Results 11 to 20 of about 931,672 (300)

Optimum light weight concrete mix design against high temperature [PDF]

مهندسی عمران شریف, 2022
The fire phenomenon can cause the loss of structural materials resistance which may end to damage or even structural total collapse. Physical and chemical changes in concrete due to firing also make serious structural defects in concrete structures ...
M.Q. Panahy, H. Ostadhossein, A. Mirzaii, A.H. Baghbani   +3 more
doaj   +1 more source

Evaluation of germination characteristics and determination of cardinal temperatures of poppy (Papaver somniferum) seed [PDF]

علوم و فناوری بذر ایران, 2017
The aim of this study was to quantify the response of germination rate to temperature and to find cardinal temperatures required for different germination percentiles in Papaver somniferum. Four models of non-linear regression [Quadratic, Segmented, Beta
V. Amiri Monfared, A. Hashemi, A. Mamedi, R. Tavakkol Afshari   +3 more
doaj   +1 more source

Thermal reaction norms and the scale of temperature variation: latitudinal vulnerability of intertidal Nacellid limpets to climate change [PDF]

, 2012
The thermal reaction norms of 4 closely related intertidal Nacellid limpets, Antarctic (Nacella concinna), New Zealand (Cellana ornata), Australia (C. tramoserica) and Singapore (C.
Day, Robert W., Ericson, Jess, Lai, Chien-Houng, Lamare, Miles, Martin, Stephanie M., Morley, Simon A., Peck, Lloyd S., Tan, Koh-Siang, Thorne, Michael A.S.   +8 more
core   +4 more sources

Karakterisasi ekstrak kasar fitase termofilik dari bakteri kawah Ijen Banyuwangi, isolat AP-17

Journal of Biological Researches, 2010
Crude thermophilic phytase was produced by isolate AP-17 that has been isolated from Ijen Crater Banyuwangi. Based on Gram test, isolate AP-17 was gram positive spore forming rod shape bacteria so that it was identified as Bacillus sp. AP-17.
Aline Puspita Kusumadjaja, Tutuk Budiati, Sajidan Sajidan, Ni Nyoman Tri Puspaningsih   +3 more
doaj   +1 more source

The impact of heat waves and cold spells on mortality rates in the Dutch population. [PDF]

, 2001
We conducted the study described in this paper to investigate the impact of ambient temperature on mortality in the Netherlands during 1979-1997, the impact of heat waves and cold spells on mortality in particular, and the possibility of any heat wave ...
Huynen, M M, Kunst, A E, Martens, P, Schram, D, Weijenberg, M P   +4 more
core   +2 more sources

Activity and Process Stability of Purified Green Pepper (Capsicum annuum) Pectin Methylesterase [PDF]

, 2004
Pectin methylesterase (PME) from green bell peppers (Capsicum annuum) was extracted and purified by affinity chromatography on a CNBr-Sepharose-PMEI column. A single protein peak with pectin methylesterase activity was observed.
Alonso J., Alonso J., Anthon G. E., Castaldo D., Crelier S., Denès J.-M., Doesburg J., Eagerman B. A., Fachin D., Giovane A., Gross K. C., Heuskeshoven J., Indrawati, Indrawati, Jen J. J., Korner B., Laats M. M., Lee Y. S., Lin T. P., Ly-Nguyen B., Ly-Nguyen B., Markovič O., Pressey R., Puri A., Ramesh M. N., Rexová-Benková L., Sethu K. M. P., Seyderhelm I., Seymour T. A., Van den Broeck I., Van den Broeck I., Van den Broeck I., Versteeg C., Wicker L., Yemenicioǧlu A.   +34 more
core   +2 more sources

Comparison of Structural Features of CRISPR-Cas Systems in Thermophilic Bacteria

Microorganisms, 2023
The clustered regularly interspaced short palindromic repeat (CRISPR) is an adaptive immune system that defends most archaea and many bacteria from foreign DNA, such as phages, viruses, and plasmids. The link between the CRISPR-Cas system and the optimum
Chuan Wang, Yuze Yang, Shaoqing Tang, Yuanzi Liu, Yaqin Wei, Xuerui Wan, Yajuan Liu, Zhao Zhang, Yongjie Sunkang   +8 more
doaj   +1 more source

Optimum Germination Temperature of Rudbeckia fulgida [PDF]

HortTechnology, 1993
Germination trials of three seedlots were conducted over a temperature gradient for 14 days to determine the optimal germination temperature for the Black-eyed Susan (Rudbeckia fulgida Ait.). The optimal germination temperature for R.
Amy M. Fay, Steven M. Still, Mark A. Bennett   +2 more
openaire   +1 more source

MCIC: Automated Identification of Cellulases From Metagenomic Data and Characterization Based on Temperature and pH Dependence

Frontiers in Microbiology, 2020
As the availability of high-throughput metagenomic data is increasing, agile and accurate tools are required to analyze and exploit this valuable and plentiful resource.
Mehdi Foroozandeh Shahraki, Shohreh Ariaeenejad, Fereshteh Fallah Atanaki, Behrouz Zolfaghari, Takeshi Koshiba, Kaveh Kavousi, Ghasem Hosseini Salekdeh, Ghasem Hosseini Salekdeh   +7 more
doaj   +1 more source

Optimizing a sustainable ultrasound assisted extraction method for the recovery of polyphenols from lemon by-products:comparison with hot water and organic solvent extractions [PDF]

, 2018
Response surface methodology (RSM) based on a three-factor and three-level Box–Behnken design was employed for optimizing the aqueous ultrasound-assisted extraction (AUAE) conditions, including extraction time (35–45 min), extraction temperature (45–55 ...
Bowyer, Michael C., Golding, John B., Papoutsis, Konstantinos, Pristijono, Penta, Scarlett, Christopher J., Stathopoulos, Costas E., Vuong, Quan V.   +6 more
core   +2 more sources