Economic analysis and optimization for bio-hydrogen production from oil palm waste via steam gasification

Biomass steam gasification with in-situ carbon dioxide capture using CaO exhibits good prospects for the production of hydrogen rich gas. In Malaysia, due to abundance of palm waste, it is a good candidate to be used as a feedstock for hydrogen production. The present work focuses on the mathematical modeling of detailed economic analysis and cost minimization of the flowsheet design for hydrogen production from palm waste using MATLAB. The influence of the operating parameters on the economics is performed. It is predicted that hydrogen cost decreasing by increasing both temperature and steam/biomass ratio. Meanwhile, the hydrogen cost increases when increasing sorbent/biomass ratio. Cost minimization solves to give optimum cost of 1.9105 USD/kg with hydrogen purity, hydrogen yield, hydrogen efficiency and thermodynamic efficiency are 79.9 mol%, 17.97 g/hr, 81.47% and 79.85% respectively. The results indicate that this system has the potential to offer low production cost for hydrogen production from palm waste

Introduction of emergency contraception in Bangladesh: Using operations research for policy decisions

The Directorate of Family Planning, Bangladesh, the Population Council, Pathfinder International, and John Snow Incorporated collaborated to conduct this operations research study to assess the acceptability and feasibility of providing emergency contraception pills (ECP) as a backup support to existing family planning methods. The study demonstrated that all categories of health providers, including NGO outreach workers, could be effectively trained to provide ECP services. The study also demonstrated high acceptability of ECP and revealed that if used correctly, the success rate in avoiding unwanted pregnancy was extremely high. The positive findings of the study have helped the Ministry of Health and Family Welfare, Government of Bangladesh, to approve introduction of ECP in the National Family Planning Program. The present study thus also serves as a good demonstration of how operations research can contribute in policy decisions and how research findings can be translated into action

Effects of mannan-oligosaccharides-supplemented diets on production performance of four close-bred flocks of Japanese quail breeders

The present study was conducted to find out the dietary effects of mannan-oligosaccharides (MOS) supplemented diets on the production performance of four close-bred flocks (CBFs) of Japanese quail (Coturnix coturnix japonica) breeders. A total of 960 twelve-week-old birds of four CBFs were randomly divided into four groups (n = 240) with 12 replicates (n = 20). Birds were fed a corn-based basal diet or the same diet supplemented with 0.25%, 0.50%, and 1.0% MOS for 15 weeks. The authors analysed the data by two-way ANOVA techniques using SAS (Statistical Analysis System). Birds fed MOS-supplemented diets had significantly higher body and egg weight, egg mass, and egg number than the control group. Similarly, the feed conversion ratio (FCR)/dozen eggs, FCR/kg egg mass, and mortality were significantly lower in MOS supplemented groups. However, no significant effect of MOS supplementation was recorded on feed intake and egg production of birds. None of the parameters differed significantly among CBFs. The results showed that feeding MOS as a replacement for antibiotic growth factor may positively influence the production performance and health of Japanese quail breeders.Keywords: Body weight, egg weight, egg mass, feed conversion ratio, mortalit

Effects of transplanting time on the yield and quality of onion (Allium cepa L.)

A field experiment was conducted at Spices Research Sub-Centre (SRSC), Bangladesh Agricultural Research Institute (BARI), Faridpur, Bangladesh during the winter season of 2018-2019 to investigate the influences of transplanting times of seedlings and the varieties on the yield and quality of onion bulbs. There were six levels of transplanting time such as T1: November 15, T2: November 30, T3: December 15, T4: December 30, T5: January 14 and T6: January 29 under the trial. The varieties used in the study were: BARI Onion-1 and BARI Onion-4. The experiment was laid out in a randomized complete block design (RCBD) of factorial concept with three replications. The results revealed that dates of transplanting, varieties and their combined effects had significant effect on the parameters studied with minor exception. The plant height, number of leaves/plant and incidence of bolting were decreased with the passage of transplanting time. The maximum values (54.51 cm, 8.53 and 71.28%) of the aforementioned traits were recorded at early transplanting on November 15, respectively. The reduced percent of bolting (2.22%) was observed at December 30. While no incidence of bolting was found under transplanting on 14-29 January. Bulb diameter, individual bulb weight, yield, total soluble solid content and dry matter content of bulb were increased up to transplanting on December 15. Afterwards the values of aforesaid parameters were gradually decreased. The highest yield (17.65 t/ha), total soluble solid content (17.02 0brix) and dry matter content of bulb (15.95%) were obtained from December 15 insignificantly followed by December 30 (16.30 t/ha). The delayed transplanting on 29 January markedly reduced the yield (6.72 t/ha), total soluble solid content (12.58 0brix) and dry matter content of bulb (11.61%) as well. The variety BARI Onion-4 performed better in respect of yield and yield attributes but it showed inferior quality. The combined effect of December 15 x BARI Onion-4 gave the highest yield attributes and yield of onion followed by the combination of November 30 x BARI Onion-4 and December 30 x BARI Onion-4 while the values among the three treatments were statistically similar

Introducing emergency contraception in Bangladesh: A feasibility study

Approximately 28,000 maternal deaths occur every year in Bangladesh due to pregnancy and delivery-related complications, while many more women suffer major physical and psychological injuries. Available statistics indicate an increase in menstrual regulation (MR) and abortions, most performed by untrained practitioners under unhygienic conditions. Introducing emergency contraception (EC) in the national family planning (FP) program in Bangladesh could substantially reduce unwanted pregnancies and as result MR/abortions should also decrease. Because MR/abortions in Bangladesh significantly contribute to high maternal morbidity/mortality, introducing EC could be an important reproductive health intervention to provide couples with a back-up support to prevent unwanted pregnancy. EC could also reduce the psychological worries and health risks associated with unwanted pregnancies, MR, and abortions. The Directorate of Family Planning in collaboration with the Population Council’s Frontiers in Reproductive Health Project, Pathfinder International, and John Snow Inc., is conducting this feasibility study to develop, test, and document operational details for introducing EC as a back-up support for existing FP methods. This report is an interim update of the study’s accomplishments so far

Training service providers on emergency contraception: Lessons learned from an OR study

The Bangladesh Directorate of Family Planning in collaboration with the Population Council, Pathfinder International, and John Snow, Inc. is conducting an operations research project to test the feasibility of introducing emergency contraceptive pills (ECP) in the national family planning (FP) program and to answer operational questions on implementing the use of ECP efficiently. In Bangladesh, 1.2 million births are unplanned and the number of menstrual regulation/abortions is increasing. ECP could be a good reproductive health intervention for women since it gives them a chance to avoid unwanted pregnancy. ECP does not induce abortion. In fact, it helps in reducing the number of abortions. In Bangladesh, emergency contraception is relatively new and there is general lack of knowledge even among doctors. Thus, training providers will be a critical element for the introduction of ECP. The present feasibility study, detailed in this research update, has been undertaken to answer operational questions that need to be addressed while introducing ECP in the national FP program. The study has been carried out in two districts, Tangail and Mymensingh

Introduction of emergency contraceptive pills in the public health system of Pakistan: A south-to-south collaboration

This report describes a south-to-south collaboration to assist the Ministry of Health of Pakistan to introduce emergency contraception (EC) into its family planning program, supported by the Population Council’s USAID-funded Frontiers in Reproductive Health (FRONTIERS) program. The collaboration consisted of a three-day visit by senior managers from the Pakistani health authorities to Bangladesh to familiarize them with the EC program in that country, followed by a two-day consultative meeting in Islamabad to draw up concrete plans for introduction of the method into the Pakistan system. Participants at the consultation developed plans to introduce EC into both community-based distribution and clinical programs. The plans included staff training; commodity logistics; and development of information, education, and communication materials, many of which will be adapted from materials used in other EC projects in the region supported by FRONTIERS. The activity successfully met its goals. Providing south-to-south technical assistance was demonstrated to be an effective strategy for introducing sensitive services and is recommended for other regions and similar services

Developing regional capacity in operations research and economic evaluation in South Asia

This project contributed significantly to the capacity-building of regional professionals in planning, implementing, and monitoring of reproductive health programs in South Asia. During 2001–05, professionals from 17 countries received training in various aspects of reproductive health in nine workshops, including operations research, economic evaluation, qualitative research methods, proposal writing, and process documentation and enhancing the utilization of research findings in reproductive health programs. Forty-three percent of workshop participants were program managers from government health programs and nongovernmental organizations. Success in leveraging resources from other collaborating agencies and other donors helped the project to organize more workshops than originally planned and train more professionals than expected. A survey of the workshop participants four to 38 months after training revealed that 70 percent of respondents were using their newly acquired skills in programmatic improvement, program development, and conducting operations research

Fragmentation of very high energy heavy ions

A stack of CR39 (C12H18O7)n nuclear track detectors with a Cu target was exposed to a 158 A GeV lead ion beam at the CERN-SPS, in order to study the fragmentation properties of lead nuclei. Measurements of the total, break-up and pick-up charge-changing cross sections of ultrarelativistic Pb ions on Cu and CR39 targets are presented and discussed.Comment: 4 pages, 3 EPS figures included with epsf, uses article.sty Talk presented by M. Giorgini at the Int. Conf. on Structure of the Nucleus at the Dawn of the Century, Bologna (Italy), May 29-June 3, 200