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    The pyrolytic release experiment: Measurement of carbon assimilation

    Hubbard, Jerry S. | Online Contents | 1976
    this experiment minimal assumptions are made about the nature of possible life forms. Such species are assumed to have adapted to the aridity ...

    Remark on models for amplification of asymmetry

    Czégé, J. / Fajszi, Cs. | Online Contents | 1977
    results clearly demonstrates the highly hypothetic nature and questionalble value of conclusions drawn from ‘by chance’ selection models. ...

    Method for the determination of protein evolution rates by amino acid composition. Evolution rate of actins

    Ogievetskaya, M. M. | Online Contents | 1977
    a 100 million years. One can explain the conservative nature of actin evolution as a sequence of its unique tightly fitted structure rich in ...

    A model for a non-chemical form of life: Crystalline physiology

    Schneider, Jean | Online Contents | 1977
    possible occurrence in nature of this kind of physiology, terrestrial and extraterrestrial rocks, interplanetary dust, white dwarfs and neutron ...

    A mechanism of disc-brake squeal

    Earles, S. | Tema Archiv | 1977
    to contradict the proposed basic squeal generating mechanism are explained. The fugitive nature of squeal noise in disc-brakes is discussed ...

    Isokinetic sampler for continuous airborne aerosol measurements

    Pena, J.A. / Norman, J.M. / Thomson, D.W. | Tema Archiv | 1977
    section to an end exhaust port. Exhaust port 'pumping' is used to compensate internal losses and, thus, helps preserve the isokinetic nature of ...

    The length of the transition period from the reducing to the neutral biosphere

    Broda, E. | Online Contents | 1977
    Abstract The development of the complicated mechanisms for $ N_{2} $ fixation, which in nature is an endergonic process and requires a ...

    Cost-effectiveness analysis of the proposed revisions in the exhaust emission standards for new and in-use gas turbine aircraft engines based on industry submittals

    Wilcox, R.S. / Munt, R. | Tema Archiv | 1977
    introduced by the fact that the nature of the study demanded that assumptions and predictions be made in an attempt to ascertain future facts. The ...

    The phenomenon of formation of prebiological compounds in volcanic processes

    Markhinin, E. K. / Podkletnov, N. E. | Online Contents | 1977
    -boiling (b.p. over 250°C) organic compounds of a complex structure. These are represented by hydrocarbons of saturated and aromatic nature, and ...

    Industrial vehicle drive line design and optimization for low noise and vibration levels

    Padoan, R. / Tantot, G. / Vuillaumier, B. | Tema Archiv | 1979
    aspects in an ever more accurate fashion. The presence of these problems is due to the very nature of the vehicles, their variety, characteristics ...

    An experimental study of propeller - induced structural vibration and interior noise

    Howlett, J.T. / Schoenster, J.A. | Tema Archiv | 1979
    results illustrate the complex nature of the noise transmission mechanisms and the importance of correctly assessing noise parths. (Wassmann) ...

    Soil stabilization by a prokaryotic desert crust: Implications for Precambrian land biota

    Campbell, S. E. | Online Contents | 1979
    measure of the potential for spreading of the mat in nature via the motility of the trichomes. Dehydration resistence of the sheath modifies the ...

    Archean photoautotrophy: Some alternatives and limits

    Knoll, Andrew H. | Online Contents | 1979
    Abstract From the Archean geological record, one can infer that photoautotrophy evolved early in earth history; however, the nature of this ...

    Computer experiment for selection of optical isomer during prebiotic polymerization

    Yamagata, Y. / Sakihama, H. / Nakano, K. | Online Contents | 1980
    Schlagwörter: Chemical Nature

    Sulphur isotope rations in late and early Precambrian sediments and their implications regarding early environments and early life

    Thode, H. G. | Online Contents | 1980
    depends, therefore, on environmental conditions and the nature of sulphate reservoirs during reduction. Sulphur isotope ratios can and have been ...

    Unconsidered sources of chirality in nature

    Kovacs, K. L. / Keszthelyi, L. / Goldanskii, V. J. | Online Contents | 1981

    Reflections on the origin of optical asymmetry on earth

    Ulbricht, Tilo L. V. | Online Contents | 1981
    -interactions too small to be detectable, and if it is so small, can it be of any significance? In view of the contradictory and confusing nature of the ...

    Organic syntheses from $ CH_{4} $−$ N_{2} $ atmospheres: Implications for Titan

    Raulin, François / Mourey, Didier / Toupance, Gérard | Online Contents | 1982
    the composition of the mixture on the nature and amount of synthesized compounds show that organic volatile nitriles, and particularly ...

    Probing the presently tenuous link between comets and the origin of life

    Hobbs, R. W. / Hollis, J. M. | Online Contents | 1982
    to many basic questions about the presently undetermined nature of cometary nuclei and inner comae. This same set of experiments, designed to ...