Titlebook: Origin of Life; Proceedings of the T Yecheskel Wolman Conference proceedings 1981 D. Reidel Publishing Company, Dordrecht, Holland 1981 Cam

狂亂

Organic Chemical Evolution of Reducing Model of the Atmosphere of the Primitive Earth. Role of UV L in the synthesis of organic compounds out of a reducing model of that atmosphere. Since Miller’s experiments in 1953, most of the experimental simulations have been performed with electric discharges, and it is frequently assumed that UV radiation would give similar results.

一再遛

Far UV Photolysis of Methane-Water Gaseous Mixtures and the Prebiotic Synthesis of Aldehydes,arth. The only detected organic products are hydrocarbons, ketones and formaldehyde. The results are compared with those of a previous study which evidenced the synthesis of aldehydes, alcohols and ketones. The prebiotic significance of these results are discussed.

transient-pain

Photolysis of CH4-NH3 Mixtures and PH3 as Models for the Photochemical Transformations on the Primiin the presence of CH. at 185 nm in the temperature range of 25°C to ?100°C results in the decomposition of CH.. The reaction is inhibited by added H2 or SFg. These findings are consistent with the reaction of hot hydrogen atoms with CH. to give CH.. P.H. is the initial product formed by the photoly

NAIVE

Possible Role of Phosphine in Chemical Evolution,an be synthesized. From the experiments using UV light as an energy source, it appears that the presence of phosphine drastically increases the yield of photolysis of methane and, thus, the yield of the formation of organic matter. The presence of phosphine enhances the formation of organophosphorou

反話

Clays as Prebiotic Photocatalysts,oring the possibility that clays may actually be energizing the reaction by means of electronic excitation, creating mobile or trapped holes and electrons in the lattice. We have discovered that clays emit light upon dehydration. We are testing the correlation between dehydration-induced, or thermol

和平主義

Clay-Mediated Reactions of HCN Oligomers. The Effect of the Oxidation State of the Clay,on of DAMN, a key intermediate in HCN oligomerization, by the Fe(III) incorporated into the aluminosilicate lattice of the clay. The Fe(III) oxidizes DAMN to diiminosuccinonitrile (DISN), a compound which is rapidly hydrolyzed to HCN and oxalic acid derivatives. DAMN is not oxidized when Fe(III) in

Hyperplasia

Chemical Evolution and Plate Tectonics,aled large quantities of glycine (about 1 micromole per liter) and no other dissolved free amino acids. This brine and the underlying sediment constitute a reducing, acidic, clay rich, anhydrous to hydrous gradient system that can vary in temperature from 1100°C underlying magma to 63°C water. Since

不妥協(xié)

入伍儀式

dissolution

or can occur. Usually there are specified forbidden relationships and acts as well as tabooed times and places. In this chapter, we discuss a subset of persons in this behavioral area in our culture, those individuals considered and labeled “sexual predators”. We will consider the so-called “science