Results 281 to 290 of about 1,651,742 (317)

Operando X-ray imaging reveals size-dependent evolution of cobalt oxide thermochemical material during thermal redox cycles. [PDF]

Nat Commun
Peng Y, Zhou L, Van Winkle M, Chung CC, Zhao Y, Mangum J, Xiao X, Jungjohann K, Vidal J, Cui S, Ge M, Chen-Wiegart YK.   +11 more
europepmc   +1 more source

Chemical evolution of groundwater quality in the southern foot of Mount Fuji

, 2007
Kiyoji IKEDA
openalex  

Differentiating urethane and urea bond activation in polyurethane foam acidolysis. [PDF]

Chem Sci
Davis M, Richardson K, Westman Z, Stottlemyer AL, Letko C, Hooshyar N, Vlcek V, Christopher P, Abu-Omar MM.   +8 more
europepmc   +1 more source

Quartz chemical composition and apatite thermochronology trace leucogranite evolution and thermal history in the Koktokay No. 3 rare metal deposit, Chinese Altai

Xiangkai Chu, Ping Shen, Yingxiong Bai, Haoxuan Feng, Yaoqing Luo, Changhao Li   +5 more
openalex   +1 more source

Harnessing the structural evolution of metal-organic frameworks under electrocatalytic conditions. [PDF]

Commun Chem
Huang Z, Eder D.
europepmc   +1 more source

Predicting the decay-induced chemical evolution of crystalline compounds: the case of CsCl to BaCl

Blas P. Uberuaga, Chao Jiang, Christopher R. Stanek, Kurt E. Sickafus, Nigel A. Marks   +4 more
openalex   +1 more source

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Chemical Evolution

1997
Even if we take a ‘replicators first’ view of the origin of life, we still have to explain how a chemical environment arose that was sufficiently diverse for such replicators to be formed. As a minimum, we must explain the abiotic formation of sugars and amino acids, and of nucleotides or of some simpler molecules capable of base pairing, and hence of ...
John Maynard Smith, Eors Szathmary
openaire   +1 more source

Evolution was Chemically Constrained

Journal of Theoretical Biology, 2003
The objective of this paper is to present a systems view of the major features of biological evolution based upon changes in internal chemistry and uses of cellular space, both of which it will be stated were dependent on the changing chemical environment.
R J P, Williams, J J R, Fraústo Da Silva   +1 more
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Chemical Evolution of Galaxies

Annual Review of Astronomy and Astrophysics, 1976
The various nucleosynthetic processes needed to account for the formation of the different nuclear species have been described in the previous chapters as well as the location of these nucleosynthetic events. At the beginning of this monograph, the evolution of the matter which constitutes the celestial bodies such as planets, stars and galaxies was ...
Audouze, J., Tinsley, B.M.
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Chemical evolution of photosynthesis

Origins of Life, 1976
The principles of biological evolution of photosynthesis are established, but the ways of chemical evolution are unclear yet. The model systems will help to elucidate the problem. Every type of photosynthesis requires photoreceptor absorbing solar radiation. We studied as photoreceptors inorganic components of Earth crust, some coenzymes and porphyrins
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