Press Release on Temperature Research: September-2018

Atoms Reach Record Temperature, Colder than Absolute Zero

Absolute zero is usually thought to be the coldest temperature doable. however currently researchers show they’ll bring home the bacon even lower temperatures for a wierd realm of “negative temperatures.”

Oddly, differently to appear at these negative temperatures is to contemplate them hotter than eternity, researchers else.

This uncommon advance may lead to new engines that would technically be quite 100% economical, and shed light-weight on mysteries admire dark energy, the mysterious substance that’s apparently pull our universe apart. [1]

Influence of seasonal variability of precipitation and temperature on performances of pawpaw varieties intercropped with cucumber

Tropical fruit crops usually respond otherwise to limiting growth conditions below variable extremes of environmental conditions. Field experiments conducted in Abeokuta, Nigeria evaluated the influence of differences due to the season on 2 pawpaw (Carica papaya L.) varieties (‘Sunrise solo’ and ‘Homestead selection’) in cropping mixture with cucumber (Cucumis sativus L.) var. ‘Market-more’ (pawpaw-cucumber mixed or planted sole) across 3 seasons. Repeated-measures analysis (RM), Principal Component Analysis (PCA) and Two-Way analysis of variance were used for the evaluation of the 3 × 2 × 2 factorial experiment arranged in randomized complete block design replicated thrice. The results showed that juvenile pawpaw in year-two environmental conditions of moderate precipitation and better temperature, and mature pawpaw in year-three of upper precipitation and moderate temperature had improved vegetative growth performances, nevertheless in fruitful growth pawpaw in year-two through interaction of precipitation and lower temperature obtained a lot of flowers, higher fruit setting rate and heavier fruit yield than those in years-one or –three. [2]

High temperature dynamic response of SPS-processed Ni3Al

To clarify mechanisms governing plastic deformation in SPS-processed Ni3Al, the temperature-dependence of its yield strength was determined at temperatures up to 1200 K. supported these measurements, the evolution of elastic-plastic waves with propagation distance in samples of Ni3Al was studied at room temperature and at 923 K, the temperature at that most yield strength is seen. The variations between temperature dependencies of yield strength measured underneath dynamic and static conditions are often explained as being the results of competition between primary (octahedral planes) and secondary (cubic planes) dislocation glide systems. [3]

Segmentation pattern of zebrafish caudal fin is affected by developmental temperature and defined by multiple fusions between segments

Caudal‐fin lepidotrichia is composed of numerous segments, that ar connected to every alternative by intersegmental joints. throughout fish growth, lepidotrichia elongate by the addition of recent segments at their distal margin, whereas the length of every section remains constant when it’s shaped. within the gift paper, we tend to examined whether or not the water temperature affects the segmentation pattern of the juvenile and adult tail fin. For this purpose, zebrafish (Danio rerio) embryos and larvae were exposed to 3 completely different temperature conditions (24°C, 28°C, and 32°C) from the pharyngula stage (1 day postfertilization [dpf]) to metamorphosis, whereas the management temperature (28°C) was applied to any or all the teams before and when this era. Results incontestable  that water temperature had a major result on the length of the segments of every lepidotrichium, at each the juvenile and adult stages. [4]

TEMPERATURE EFFECT ON THERMAL CONDUCTIVITY DETECTOR IN GASES (CARBON DIOXIDE, PROPANE AND CARBON MONOXIDE) ANALYSIS: A GAS CHROMATOGRAPHY EXPERIMENTAL STUDY

Vehicle exhaust gas part analysis, corresponding to greenhouse gas (CO2), gas (C3H8), and CO (CO) is of nice importance to support dominant program for the part gases below the allowable levels. Among all the accessible strategies, the gas natural action with thermal physical phenomenon detector (GC-TCD) was accustomed bring home the bacon the study purpose. However, within the real application, the operational parameter  of the GC-TCD ought to be first of all well optimized. during this study, the result of detector temperature on the GC-TCD parameters together with, retention times, sensitivity, property, precision, limit of detection (LoD), and limit of quantitation (LoQ) were evaluated, whereas alternative operational parameters of GC-TCD were unbroken identical. [5]

Reference

[1] Atoms Reach Record Temperature, Colder than Absolute Zero

By Charles Q. Choi, Live Science Contributor | January 3, 2013 02:09pm ET (web link)

[2] Influence of seasonal variability of precipitation and temperature on performances of pawpaw varieties intercropped with cucumber

Olubode OO. Influence of seasonal variability of precipitation and temperature on performances of pawpaw varieties intercropped with cucumber. Scientia Horticulturae. 2018 Aug 29. (Web link)

[3] High temperature dynamic response of SPS-processed Ni3Al

Frage N, Kalabukhov S, Wagner A, Zaretsky EB. High temperature dynamic response of SPS-processed Ni3Al. Intermetallics. 2018 Nov 1;102:26-33. (Web link)

[4] Segmentation pattern of zebrafish caudal fin is affected by developmental temperature and defined by multiple fusions between segments

Christou M, Iliopoulou M, Witten PE, Koumoundouros G. Segmentation pattern of zebrafish caudal fin is affected by developmental temperature and defined by multiple fusions between segments. Journal of Experimental Zoology Part B: Molecular and Developmental Evolution. (Web link)

[5] TEMPERATURE EFFECT ON THERMAL CONDUCTIVITY DETECTOR IN GASES (CARBON DIOXIDE, PROPANE AND CARBON MONOXIDE) ANALYSIS: A GAS CHROMATOGRAPHY EXPERIMENTAL STUDY

OMAN ZUAS1*, HARRY BUDIMAN1 AND MUHAMMAD RIZKY MULYANA1

1Research Center for Chemistry, Indonesian Institute of Sciences, Puspiptek Serpong, Tangerang 15314, Indonesia. (Web link)