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Indonesian Youth Shoppers Typology
Halim,Rizal Edy,Iqbal,Egi Widya Nur 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
The number of malls which is increasingly growing in the city of Jakarta is often used as a place for socializing and self-actualization by youth shoppers. As an emerging age group, youth shoppers are also identified as a vital market segment. Firstly, this study divides youth shoppers into segments that are distinguished on the characteristics of high and low levels on self-esteem, extraversion, and interpersonal communication. Consequently, these characteristics form a distinct and unique segment group, which are Social Butterfly, Confident techies, and Self-Contained Shoppers. Secondly, this research examines the differences between the three groups segments on shopping motives, store attributes and shopping enjoyment. There is a significant difference between segment groups typology consumer of youth shoppers on several dimensions that exist in the variable of shopping motives, store attribute, and shopping enjoyment. Social Butterfly is a segment that has the highest mean on several dimensions in the variable of shopping motives, store attribute, and shopping enjoyment. It is followed by Confident Techies segment and Self-Contained Shoppers segment respectively.
Binarwan Halim,Hilma Putri Lubis 대한산부인과학회 2022 Obstetrics & Gynecology Science Vol.65 No.2
ObjectiveThe objective of this study was to evaluate the effectiveness of dual trigger, which is a combination of gonadotropinreleasingagonist (GnRH-a) and recombinant human chorionic gonadotropin (hCG) in the final oocyte maturation, inthe outcome of intrauterine insemination (IUI). MethodsThis retrospective observational study was conducted from January 2016 to October 2018 and involved 639 IUI cyclesat the Halim Fertility Center, Indonesia. Controlled ovarian stimulation was performed during IUI cycles. The ovulationtriggers were divided into two groups: group I received a combination of GnRH-a and recombinant hCG as a dualtrigger, and group II received only recombinant hCG as a single trigger. The baseline characteristics, cycle parameters,and IUI outcomes of both groups were compared. ResultsOur study included a total of 639 IUI cycles, 334 were in the dual trigger group and 305 in the single trigger group. The clinical pregnancy rates were significantly higher in the dual trigger group than in the single trigger group(P<0.001). Based on the multivariate analysis, the dual trigger increased the clinical pregnancy rate by 2.524 timesthan that by the single trigger. ConclusionOur data showed that the dual trigger combination of GnRH-a and recombinant hCG significantly improves theoutcome of intrauterine insemination.
Isoflavonoids and Alkaloids from Spartidium saharae
Osama B. Abdel Halim,Hosny A. Abdel Fattah,Fathi T. Halaweish,Ahmed F. Halim 한국생약학회 2000 Natural Product Sciences Vol.6 No.4
A new isoflavone, (+)-4`-O-methyl-8-C-β-D-glucopyranosylgenistein, was isolated from the aerial parts of Spartidium saharae together with the known isoflavone, (+)-8-C-β-D-glucopyranosylgenistein as well as dipiperidine alkaloids, (+)-ammodendrine and (+)-N-acetyl hystrine. Details of their structure elucidation are based on chemical and spectroscopic methods. N-formyl ammodendrine was detected by GC-MS. The potential chemotaxonomic value of the alkaloid content is explored. Cytotoxic activity has been determined for both alcoholic extract and isolated compounds.
Halim, Noor Hanis Abu,Chong, Eric Tzyy Jiann,Goh, Lucky Poh Wah,Chuah, Jitt Aun,See, Edwin Un Hean,Chua, Kek Heng,Lee, Ping-Chin Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.4
Background: The XRCC1 protein facilitates various DNA repair pathways; single-nucleotide polymorphisms (SNPs) in this gene are associated with a risk of gastrointestinal cancer (GIC) with inconsistent results, but no data have been previously reported for the Sabah, North Borneo, population. We accordingly investigated the XRCC1 Arg194Trp and Arg399Gln SNPs in terms of GIC risk in Sabah. Materials and Methods: We performed genotyping for both SNPs for 250 GIC patients and 572 healthy volunteers using a polymerase chain reaction-restriction fragment length polymorphism approach. We validated heterozygosity and homozygosity for both SNPs using direct sequencing. Results: The presence of a variant 194Trp allele in the Arg194Trp SNP was significantly associated with a higher risk of GIC, especially with gastric and colorectal cancers. We additionally found that the variant 399Gln allele in Arg399Gln SNP was associated with a greater risk of developing gastric cancer. Our combined analysis revealed that inheritance of variant alleles in both SNPs increased the GIC risk in Sabah population. Based on our etiological analysis, we found that subjects ${\geq}50years$ and males who carrying the variant 194Trp allele, and Bajau subjects carrying the 399Gln allele had a significantly increased risk of GIC. Conclusions: Our findings suggest that inheritance of variant alleles in XRCC1 Arg194Trp and Arg399Gln SNPs may act as biomarkers for the early detection of GIC, especially for gastric and colorectal cancers in the Sabah population.
A Finite Grid Solution for Circular Plates on Elastic Foundations
Halim Kara,Polat Gülkan,Gultekin Aktas 대한토목학회 2015 KSCE JOURNAL OF CIVIL ENGINEERING Vol.19 No.4
The transmission of vertical or horizontal structural forces to the supporting soil is a challenge to analyze for structures on elastic foundation which represent a complex medium. The two-parameter elastic foundation model that provides a mechanical interaction between the individual spring elements shows a more realistic behavior of the soil reaction than does the single parameter Winkler model. Since the structural behavior of a beam resembles that of a strip in a plate, in this study, the exact stiffness and mass matrices of the beam element on two-parameter elastic foundation is extended to plates. The framework method that replaces a continuous surface by an idealized discrete system can represent a two-dimensional plate. In the light of this situation, circular plates are modeled as an assemblage of individual beam elements interconnected at their neighboring joints in radial and tangential direction. So, a useful tool called finite grid solution as a numerical method developed in this study lead to solve circular plates resting on two parameter elastic foundation problems. Examples for bending of ring, circular and annual plates on elastic foundation are solved to compare with known analytical solutions and other numerical solutions. The comparisons show that the literature and the computed results are compatible.
Development of Confidence Bound Visualization Tool for LTE-Based UAV Surveillance in Urban Areas
Halim Lee,Taewon Kang,Jiwon Seo 제어로봇시스템학회 2019 제어로봇시스템학회 국제학술대회 논문집 Vol.2019 No.10
We have developed a tool to visualize a situation of estimating the positions of unmanned aerial vehicles (UAVs) using long-term evolution (LTE) signals in an urban area. In our visualization tool, true positions of UAVs and evolved Node Bs (eNodeBs), estimated positions of UAVs, and the calculated horizontal and vertical protection levels (HPLs and VPLs) are displayed in a 3D city map. For a realistic simulation, the 3D city map is generated using real buildings and terrain data of Gangnam, Seoul, Korea. Users can directly specify the locations of UAVs and eNodeBs to simulate these cases. Error variances are added to the true range between UAVs and eNodeBs in the developed tool. Next, the position and the HPL and VPL of each UAV are calculated and displayed on the map. Using the developed visualization tool, we observed changes in the estimated positions and confidence bounds of UAVs by adjusting the number of eNodeBs transmitting LTE signals. Simulation results show that the size of confidence bounds decreases as the number of eNodeBs increases.
Policy analysis frameworks: A phenomenological study of education policy researchers’ practices
Halime Ozturk-Calikoglu,Osman Cekic 한국교육개발원 2021 KEDI Journal of Educational Policy Vol.18 No.1
Aiming to broaden the discourse on methodology in education policy analysis, this phenomenological study explores the real-life experiences of policy researchers and the methodology they follow in their studies. Eleven senior policy researchers holding both liberal and critical political views of education were interviewed about their approaches beginning from defining a policy issue to reporting their findings. The results revealed marked differences in policy researchers’ attitudes and experiences. While policy scholars with a liberal outlook were found to be driven mainly by data to determine how policies work, researchers following a critical approach were more likely to base their studies on theory and to focus on meaning and questions regarding how and why. This paper also presents a framework to map out a pattern comprising key concepts and questions based on policy researchers’ approaches to policy analysis.
Halim, Wahidah Abd.,Rahim, Nasrudin Abd.,Azri, Maaspaliza The Korean Institute of Power Electronics 2014 JOURNAL OF POWER ELECTRONICS Vol.14 No.3
This paper presents an implementation of selective harmonic elimination (SHE) modulation for a single-phase 13-level transistor-clamped H-bridge (TCHB) based cascaded multilevel inverter. To determine the optimum switching angle of the SHE equations, the Newton-Raphson method is used in solving the transcendental equation describing the fundamental and harmonic components. The proposed SHE scheme used the relationship between the angles and a sinusoidal reference waveform based on voltage-angle equal criteria. The proposed SHE scheme is evaluated through simulation and experimental results. The digital modulator based-SHE scheme using a field-programmable gate array (FPGA) is described and has been implemented on an Altera DE2 board. The proposed SHE is efficient in eliminating the $3^{rd}$, $5^{th}$, $7^{th}$, $9^{th}$ and $11^{th}$ order harmonics, which validates the analytical results. From the results, it can be seen that the adopted 13-level inverter produces a higher quality with a better harmonic profile and sinusoidal shape of the stepped output waveform.