نتایج جستجو برای: ammonia synthesis
تعداد نتایج: 434427 فیلتر نتایج به سال:
The objective of this experiment was to determine the capability of ruminant gut tissues to detoxify ammonia-N using short-term incubations of isolated cells in vitro. Ruminal epithelial cells (REC) and duodenal mucosal cells (DMC) were isolated from growing Texel-Polypay ram lambs (n = 4) fed a pelleted forage:concentrate-based diet. Immediately after isolation, primary cells were incubated fo...
A cycloheximide-sensitive increase in the activity of phenylalanine ammonia-lyase (EC 4.3.1.5) occurs in Xanthium leaf disks exposed to light. Radioactive ammonia-lyase has been isolated by means of sucrose density gradient centrifugation and starch gel electrophoresis from disks fed l-isoleucine-U-(14)C or l-arginine-U-(14)C. The incorporation of radioactive amino acids into phenylalanine ammo...
Highly efficient ammonia synthesis at a low temperature is desirable for future energy and material sources. We accomplished efficient electrocatalytic low-temperature ammonia synthesis with the highest yield ever reported. The maximum ammonia synthesis rate was 30 099 μmol gcat-1 h-1 over a 9.9 wt% Cs/5.0 wt% Ru/SrZrO3 catalyst, which is a very high rate. Proton hopping on the surface of the h...
چکیده ندارد.
9 ABSTRACT | The development of a thermochemical energy 10 storage system based on ammonia, for use with concentrating 11 solar power is discussed in this paper. This is one of a group of 12 storage options for concentrating solar power, some of which 13 are already operating commercially using molten salts. The 14 ammonia storage development has involved prototype solar 15 receiver/reactors op...
1. Mitoplasts, unlike mitochondria, are readily permeable to acetylglutamate; by incubating mitoplasts with different external [acetylglutamate] a wide range of concentrations of this cofactor in the matrix can be obtained, which can be correlated directly with the velocity of carbamyl phosphate synthetase (ammonia). 2. The relationship between carbamyl phosphate synthetase (ammonia) activity a...
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