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2.
A. M. Vorob'ev V. I. Zhuk V. P. Sizov D. N. Chubarov 《Journal of Engineering Physics and Thermophysics》1993,65(6):1223-1229
An operator comparing the nonsteady output signals of a sensor to the characteristics of an external thermal perturbation is constructed.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 65, No. 6, pp. 718–724, December, 1993. 相似文献
3.
Altogether 124 patients were followed up for disseminated breast cancer (82) and hematosarcoma (42). The patients were divided into two groups: the main group was given 500 ml of 20% protein or low-lactose enteral feeding in addition to the hospital diet; the control group received only the hospital diet. Chemotherapy lasted 3 weeks. The patients on chemotherapy received enteral feeding every day throughout the entire treatment period. In the course of treatment, the patients were examined for blood characteristics, size of the tumor and affected lymph nodes, body weight, major metabolism, protein metabolism, vitamin metabolism, osmotic and peroxide resistance of red cells, and liver function. The research program covered more than 150 characteristics. The data obtained were processed by computer. It has been disclosed that inclusion of protein and low-lactose enteral feeding into the diet of cancer patients improves the alimentary status, decreases the leukopenia and thrombocytopenia incidence. It is advisable that specialized milk concentrates (enteral feeding) should be included into the diet of cancer patients as a necessary component of a complex of therapeutic measures used during chemotherapy. 相似文献
4.
A. S. Vorob'ev Z. A. Magomedov A. A. Onishchenko 《Power Technology and Engineering (formerly Hydrotechnical Construction)》1989,23(8):467-470
1. | Intense passage of the sediment deposits washed from the upstream stretches of the reservoir through the cut was observed. In the cut itself or in the immediate vicinity of its outlet, 13,000 m3 of sediments was deposited, the remainder was discharged by the through-flow into the downstream pool. |
2. | The cut made was not curvilinear in plan as was intended, and therefore its expected intensive erosion by the flow did not occur. The exception was the inlet stretch of the cut, where its erosion and widening by about 10 m occurred. |
3. | An increase of the cross-sectional area of the reservoir due to the cut leads to some decrease of the level of the flushing flow in the main channel and increases its slope on the upstream stretch of the reservoir, increasing the flow velocity and effectiveness of erosion of the sediments. Furthermore, the directions of the flow velocities partially changed in the region of the cut, which intensified the effect of erosion of the sediments. |
4. | Gradual erosion of the island of sediment deposits cut off by the cut from the left-bank mass of sediments was observed during flushing and subsequent operation of the reservoir. |
5. | It is better to use diesel dredges for making cuts, which, with their self-contained power supply makes it possible to operate on any stretch of the reservoir at a sufficient distance from the bank. |
6. | The cost effectiveness of combined removal of sediments can be estimated by comparing the cost of conducting it with the cost of removing sediments by hydraulicking as the cheapest of the presently known methods. For conditions of the Chiryurt reservoir the effectiveness was 0.9 ruble/m3 of sediments being removed for the particular flushing under consideration. |
5.
Yu. K. Zaretskii V. N. Vorob'ev 《Power Technology and Engineering (formerly Hydrotechnical Construction)》1991,25(1):30-36
1. | The predicted character of development of landslide movements permits saying that the slope is in a state of long-term creep and is extremely sensitive in the initial operating period to the character of technogenic effects. |
2. | Long-term stability of the slope is provided only in the case of implementing the complete system of landslide-control measures. |
3. | For monitoring the dynamics of the landslide process, it is necessary to continue instrumental observations during the entire operating period. |
6.
KS Makarova IuI Vul'f IA Seledtsov VA Ratner 《Canadian Metallurgical Quarterly》1995,31(12):1614-1629
Transposons of gypsy group are assigned to LTR-containing retrotransposons present in the genomes of invertebrates, fungi, and plants. In this work, a theoretical analysis of the potential products of ORFs of these retrotranposons was conducted. Alignments were obtained and trees of similarity were constructed for domains of the POL region. On the basis of the obtained data, two hypothetically monophyletic subgroups of transposons were distinguished within the framework of the gypsy group, settling the genomes of taxonomically related organisms (the subgroup of "true" gypsy of insects and the subgroup of gypsy-like transposons of plants and fungi). A number of peculiarities of the topology of these trees hypothetically indicate cases of genetic conversion and recombination of domains accompanying the evolution of this group. The amino acid substitution fixation rate was evaluated on the basis of comparison of sequences of the protein products of ORFs. Estimates of the time of divergence of subgroups of gypsy-group transposons are significantly less than estimates of the times of divergence of their host species. One explanation for this discrepancy might be the hypothesis of settlement by transposons of the genomes of isolated host species. 相似文献
7.
1. | The long-term strength of polygonized aluminum at 100°C depends on the subgrain size and on the dislocation density within the subgrains, while that of the recrystallized metal depends on the grain size: The long-term strength of aluminum increases (at least for lives up to 1000h) with reduction in the grain or subgrain size and with increase in the density of internal dislocations. |
2. | The rate of loss of strength (the tangent of the angle of slope of the long-term strength curves) decreases with increase in the grain or subgrain size of aluminum; this leads to the convergence of the long-term strength curves of metal with different subgrains (or grains) at long lives. |
3. | An analogy has been found between the behavior of polygonized and recrystallized in long-term strength tests at relatively short times to failure and that in short-term tensile tests. |
8.
At present, there are no system solutions for preventing extensive oxidation of the dispersed metal in electric arc metallizing (EM). To solve the problem of reducing the negative effect of oxidation, investigations were carried out at the GOSNITI GNU Institute into the application of the metal–carbothermal processes. 相似文献
9.
The experimental data on the normally hemispherical reflectivity of zirconium oxide ceramics are obtained for the wavelength of 0.63 m in the course of the first cycle of heating by concentrated laser radiation up to temperatures above the melting point and free cooling in ambient air. The obtained data are compared with analogous results of the second and subsequent cycles of heating and cooling. Analysis is made of the effect of the temperature field in the heated layer on the reflectivity and on the effective temperature measured by a pyrometer. 相似文献
10.