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Pesticide toxicity to bees

Classification of pesticide toxicity Insecticide toxicity is generally measured using LD50 the exposure level that causes 50% of the population exposed to die. Toxicity thresholds are generally set at highly toxic (acute LD50 less than 2g/bee) moderately toxic (acute LD50 2ug/bee to 10.99g/bee) slightly toxic (acute LD50 11ug/bee to 100g/bee) non-toxic (acute LD50 more than […]

I first came a flu vaccine does not affect the efficacy of different reactions

At 1:00 p.m. on the September 3, Beijing Sinovac Biotech Co., Ltd. vaccine production line, 2 human dose, 30 g/1.0ml / bottle of influenza H1N1 Influenza Vaccine began filling offline, each smallest packaging, are clearly marked "State Yaozhun Zi S20090012", and come out the name of "look forward to blessing .1 Seoul." This is the […]

Squeeze means many companies making money Jiemi appliance stores

  Despite the distance "51" three weeks vacation time, but some appliance stores in Beijing have started, "just around the corner", and price promotions is still business, "crying," the biggest selling point. Yesterday's (April 9, 2006) in Beijing to see some home appliances stores, air conditioners, refrigerators frequent price cuts hundred, thousand, while a 42-inch […]

EU anti

EU officials have to Fujian verification Fuguiniao and Hengtai, experts suggest enterprises to actively seasonal EU officials have been quietly into Fujian China shoes anti-dumping investigation on the province three all-round shoe for field verification. The three enterprises in Quanzhou shoes accounted for 2, respectively, birds and Hengtai wealth. Yesterday, the reporter interviewed connect enterprises […]

TVS Scooty

History Scooty was initially conceived of as a Scooter for both sexes. However sales figures over the first two years indicated that more women were buying the Scooty than men. In 1998, Scooty went through a repositioning exercise to target women. Though it was seen as a risk with the large majority of Indian two-wheeler […]