منابع مشابه
Challenging the view that invasive non-native plants are not a significant threat to the floristic diversity of Great Britain.
Conservation scientists and practitioners have long recognized that not all non native species pose a threat to biodiversity, yet some ecologists still fail to grasp this message (1). The conclusions drawn by Thomas and Palmer (2) that non native plant species are not a threat to floral diversity in Britain highlight how this lack of understanding can lead to inappropriate analyses and mis lead...
متن کاملMaternity in Great Britain
Here is a comprehensive study of nearly 14,000 cases of births during the week beginning March 3rd, 1946. The enquiry was sponsored by the Joint Committee of the Royal College of Obstetricians and Gynaecologists and the Population Investigation Committee, under the chairmanship of Professor James Young. Antenatal supervision, the places of confinement, and care during confinement, the relief of...
متن کاملExposure to occupational carcinogens in great britain.
INTRODUCTION This paper describes the available exposure information for carcinogens in Great Britain and discusses some of the issues involved in using such data to inform an assessment of the attributable occupational cancer burden. METHODS Carcinogenic agents or occupations/industries such as hairdressers were identified from the list of International Agency for Research on Cancer groups 1...
متن کاملPrinted in Great Britain
Stopped-flow spectrophotometry and e.p.r. spectroscopy were used to study the kinetics of reduction by dithionite of the oxidized Fe protein of nitrogenase from Klebsiella pneumoniae (Kp2.0 ) in the presence of MgADP at 230C at pH7.4. The active reductant, SO2-, produced by the predissociation of S2042= 2SO2-, reacts with Kp20. (MgADP),, with k 3.0 x 106 + 0.4 x 106 M-l' s-1. The inhibition of ...
متن کاملWork in Great Britain
Up to the present in this country there has not been a great deal of systematized work done along the lines of child guidance. On the medical side much attention has been paid to the problem of mental deficiency, but with this child guidance has little or nothing to do, except in so far as it may be necessary to recognize the mental defective who comes to the clinic and transfer him to the care...
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ژورنال
عنوان ژورنال: Nature
سال: 1941
ISSN: 0028-0836,1476-4687
DOI: 10.1038/148217a0