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A review of experimental data documenting that domestication of animals is associated with hereditary reorganization of neuro-endocrine mechanisms, responsible for basic processes of ontogeny, is presented. The data demonstrated changes in gonadal and pituitary-adrenal systems in domesticated animals. Analysis of evidence that selection for low aggressiveness towards man is, in fact, the selection for definite activity of brain neurotransmitters regulating aggressive behaviour and emotional stress response has been carried out. Supposed role of modifications in the mechanisms of domestication is discussed. 相似文献
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Comparative genetic analysis of social dominance in micropopulations of male mice as well as noradrenaline and dopamine levels in brain was carried out. The RT male mice had maximal level of social dominance and the greatest content of brain catecholamines. It is suggested that the capacity for social dominance may depend on the function of the central catecholamine neurons. This suggestion has been confirmed by the data obtained both for interstrain and intrastrain relations between social dominance and catecholamine levels. 相似文献
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L I Serova O N Kozlova E V Naumenko 《Zhurnal vysshe? nervno? deiatelnosti imeni I P Pavlova》1991,41(1):79-84
Influence of genotype and such individual characteristics as locomotor and exploratory activity, aggressiveness and emotionality, was studied in male mice. Males F1 and males of the parent line PT had high level of social dominance. F1 had high level of aggressiveness, and low emotionality, medium level of locomotor and exploratory activity. Significance of these individual behavioural characteristics for dominant behaviour is discussed. 相似文献
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For the study of genetic and physiological mechanisms of inherited stress-sensitive arterial hypertension, specific binding of ligands of alpha 1-, alpha 2- and beta-adrenoceptors was measured in 2 strains of rats: Wistar normotensive and ISSAH rats (rats with inherited stress-sensitive arterial hypertension). The maximal binding sites (Bmax) and apparent dissociation constants (Kd) were studied with the alpha 1-adrenergic antagonist 3H-prazosin, alpha 2-adrenergic agonist 3H-clonidine and 3H-dihydroalprenolol, a beta 1-receptor antagonist. Four brain regions were investigated: frontal cortex, hypothalamus, pons and medulla oblongata. In comparison with normotensive controls, hypertensive rats had significantly greater density of the alpha 1-adrenoceptors in the medulla oblongata. However, the number of hypothalamic alpha 1-adrenoceptors was significantly reduced in these animals. The same significantly lower alpha 2-adrenoreceptor density was found in the hypothalamus and the pons, and lower, beta-adrenoceptors density in the medulla oblongata. It was concluded that brain adrenoceptors are involved in the mechanisms of development of inherited stress-sensitive hypertensive syndrome. 相似文献
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N. A. Sinyakova E. M. Kondaurova A. V. Kulikov V. S. Naumenko M. A. Tikhonova N. K. Popova 《Molecular Biology》2013,47(3):411-418
The glycoprotein gp130 mediates intracellular transduction of signal from receptors of cytokines belonging to the interleukin-6 group. The linkage of the Il6st gene encoding the gp130 protein to heritable predisposition to hypertrophic freezing reaction (catalepsy) has been demonstrated previously in mice. The aim of the present work was to investigate the levels of Il6st mRNA, as well as the distribution of the gp130 protein and the degree of its glycosylation, in five brain regions of mice of the non-cataleptic AKR/J line and the cataleptic lines CBA/LacJ and congenic line AKR.CBA-D13Mit76, which carries the CBA variant of the Il6st gene in the AKR/J genome. These parameters were also studied in mice of the ASC line obtained by backcrossing CBA and AKR mice with the simultaneous selection for the high predisposition to catalepsy. Maximum levels of unglycosylated and glycosylated forms of the gp130 protein were detected in the midbrains of mice from all investigated lines. The highest levels of Il6st mRNA were found in the midbrain, striatum, and hypothalamus of mice of all lines. The level of Il6st mRNA in the striatum of AKR.CBA-D13Mit76 mice was higher than in the striatum of AKR/J mice. Therefore, one can assume that there is a connection between heritable catalepsy and the increased expression of the Il6st gene in the striatum. 相似文献
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Naumenko O. I. Senchenkova S. N. Knirel Yu. A. 《Russian Journal of Bioorganic Chemistry》2019,45(6):451-462
Russian Journal of Bioorganic Chemistry - The data on the structure of O-specific polysaccharides (O-antigens) of all nine known molecular types (potential O-serotypes) of a new type of... 相似文献