Versuche über den Zeitmeßvorgang bei der photoperiodischen Diapause-Induktion von Pieris brassicae

1962 ◽  
Vol 17 (1) ◽  
pp. 57-61 ◽  
Author(s):  
Erwin Bünning ◽  
Gabriele Joerrens
Keyword(s):  
Significant Influence ◽  
Pieris Brassicae ◽  
Light Period ◽  
Diapause Induction ◽  
Corpora Allata ◽  
Physiological Status ◽  
Diurnal Changes ◽  
Influence Of Temperature ◽  
Influence Of Temperature On ◽  
Photoperiodic Diapause

With three different methods no significant influence of temperature on the timing process in photoperiodic diapause induction of Pieris brassicae was detectable. Between 15 and 21°C the physiological status in which light strongly inhibits diapause is always reached about 14 -16 hours after the beginning of the daily light period.The diurnal changes in responsiveness to light correspond to diurnal changes in the volume of the corpora allata.

scholarly journals Influence of Temperature on CO₂ and H₂S Corrosion Rates of Steel Pipelines Using Alloy-Select Software in the Lebanese Oil and Gas Offshore Environment

2021 ◽  
Vol 4 (2) ◽  
pp. 44-51
Author(s):  
Rawanne Farsakouri
Keyword(s):  
High Temperature ◽  
Low Temperature ◽  
Corrosion Inhibitor ◽  
Significant Influence ◽  
Oil And Gas ◽  
Influence Of Temperature ◽  
Suitable Material ◽  
Corrosion Rates ◽  
Water Composition ◽  
Influence Of Temperature On

By referring to the fact that corrosion rates alter upon variation of different conditions and no research relevant to Lebanon address corrosion issues yet, this study was conducted based on accurate Lebanese offshore data and water composition. Based on "Alloy Select Software", identifying the most suitable material from different alloys was revealed, which turned out to be Copper and Aluminum based alloys. Moreover, corrosion rates were detected under different conditions of Temperature, CO₂, and H₂S and then repeated in the presence of a corrosion inhibitor. Results of these studies proved the significant influence of high temperature accompanied with high CO₂ percentage. However, different results concerning low temperature with different percentages of H₂S were obtained.

The effect of temperature on high-resolution TEM image contrast

1995 ◽  
Vol 53 ◽  
pp. 640-641
Author(s):  
T. Geipel ◽  
W. Mader ◽  
P. Pirouz
Keyword(s):  
Form Factor ◽  
Inelastic Scattering ◽  
Accurate Method ◽  
Waller Factor ◽  
Effect Of Temperature ◽  
Specimen Thickness ◽  
Influence Of Temperature ◽  
Debye Waller Factor ◽  
Influence Of Temperature On ◽  
Atomic Form Factor

Temperature affects both elastic and inelastic scattering of electrons in a crystal. The Debye-Waller factor, B, describes the influence of temperature on the elastic scattering of electrons, whereas the imaginary part of the (complex) atomic form factor, fc = fr + ifi, describes the influence of temperature on the inelastic scattering of electrons (i.e. absorption). In HRTEM simulations, two possible ways to include absorption are: (i) an approximate method in which absorption is described by a phenomenological constant, μ, i.e. fi; - μfr, with the real part of the atomic form factor, fr, obtained from Hartree-Fock calculations, (ii) a more accurate method in which the absorptive components, fi of the atomic form factor are explicitly calculated. In this contribution, the inclusion of both the Debye-Waller factor and absorption on HRTEM images of a (Oll)-oriented GaAs crystal are presented (using the EMS software.Fig. 1 shows the the amplitudes and phases of the dominant 111 beams as a function of the specimen thickness, t, for the cases when μ = 0 (i.e. no absorption, solid line) and μ = 0.1 (with absorption, dashed line).

The Influence of Temperature on Successful Reproductions of Burbot, Lota Lota (L.) Under Hatchery Conditions

2010 ◽  
Vol 25 (1) ◽  
pp. 93-105 ◽  
Author(s):  
Daniel Żarski ◽  
Dariusz Kucharczyk ◽  
Wojciech Sasinowski ◽  
Katarzyna Targońska ◽  
Andrzej Mamcarz
Keyword(s):  
Lota Lota ◽  
Influence Of Temperature ◽  
Influence Of Temperature On
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