نتایج جستجو برای: n and ca
تعداد نتایج: 16954582 فیلتر نتایج به سال:
Abstract 47 Sc can be produced from different three neutron induced nuclear reactions as Ti(n,p) Sc, 50 V(n,?) and 46 Ca(n,?) Ca, Ca(? ? ) using the Egyptian Second Research Reactor. The measured cross-sections (?) are 62.12 ± 1.93, 4.51 1.27 69.36 2.01 mb natural targets of TiO 2 , V O 3 CaO respectively. carrier-free Ti(n,p), was purified a composite Alginate–Carboxymethyl cellulose/di-2-ethy...
The lipooligosaccharide (LOS) of Haemophilus influenzae contains sialylated glycoforms, and a sialyltransferase, Lic3A, has been previously identified. We report evidence for two additional sialyltransferases, SiaA, and LsgB, that affect N-acetyllactosamine containing glycoforms. Mutations in genes we have designated siaA and lsgB affected only the sialylated glycoforms containing N-acetylhexos...
cADPR (cyclic ADP-ribose) is a universal Ca(2+) mobilizing second messenger. In T-cells cADPR is involved in sustained Ca(2+) release and also in Ca(2+) entry. Potential mechanisms for the latter include either capacitative Ca(2+) entry, secondary to store depletion by cADPR, or direct activation of the non-selective cation channel TRPM2 (transient receptor potential cation channel, subfamily m...
هرس تابستانه و محلول پاشی با کلریدکلسیم می تواند باعث بهبود کیفیت میوه های کیوی در زمان برداشت و در طی مدت انبارمانی شود. در این پژوهش، اثر هرس تابستانه در دو زمان مختلف، 2 روز و 15 روز بعد از ریزش گلبرگ ها به تنهایی یا همراه با محلول پاشی کلریدکلسیم برکیفیت و عمر انبارمانی میوه ی کیوی رقم ’هایوارد‘ بررسی شد. محلول پاشی با کلسیم 90 روز بعد از ریزش گلبرگ ها، با فاصله 15 روز یک بار، جمعا چهار مرح...
This study makes use of online teaching in this environment and adopts it for a required computer skills course with Cognitive apprenticeship (CA) Co-regulated learning (CRL) methods to improve students’ skills, motivation, experience learning. The subjects are first-year students non-information-related department at private university northern Taiwan. A total four classes comprising 111 parti...
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