[医] 硫化硒

I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it

发表于:2018-12-20 / 阅读(152) / 评论(0) 分类 cnn2009年(十一)月

Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system

发表于:2019-01-02 / 阅读(216) / 评论(0) 分类 60秒科学

99 吸收金属原料的植物有助于抗癌药品的研制 AGRICULTURE REPORT September 25, 2001: Plants that Absorb MetalsBy George Grow (Start at 1'00

发表于:2019-01-02 / 阅读(151) / 评论(0) 分类 科技之光

From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other

发表于:2019-01-12 / 阅读(205) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Study Shows Vitamin E Increases Prostate Cancer Risk A number of medical studies over the years suggested that vitamin E, taken as a dietary supplement, might help prevent prostate cancer. But new research finds not only that the earlier studies were

发表于:2019-01-14 / 阅读(147) / 评论(0) 分类 VOA标准英语2011年(十月)

Scientists Suggest Adding Selenium to Diets in Malawi The study, which was published in the journal Scientific Reports, found that most Malawi soils do not have an adequate amount of selenium required for human nutrition. In the report, researchers a

发表于:2019-01-14 / 阅读(149) / 评论(0) 分类 VOA标准英语2013年(三月)

Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n

发表于:2019-01-26 / 阅读(136) / 评论(0) 分类 英语听力文摘 English Digest

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(146) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
adjugates
alertness
anticoking treatment
autopact
barrils
base -pairing rules
Blumea membranacea
boiler regulator
by oneself
calcium succinate
Central America
Chavusy
chromosome granule
Classical Sanskrit
critical fission energy
Cuanza, R.
Deal Flow
dentalman
disglorify
dogfaced
double bus system
drifter drill for underground
entraoral anchorage
epithelioid angiosarcoma
equal length multi-unit code
equilibrium beam dimensions
explosion-tuff
extreme value index
food-store
Gandi
Gonocaryum
guitar cello
helminthosporium pruni broome et cavara
high treasons
Hubble time
Hunza-Nagar District
If the pills were pleasant, they would not want gilding.
inferior pharyngeal bone
kafeyah
Kaladze
Kinshasa
kissed my ass
Krasninskiy Rayon
lawrence
Loversol
made a god of their belly
marofsky
merchandisable
Merremia vitifolia
microwavetelephony
mobile diaphragm liquid manure pump
motw
multichannel photomultiplier
non-dimensional value
O electron
Oberneukirchen
object area
odd-even method
Ostrogoth
overclocker
Panner's disease
party-line telephone
patter flash
peladophobia
pelretin
Pentasodium
peroxocarbonate
pesquera
phenyl-xanthonic acid
phonemic stratum
Pietralunga
pluviometric coefficient
prepancreatic artery
proof(ing) room
put sth right
renvois
sahut
schoolkid
sealed cell
semidistributed coil
sheet diaphragm
slumberlike
Spetsai
spherical pitotprobe
ST_disease-and-illness_diseases-of-the-reproductive-system
Stara Pazova
stibonium iodide
suspended cell culture
suspenseless
symmetrical molecule
Talmest
Tebalon
terminating resister
Tiaroga
tinkerly
Trematodontoideae
trigermane
unfathomability
V-C
Widmer's sign
Yel'tsovskiy Rayon
Zitazonium