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      • Female Breast Cancer Incidence and Mortality in Morocco: Comparison with Other Countries

        Khalis, Mohamed,El Rhazi, Karima,Charaka, Hafida,Chajes, Veronique,Rinaldi, Sabina,Nejjari, Chakib,Romieu, Isabelle,Charbotel, Barbara Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.12

        Background: Breast cancer is the most frequently diagnosed malignancy and the leading cause of cancer death among women worldwide. In Morocco, there have been few recent descriptive studies on female breast cancer. The aim of this study was to describe the latest available incidence and mortality rates of breast cancer among Moroccan women and to compare them with rates in other regional and Western countries. Methods: For this descriptive study, Moroccan incidence data were obtained from the most recent reports of the cancer registries of Casablanca and Rabat. Information on breast cancer incidence for different countries were obtained primarily from publicly available cancer registries and Cancer Incidence in Five Continents, Volume X. Mortality data were extracted from the GLOBOCAN 2012 published by the International Agency for Research on Cancer. Results: The age-standardized incidence (World) rate of breast cancer in Moroccan women increased from 35.0 to 39.0 per 100,000 women between 2004 and 2008, showing an annual increase of 2.85 %. The highest incidence rates were registered in the age groups of 45-49, 50-54 and 55-59 years (106.1, 108.2 and 108.5 respectively). Sixty-nine percent of female breast cancer cases were diagnosed at stages II and III. In 2012, the estimated number of women who died of breast cancer in Morocco was 2,878. The crude, age-standardized (World) mortality rates were 17.3 and 18.0 per 100,000, respectively. Conclusion: Although the incidence of female breast cancer in Morocco is lower than in Western countries, evidence shows that the rate is rising. This increase of breast cancer incidence has been observed in parallel with changes in reproductive behavior and adoption of a Western lifestyle. Prevention policies need to be implemented.

      • KCI등재

        Classification of Degraded Peat Swamp Forest for Restoration Planning at Landscape Level Using Remote Sensing Technique

        Khali Aziz Hamzah,Azahan Shah Idris,Ismail Parlan 강원대학교 산림과학연구소 2013 Journal of Forest Science Vol.29 No.1

        Malaysia possesses about 1.56 million ha of Peat Swamp Forest (PSF). The PSF safeguard enormous biological diversity, while providing crucial benefits for the sustainable development of human communities. Numbers of threatened plant species are associated with the PSF, including the commercially important Gonystylus bancanus timber. To prevent significant losses of biodiversity, it is important to manage the PSF for both biological conservation and sustainable use. Equally important is to restore all degraded PSF in an attempt to ensure the PSF ecosystem is suitable for the vegetation to grow and rehabilitate back to the normal condition. Prior to plan any forest restoration program, there is a need to properly map the degraded PSF in order to estimate the forest conditions and determine the vegetations status. Most of the time this need to be done at a landscape level and requires a technology that can provide accurate, timely and reliable information for the planner to make decision. This paper describes a study using geospatial technology in combination with ground survey to classify the degraded PSF in South East Pahang Peat Swamp Forest (SEPPSF), Malaysia, into different degree of vegetation classes. With map accuracy of about 83%, the technique proved to be useful in delineating the different degree of PSF degradation from which the information can be used to properly plan forest restoration program in the area. The final output which is in the form of map can be used in developing a Restoration Master Plan for the degraded PSF areas.

      • KCI등재

        Modeling and Experimental Verification of the Currents Diffusion and Recombination: Application to Mono and Polycrystalline Silicon

        M. Khalis,R. Masrour 한국전기전자재료학회 2019 Transactions on Electrical and Electronic Material Vol.20 No.5

        We present a systematic procedure to obtain the main parameters that characterize a solar cell under conditions under illumination such as: resistors series and shunt short-circuit current, fi ll factor, saturation current, saturation current diff usion and recombination, using the least square method. We have clearly demonstrated that the current approximation to use a single exponential term with a factor of n diode to describe the behavior of the p–n junction appropriate but unable to diff erentiate between the diff usion saturation currents and recombination even using too sophisticated multimeters, and measures aretaken with care. To achieve this goal the experimental measurements of the characteristic I – V , we have used the two types of silicon solar cells: mono and polycrystalline, varying light concentration. The potential applications of both single and poly-crystals are governed by the electrical properties, such as the mobility and lifetime of the carriers, which are greatly infl uenced by the defects contained in the material. The results obtained show clearly that the structural defects of the grain boundaries associated with the segregated atoms promote the recombination of minority carriers. We employ also the intensity–voltage measurement to solar cells mono and polycrystalline under illumination to understand the recombination and diff usion currents behavior at the p–n junction.

      • KCI등재

        Classification of Degraded Peat Swamp Forest for Restoration Planning at Landscape Level Using Remote Sensing Technique

        Hamzah, Khali Aziz,Idris, Azahan Shah,Parlan, Ismail Institute of Forest Science 2013 Journal of Forest Science Vol.29 No.1

        Malaysia possesses about 1.56 million ha of Peat Swamp Forest (PSF). The PSF safeguard enormous biological diversity, while providing crucial benefits for the sustainable development of human communities. Numbers of threatened plant species are associated with the PSF, including the commercially important Gonystylus bancanus timber. To prevent significant losses of biodiversity, it is important to manage the PSF for both biological conservation and sustainable use. Equally important is to restore all degraded PSF in an attempt to ensure the PSF ecosystem is suitable for the vegetation to grow and rehabilitate back to the normal condition. Prior to plan any forest restoration program, there is a need to properly map the degraded PSF in order to estimate the forest conditions and determine the vegetations status. Most of the time this need to be done at a landscape level and requires a technology that can provide accurate, timely and reliable information for the planner to make decision. This paper describes a study using geospatial technology in combination with ground survey to classify the degraded PSF in South East Pahang Peat Swamp Forest (SEPPSF), Malaysia, into different degree of vegetation classes. With map accuracy of about 83%, the technique proved to be useful in delineating the different degree of PSF degradation from which the information can be used to properly plan forest restoration program in the area. The final output which is in the form of map can be used in developing a Restoration Master Plan for the degraded PSF areas.

      • KCI등재

        Assessment of Staffing Needs for Construction Inspection

        김대영,Khali R. Persad,Nabeel A. Khwaja,지석호 대한토목학회 2016 KSCE JOURNAL OF CIVIL ENGINEERING Vol.20 No.7

        In recent years, the Texas Department of Transportation (TxDOT) has been facing a shortage of Construction Engineering (CE) staff due to workforce challenges such as staff turnover, retirement of experienced staff, and hiring freezes. The primary purpose of this study is to investigate CE staff needs for TxDOT construction projects. To accomplish this, projects constructed during the 10- year period of 2001-2011 were analyzed. The results indicated that large and metro projects tend to require more CE staff hours compared to smaller and/or rural projects. In particular, capacity-adding projects such as interchanges and widening projects require up to 4.45 times the CE hours needed for pavement projects. This study’s findings provide a basis for estimating TxDOT’s CE staffing, and ultimately contribute to efficiency improvements by providing an appropriate level of CE staff based on project type, size, and location.

      • Organization and Evaluation of Performance Indicators of a Breast Cancer Screening Program in Meknes-Tafilalt Region, Morocco

        Charaka, Hafida,Khalis, Mohamed,Elfakir, Samira,Khazraji, Youssef Chami,Zidouh, Ahmed,Abousselham, Loubna,El Rhazi, Karima,Lyoussi, Badiaa,Nejjari, Chakib Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.12

        Objective: The benefits of screening and early detection of breast cancer, including reduced morbidity and mortality, have been well-reported in the literature. In 2011, a breast cancer screening program was launched in Meknes-Tafilalt region of Morocco. The aim of this study was to evaluate the early performance indicators of this program. Materials and Methods: This retrospective evaluative study was conducted between April 2012 and December 2014, in Meknes-Tafilalt region of Morocco. Several performance indicators of the breast cancer screening program were calculated: the compliance rate, the positivity rate, the referral rate, the cancer detection rate and the organizational indicators. Results: During 2012-2014, a total of 184,951 women participated in the breast cancer screening program. The compliance rate was 26%, the positive rate was 3.3%, the referral rate was 36.7%, and the cancer detection rate was 1.2 per 1,000 women. The median time between the date of clinical breast examination and the date of biopsy (or cyto-puncture) was 36 days. The median time between the date of positive mammography and the date of biopsy (or cyto-puncture) was 6 days. The median time between the date of clinical breast examination and the date of the first received treatment was 61 days. Conclusions: The program needs better monitoring, as well as implementation of quality assurance tools to improve performance in our country.

      • SCIESCOPUSKCI등재

        CHANGES IN SOME PHYSIOLOGICAL PARAMETERS OF ALBINO RATS AT DIFFERENT AMBIENT TEMPERATURES

        Hassanin, S.H.,Khali, F.A.,Abd-Elaziz, A.M.S.,EL-Sobhy, H.E. Asian Australasian Association of Animal Productio 1994 Animal Bioscience Vol.7 No.4

        Five experimental groups with five adult male rats in each, were exposed to 20, 35, 40 and $45^{\circ}C$ air temperature for 50-70 minutes, and to $50^{\circ}C$ for 30-50 minutes, respectively. Food and drinking water were not permitted during the exposure. Blood samples were obtained by heart puncture immediately after the thermal treatment. All the rats were hyperthermic (p<0.01) as compared to the controls ($20^{\circ}C$). Hyperthermia was associated with hypoglycemia which was significant (p<0.01) at 45 and $50^{\circ}C$ exposures. Plasma levels of GOT and GPT declined at 35 and $40^{\circ}C$ reaching the lowest (p<0.05) level at $45^{\circ}C$, while at $50^{\circ}C$ GOT level was elevated by 45% but GPT was normal as compared to the controls. Differences between groups were significant (p<0.01) for GOT and insignificant for GPT. Hematocrit value increased significantly (p<0.01) at 45 and $50^{\circ}C$, indicating hemoconcentration. It could be concluded that severe heat stress (45 and $50^{\circ}C$) resulted in critical hyperthermia, hypoglycemia, disturbed liver function, body dehydration, and hemoconcentration leading to death.

      • KCI등재

        Integration of AutoCAD and Microsoft Excel for Forest Survey Application

        Mohd Rizuwan Mamat,Khali Aziz Hamzah,Muhammad Farid Rashid,Mohd Azahari Faidi,Azharizan Mohd Norizan 강원대학교 산림과학연구소 2013 Journal of Forest Science Vol.29 No.4

        Forest Survey consists of road survey, topographic survey, tree mapping survey, stream survey and also ridge survey. Information from forest survey is important and become essential in preparing base map to be used for forest harvesting planning and control. With the current technologies technique of data processing and mapping from traditionally hand drawn method had shifted to a computer system particularly the use of Computer Aided Design (CAD). This gives great advantages to the forest managers and logging operators. However data processing and mapping duration could be further reduced by integrating CAD with other established software such as Microsoft Excel. This time study to show that there is significance difference in term of duration for data processing and efficiency using AutoCAD in combination with Microsoft Excel program as compare to the use of AutoCAD program alone. From the study, it shows that the integration of AutoCAD and Microsoft Excel is able to reduce 70% of duration for data processing and mapping as compared to the use of AutoCAD program alone.

      • KCI등재

        Integration of AutoCAD and Microsoft Excel for Forest Survey Application

        Mamat, Mohd Rizuwan,Hamzah, Khali Aziz,Rashid, Muhammad Farid,Faidi, Mohd Azahari,Norizan, Azharizan Mohd Institute of Forest Science 2013 Journal of Forest Science Vol.29 No.4

        Forest Survey consists of road survey, topographic survey, tree mapping survey, stream survey and also ridge survey. Information from forest survey is important and become essential in preparing base map to be used for forest harvesting planning and control. With the current technologies technique of data processing and mapping from traditionally hand drawn method had shifted to a computer system particularly the use of Computer Aided Design (CAD). This gives great advantages to the forest managers and logging operators. However data processing and mapping duration could be further reduced by integrating CAD with other established software such as Microsoft Excel. This time study to show that there is significance difference in term of duration for data processing and efficiency using AutoCAD in combination with Microsoft Excel program as compare to the use of AutoCAD program alone. From the study, it shows that the integration of AutoCAD and Microsoft Excel is able to reduce 70% of duration for data processing and mapping as compared to the use of AutoCAD program alone.

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