Results 271 to 280 of about 300,025 (308)

New data on temperature optimum and temperature changes in energy crop digesters

Bioresource Technology, 2008
As a result of self-heating in anaerobic digesters when using energy crops in the feedstock, the influence of temperature on the digestion process came back into focus. The aim of this study was to investigate the impact of such temperature increases on process stability.
H, Lindorfer, R, Waltenberger, K, Köllner, R, Braun, R, Kirchmayr   +4 more
openaire   +2 more sources

Optimum Temperatures and Temperature Ranges for Growth of Snow Algae

Arctic and Alpine Research, 1975
Blooms of algae are known to occur in snow when air temperatures remain above freezing for extended periods of time. However, hard freezes may occur after snow algae make their appearance, and some species may survive this environmental stress more easily than others.
openaire   +1 more source

Optimum step‐stress for temperature accelerated life testing

Quality and Reliability Engineering International, 2007
AbstractStep‐stress accelerated life testing is a design strategy where the stress is modified several times during the test. In this work we address the problem of designing such a test. We focus on temperature accelerated life testing and we address the problems of setting the step duration and the stress levels.
openaire   +3 more sources

Some characteristics of the biological optimum temperature

Journal of Thermal Biology, 1983
Abstract 1. 1.|The concept of the biological optimum temperature (BOT) is developed. 2. 2.|BOT constitutes the ambient temperature ( T a ) at which the organism is expsed to minimum thermal stress. It can be derived from the relationship between ( T a ) and rectal temperature as well as between ( T a ) and the level of energy ...
openaire   +1 more source

On Optimum Control of Temperature Distribution in a Solid†

Journal of Electronics and Control, 1963
The paper describes a method of determining the switching instants for the input to a particular distiibutod-parameter system, namely a metal slab which is heated on one face and has tho opposite face insulated. The switching instants are determined on the basis of achieving a desired uniform temperature in the slab in tho shortest possible time, given
openaire   +1 more source

Non-optimum ambient temperature may decrease pulmonary function: A longitudinal study with intensively repeated measurements among asthmatic adult patients in 25 Chinese cities

Environment International, 2022
Jian Lei, Ting Yang, Ya Gao
exaly  

Denaturation at the optimum temperature

Biochemical Education, 1979
openaire   +1 more source

Non-optimum temperature-related mortality burden in China: Addressing the dual influences of climate change and urban heat islands

Science of the Total Environment, 2021
Miaomiao Liu, Jun Bi
exaly  

Years of life lost and mortality risk attributable to non-optimum temperature in Shenzhen: a time-series study

Journal of Exposure Science and Environmental Epidemiology, 2020
Yanran Duan, Xuehan Liu, Yingbin Fu
exaly  

The optimum temperature of soil microbial respiration: Patterns and controls

Soil Biology and Biochemistry, 2018
Yuan Liu, Nianpeng He, Xuefa Wen
exaly