aCategories(类别)of Hurricanes There are five categories of hurricanes, which are based on wind speeds. The categories help people know how much damage(危害) a hurricane may cause because the greater the wind speed, the more dangerous the storm. For example, a Category 5 那里(飓风)类别类别是...
a情况十分危险 The situation is extremely dangerous[translate] aVoce diz para ele, que voce terá uma viagem para o Brasil a serviço e que ele terá que ficar com o Ruixiang por 3 meses, eu acho que ele não vai querer essa responsabilidade, então restará a ele, assinar a auto...
http://www.crscientific.com/article-bromine.html If you try this, please carefully read and understand the warning. It looks like a very dangerous procedure. Since I was able to buy some bromine in an ampoule, I probably won't ever attempt this. ...
PVC is commonly known as “vinyl” and is sometimes used to make dog toys. On the surface, PVS isn’t dangerous. But, PVS contains chlorine. Dog chews made of PVC will release chlorine over time. This is dangerous because chlorine produces dioxins (dangerous pollutants...
PVC:Polyvinyl chloride (PVC) by itself is generally not dangerous to dogs, but manufacturers often use toxic chemical additives to make the PVC more soft and flexible. Phthalates:An additive often used in PVC products. Over time, they can leach out and absorb through the skin (like your dog...
The hazards to tissues from other oxidizers will vary depending on the oxidizer and its concentration.Skin exposure can result in dangerous burns, but dermatitis (i.e., drying of the skin) is more common. Eyes are much more sensitive to exposure. The health hazard with oxidizing gases is inh...
Make sure that the pH-value is in the 7.0-7.2 range, since this will make the chlorine more effective. Superchlorinate the pool. Add a sodium bromide product to the water. Bromine is known to be especially effective against pink algae. ...
Shocking your pool is a necessary part of good maintenance, but please remember those chemicals can be extremely dangerous if they’re mishandled. We’re not exaggerating the danger—improperly stored chlorine can literally explode. Never add shock through your pool skimmer, especially if you have...
ashe is a busmess man 她是一个busmess人[translate] a在孩子时代我们经常玩一些危险的游戏。 We play some dangerous frequently in the child time the game.[translate] ahow doyou spel that? 怎么doyou spel那?[translate] asubtract from 减去从[translate] ...
It also disrupts lymph nodes and is linked to Alzheimer’s; Propylene glycol, which absorbs water, is another controversial chemical. It has been declared dangerous by the CDC, yet low levels of this chemical are approved by the FDA in personal care products. It can also irritate the skin ...