, gardens and, soon, into electricity. Every day, at Cedar Grove Compostin
VOA标准英语2010年(十一)月
Britain's first bus powered by human waste has taken to the streets. 近日，英国首辆靠人类粪便供能的新型环保巴士正式上路。 The 40-seater 'Bio-Bus' is fuelled by biomethane gas, generated by the treatment of sewage and food wa
英语新闻
a high spatial resolution 高空间分辨率 a xenon-lamp 氙灯 abode n. 住所，住处 absence n. 缺乏 acceptor n. 接受者 access v. 接近 aerobic adj. 依靠氧气的，与需氧菌有关的
英文语法词汇
Even we can tolerate it only up to a point. 连我们对氧的耐受力也是有限度的。 The oxygen level in our cells is only about a tenth the level found in the atmosphere. 我们细胞里的氧气浓度，只有大气里的大约十分之一。
万物简史
Anniversaries were few and far between in the Archaean world. 在太古代的世界里，结婚周年纪念日是完全没有的。 For two billion years bacterial organisms were the only forms of life. 在20亿年时间里，细菌是惟一的生命形
万物简史
Science and technology 科学技术 Athletic performance 运动员的表现 Faster, higher, no longer 更快，更高已成往事 Is it time to update the Olympic credo? 是时候更改奥运会信条了？ ON AUGUST 5th millions of people will watch
经济学人科技系列
United States: Pet waste A crap-shoot 美国：宠物粪便，从粪便里发出的新芽 The city ponders a plan to make power from puppy poop. 在宠物粪便中提取能源，该市构建着一幅如此蓝图。 Dogs, unlike people, are capable of
经济学人综合
比较难以记住的GRE词汇 holistic 全面的，从整体着眼的 virtually almost virtual in fact mucus 粘液 by virtue of 由于 shrank 缩小，shrink 的过分 pool 集中备用的工人、钱或物资 syntax 句法，句子构造 grid grat
GRE英语
Number ten. The Great Wall of China is the only man-made object visible from space. 第十。中国长城是唯一能在太空中看到的人造物体。 To see something on Earth from space, it would have to be pretty big, 要从太空看到地球上的
欧美人文风情