منتظر طالب عويز ال علي

This study has been performed to assess the impact of climate on skin diseases and laser treatment for these situations. This was a cross-sectional observational study in 120 patients with various dermatological disorders, such as infectious, inflammatory, pigmentary and photo-induced diseases. Another set of data during this time was clinical data collected in parallel to environmental parameters (temperature, humidity, ultraviolet UV radiation, and air pollution). According to test data inflammatory skin disease were found in mice (20%), infectious diseases, approximately 35%, pigmentary disorder and photo-induced conditions were found at about 10%. The strongest correlations were between climatic factors and disease patterns, however. Infectious diseases were raised by high temperature and humidity, while cold and dry conditions were associated with exacerbation of inflammatory skin disorders. UV (ultraviolet) rays were largely responsible for pigmentation disorders, and air pollution was found to lead to acne and allergic responses. A subgroup of patients underwent laser therapy, which displayed very strong efficacy especially for pigmentation disorders (70-85% improvement) and acne scars (60-75% improvement), albeit with limited side effects. The results showed significant correlation between climatic factors and distribution of skin diseases at p < 0.05, climate affects dermatological health further laser therapy has many disease effective and safe.

Chemical bath deposition method was employed for the deposition of smooth quantum size Ag2O nanostructure thin film on glass substrate at three different chemical interaction times. The structural properties shows the demonstration of Ag2O cubic structure at (002) diffraction plane. Optical properties reflect the dependence of energy gab on the interaction time with moderate band gab energy of about 2.25eV.Other physical properties such as SEM, AFM, was also investigated.

In this work, effect of chemical interaction temperatures on the structural and surface RMS value has been investigated and analyzed using chemical bath deposition method. Different temperature (25, 50, 75, and 100 ◦C) was used during the chemical interaction using specific raw material. The x-ray diffraction results insure the formation of cubic silver oxide nanocrystal with an average RMS value below 10nm.

The chemical bath deposition method was employed to prepare Ag 2 O films at specific preparation conditions. Silicon substrate with different conductivity was used to study their effect on the electrical and photovoltaic properties of the prepared devices. The current-voltage properties reveal that the ideality factor was (2.4 and 3.36) for psi and n-si substrate respectively. The obtained device efficiency is 0.35 while maximum detectivity was 0.3 cm. Hz 1/2 W-1.

This work presents, the effect of the TEA concentration on the structural, optical and surface roughness of Ag2O films prepared using the chemical bath deposition method. The structural properties ensure the formation of simple cubic crystal structure. The estimated energy gab value finds to range between (1.62-1.9eV) with TEA concentration. Surface roughness has it minimum value of (0.714nm) at specific TEA value of about (2.5ml)

التصوير عالي الدقة (ب) يلتقط موجات الكثافة المستحثة بالتجويف في غاز كمي