Campylobacter jejuni (C.jejuni) is considered as an opportunistic zoonotic pathogen midi-dresses that may cause gastroenteritis in humans and other animals.Wild birds may be as potential vectors of C.jejuni around urban and suburban areas.Here, 520 samples were collected from 33 wild bird species in urban and suburban areas, Beijing.In total 57 C.j
In order to solve the problems of low accuracy and cumbersome operation of traditional coal mine shaft guide deformation detection methods, a coal mine shaft guide deformation detection device based on 2D laser scanner is designed.When the cage moves linearly along the shaft guide, the pulley that connected to the cage through the support arm and c
FIELD EXPERIMENTS to Compare Streptomycin with copper for control of fireblight Vanilla Chai of pears were conducted on the Natomas Company Ranch, east of Sacramento, under conditions which were compatible with a commercial pear growing operation.This pear ranch was selected for use because of the extensive fireblight present there during 1969.The