Comparison of Liquefaction Potential of Loess in China, USA, and Russia

Loess is extensively distributed in many parts of the world, including China, the United State and Russia. Based on experimental study of loess obtained from the three countries, the liquefaction potential of loess are investigated. It is found though loess in the three country all have liquefaction potential, their peak ground acceleration of triggering liquefaction and their behavior during liquefaction vary significantly. Further study of microstructure of loess reveals that the microstructure of the loess in the three countries differs each other in many ways. This factor, combined with the different of gradation, physical index and formation materials, accounts for the different liquefaction behavior of loess in the three countries. Under no circumstance, however, should the liquefaction problem of loess be ignored for its dangerous effects caused by great amount of residual strain during liquefaction

Polymorphism of genes-candidates and ehokardiographic indicators at pregnant women in norm and at preeklampsia

Research about interrelation of some ehokardiographic indicators of heart with polymorphic markers of genes angiotensinogen (-6A/G AGT) and chimasa (-1903 G/A СМА) at pregnant women is conducted at preeklampsia. Polymorphism associations -1903 G/A СМА and -6A/G AGT with increase final diastolic left ventricular at pregnant women are found the size at preeklampsia

Methodological issues of optimization the sanitary-educational assistance for children with asthma during the health care reform of Ukraine

Entry. Asthma remains the medical, social, economic issue of the day of modern society and industry of health protection. Research works on questions asthma are sanctified to mainly the improvement of diagnostics and treatment of asthma and a sanitary-educational help is underestimated. In the modern terms of structural alteration of network of establishments of health care in Ukraine a sanitary-educational help must be an effective complex in strategy of therapy of patients with asthma. Research aim. To ground importance, modern forms and methods of sanitary -educational help in providing of control above asthma on the stage of structural reorganization of establishments of health care in Ukraine. Materials and research methods. Scientifically-methodical literature was analyzed on general questions of organization and realization of sanitary-educational work in asthma. Long-term of own experience of realization of this work is generalized in the conditions of stationary treatment of patients with asthma. Research results. Sanitary-educational work in a form of education in the program "Asthma school". General practitioner, as a key figure of establishments of primary medical and sanitary help, must own the psychological methods including medical-psychology programs of before- and after graduation medical education. Conclusions. In providing of effective control above bronchial asthma in children a sanitary-educational help must be logical continuation and addition of curative help. Application of the educational programs and volume of work of doctors at their implementation must be legislatively lighted up in "Protocols of diagnostics and treatment of bronchial asthma for children"

Output Power Control and Wavelength Monitoring in Widely Tunable Sampled-Grating DBR Lasers Using Integrated Semiconductor Optical Amplifiers

We report on experimental results obtained for the modal power control and wavelength monitoring in widely tunable (40nm) Sampled-Grating DBR (SGDR) lasers using bias current of monolithically integrated Semiconductor Optical Amplifier (SOA)

Integrated semiconductor optical amplifiers for wavelength monitoring and power control in tunable sampled-grating DBR lasers

We report on experimental results obtained for the modal power control and wavelength monitoring in widely tunable (40nm) Sampled-Grating DBR (SGDR) lasers using bias current of monolithically integrated Semiconductor Optical Amplifier (SOA)

Direct intensity modulation in sampled-grating DBR lasers

In this letter, we present new experimental results obtained for direct intensity modulation of widely tunable sampled-grating distributed Bragg-reflector (SGDBR) lasers. These results are of significance of SGDBR applications in wavelength-division-multiplexing systems. The devices described operate in the C-band (wavelength range 1525-1565 nm). A 6-GHz small-signal modulation bandwidth and > 10-db signal extinction ratio under large-signal operation was obtained. We have also recorded an undistorted eye pattern for a nonreturn-to-zero random signal 2 -1 word length at 2.5-Gb/s bit rate during transmission over 75-km standard single-mode fiber

The insertion-deletion polymorphism of the ACE gene is associated with increased blood pressure in women at the end of pregnancy

yesThe present study was designed to investigate whether the insertion-deletion (I/D) polymorphism of the ACE gene is associated with the level of arterial blood pressure in women before and during pregnancyBelgorod State National Research Universit