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Article
Identification and properties of intense star-forming galaxies at redshifts z > 10
Surveys with the James Webb Space Telescope (JWST) have discovered candidate galaxies in the first 400 Myr of cosmic time. Preliminary indications have suggested these candidate galaxies may be more massive an...
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Article
Normal, dust-obscured galaxies in the epoch of reionization
Over the past decades, rest-frame ultraviolet (UV) observations have provided large samples of UV luminous galaxies at redshift (z) greater than 6 (refs. 1–3), during the so-called epoch of reionization. While a ...
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Article
Open AccessOptimising perioperative care for hip and knee arthroplasty in South Africa: a Delphi consensus study
A structured approach to perioperative patient management based on an enhanced recovery pathway protocol facilitates early recovery and reduces morbidity in high income countries. However, in low- and middle-i...
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Article
Effects of introduction and exclusion of large herbivores on small rodent communities
In this study we analysed the effects of large herbivores on smallrodent communities in different habitats using large herbivore exclosures. Westudied the effects of three year grazing introduction by red deer(Ce...
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Article
Woody species colonisation in relation to habitat productivity
A study was conducted to analyse the effect of habitat productivity on woody species colonisation. Three soil types were distinguished: a relatively poor sandy soil type (1), a somewhat richer sandy type (2) a...
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Article
Basic Oxygen Steel at Hoogovens
A short description of the layout and some of the problems encountered in the change over from 60- to 100-ton vessels, followed by an outline of operating practice. The problem of temperature control in very f...
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Article
Influence of humidity on measurements with radiation pyrometers
Calculations are given for determining the errors, caused by water vapour absorption, in temperature measurements with radiation pyrometers of different optical systems. Some experimental checks are included.
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Article
Influence of humidity on measurements with radiation pyrometers
Calculations are given for determining the errors, caused by water vapour absorption, in temperature measurements with radiation pyrometers of different optical systems. Some experimental checks are included.
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Article
Cellulose und Cellulosederivate