Job Search Activity of Unemployed Married Men and Women in Canada

Yaping Zhou(Yaping Zhou),Yixuan Wang(Yixuan Wang) 한국캐나다학회 2011 Asia-Pacific Journal of Canadian Studies (APJCS) Vol.17 No.1

Cyclical bust and boom and the resulting economic restructuring result in some workers being forced out of work. Based on the controversy over the presence or absence of gender differences in coping responses to unemployment that differ in unequal expectations of sex roles and sexual division of labor among the unemployed married individuals, this paper, using the 2008 Labor Force Survey conducted by Statistics Canada, explores whether there are gender-based differences in job seeking, one of the most important strategies for coping responses to unemployment. The finding shows that women value their employment as much as men and make similar efforts to re-enter the labor market when unemployed.

Assessment of the Trueness and Inter-Laboratory Precision of Routine Uric Acid Assays Using 4 Frozen Pooled Serum Samples Measured by the Japan Society of Clinical Chemistry’s HPLC Method

Yaping Jiang,Ou Liu,GuoBing Xu 대한진단검사의학회 2014 Annals of Laboratory Medicine Vol.34 No.2

Background: Reference procedures are required for evaluating the accuracy of routine analytical systems for uric acid (UA). External quality assessment (EQA) for UA has only been conducted with quality controls in China, and the results have not been published. This study was designed to investigate both the trueness and inter-laboratory precision of UA measurements among routine analytical systems using a candidate reference method. Methods: We performed the HPLC method recommended by the Japan Society of Clinical Chemistry (JSCC). Next, we evaluated its analytical performance and validated its true- ness. The performance of 4 routine analytical systems (5 instruments per system, n=20) for UA was assessed by using 4 frozen pooled serum samples measured by the HPLC method according to biologically relevant quality goals. Results: Within-run, between-run, inter-day, and total CV of the method were less than 0.3%, 0.4%, 1.8%, and 2.6%, respectively. The UA measurements were consistent with the target values of standard reference material (SRM) 909b, the sixth ring trial for Refer- ence Laboratories (RELA-2008) specimen, and national primary reference materials. The 4 frozen pooled serum samples were homogeneous, stable, and commutable. All routine systems achieved the desirable performance goal (total error <11.9%). Conclusions: We successfully reproduced the JSCC’s HPLC method, which was simple, specific, precise, and accurate. We recommend this method as a reference method for UA measurement in human serum. Four routine analytical systems for UA measurement had acceptable traceability, and their UA results showed good concordance.

Physicochemical Qualities and Flavor Patterns of Traditional Chinese Vinegars Manufactured by Different Fermentation Methods and Aging Periods

Yaping Gao,Yunhee Jo,Namhyeok Chung,Song-Yi Gu,Yong-Jin Jeong,Joong-Ho Kwon 한국식품영양과학회 2017 Preventive Nutrition and Food Science Vol.22 No.1

Physicochemical properties of Fujian Yongchun aged vinegar (FYAV) and Shanxi mature vinegar (SMV) were compared in terms of the fermentation methods applied and aging periods (3, 5, 8, and 10 years), and combined E-nose/E-tongue analyses were performed to assess their flavors. Compared with submerged fermentation-derived FYAV, solid-state fermentation-derived SMV showed higher values of pH, brix, soluble solids, total phenolic content, and antioxidant activity, but not total acidity or total organic acids. Aging period resulted in an increase in pH, total phenolic content, and antioxidant activity. Principal component analysis based on E-tongue/E-nose analyses was performed to distinguish between the vinegars produced by different fermentation methods and under aging periods. Solid-state fermentation and an aging process were considered good techniques for vinegar brewing, considering the various organic acids and high levels of total phenolics and antioxidant activity.

Synthesis of 4-arms hydroxy-functionalized PMMA-b-PE through combining free radical polymerization with coordination polymerization

Yaping Sheng,Qigu Huang,Haibing Huang,Mengshan Yu,Xinli Zhang,Lu Cheng,Zhi Liu,Wei Liu,Jianjun Yi,Wantai Yang 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.2

The copolymerization of MMA with ethylene was promoted by metallocene complex in the presence ofinitiator tetra(2,3-epoxy propoxy)silane (Is), reducing agent Zn and cocatalyst MAO, combining freeradical polymerization with coordination polymerization via sequential monomer addition strategy inone-pot to produce 4-arms hydroxy-functionalized PMMA-b-PE. The effects of polymerizationconditions such as temperature, time, ethylene pressure and Al/Ti molar ratio on the polymerizationperformance were investigated. 4-Arms hydroxy-functionalized PMMA-b-PE was obtained by solventextraction and determined by GPC, MALLS, DSC, FT-IR, WAXD and 1H(13C) NMR. The DSC result indicatedthat the 4-arms hydroxy-functionalized PMMA-b-PE had one Tg at 87.0 ℃ and one Tm at 117.0 ℃ whichattributed to Tg of PMMA segment and Tm of PE segment, respectively. The microstructure of 4-armshydroxy-functionalized PMMA-b-PE was further confirmed by WAXD, FT-IR, and 13C NMR analysis. These results demonstrated that the obtained 4-arms block copolymer consisted of PMMA segment andcrystalline PE segment.

ULTRASONIC PREPARATION AND OPTICAL PROPERTIES OF HgWO4 NANOSHUTTLES

YAPING DING,RUNPING JIA,QINGSHENG WU 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2007 NANO Vol.2 No.1

A newly luminescent nanomaterial, monoclinic wolframite-type HgWO4 nanoshuttles (length: 200–300 nm; diameter: 100–150 nm) is prepared through ultrasonic method. For HgWO4 nanoshuttles, the fluorescent (FL) emitting peaks at 430 and 330 nm obviously blue shift compared with those of corresponding bulk crystals. Meanwhile, the latter almost disappear after ultrasonic irradiation procedure. A UV-visible blue-shifted (about 130 nm) absorption peak is observed at 280 nm and a new absorption peak is observed at 203 nm. FTIR results show all absorption peaks below 800 cm-1 shift to a longer wavenumber region, whereas those above 800 cm-1 remain invariable. All those unique optical performances might result from both quantum size effects and the involvement of the incompact d10 electrons. Moreover, the possible synthesis mechanism of HgWO4 nanoshuttles is also investigated.

Synthesis of Novel Poly(N,N-diethylacrylamide-co-acrylic acid) (P(DEA-co-AA)) Microgels as Carrier of Horseradish Peroxidase Immobilization for Pollution Treatment

Yaping Zhang,Jian Fang,Tonghuan Liu,Qiang Wang,Jihua Zhao,Weiguo Shen 한국고분자학회 2012 Macromolecular Research Vol.20 No.5

A series of temperature-sensitive N,N-diethylacrylamide-co-acrylic acid microgels were synthesized by modified surfactant-free emulsion polymerization method and characterized by Fourier transform infrared spectroscopy,turbidimetric method, scanning electron microscopy (SEM), and dynamic light scattering (DLS) measurements. The SEM images showed that the as-synthesized microgels were monodispersed as spherical particles and the average size increased from 200 to 800 nm with the mole fraction of acrylic acid (AA) increasing from 0 to 0.40. Turbidimetric analysis and DLS investigation indicated that the volume phase transition temperature and the swelling ratio of the microgels had an upward trend that was associated with the higher incorporation of AA. Furthermore,horseradish peroxidase (HRP) was successfully immobilized on the microgel with the greatest swelling ratio (the mole fraction of AA equal to 0.40) to obtain an enzyme-microgel complex for the treatment of wastewater polluted by phenolic compounds. The immobilized HRP achieved a high removal efficiency of >96% toward phenol and was more thermostable and more easily stored and reused compared with free HRP.

Liquid crystal display panel fabricated in dual mode

Yaping Wang,Aiping Mo,Qingfeng Jiang 한국정보디스플레이학회 2012 Journal of information display Vol.13 No.1

The current panels for liquid crystal display (LCD) TV sets are all characterized by pins placed on two sides. To manufacture one type of panel, a dedicated mask is needed, and the production line should be started once. Moreover, the whole panel needs to be removed if a dead pixel is found. If the panel, however, will first be fabricated with pins placed on four sides and then divided by a cross-cut into four equal-sized panels with pins placed on two sides, one set of masks can be used to manufacture two types of LCD panels, which was referred to by the authors as dual mode. In this paper, the concept of the dual mode and its differences from the conventional way of producing panels are introduced. Its advantages in boosting production efficiency, improving the product’s good rate, and lowering the production cost are also described based on case studies. Of particular importance is the fact that the dual mode is very suitable for the trial production of very-large-area LCD TV sets.

The Tourism Demand of Nonlinear Combination Forecasting based on Time Series Method and WNN

Yaping Wang 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.3

The combination forecasting model IOWGA-EMD-ARMA-WNN is proposed in this paper. The randomness, periodicity and tendency of the original data are showed by EMD decomposition in EMD-ARMA model. WNN combines the advantages of wavelet analysis and BP neural network and improves the learning efficiency and forecasting accuracy. The weight of combination model is decided by forecasting precision of EMD-ARMA model and WNN model based on IOWGA method. At last, the IOWGA-EMD-ARMA-WNN model is used to forecast monthly inboard tourism demand of China and the results show that the proposed combination model has better performance on forecasting accuracy compared with the other models.

A Novel Multi-Targets Cycle Control Coverage Preservation Protocol in Wireless Sensor Network

Yaping Li,Yali Yun 보안공학연구지원센터 2016 International Journal of Future Generation Communi Vol.9 No.6

Does incubation matter when copying equity funds in China?

Yaping Wang,Miyoun Paek,Kwangsoo Ko 한국재무학회 2014 한국재무학회 학술대회 Vol.2014 No.11

This study investigates the impact of incubation on the effectiveness of copycat funds in the largest emerging market, China. The empirical findings are as follows. First, unlike the U.S., the overall findings exclude the possibility of successfully copying equity funds in China. Second, an advisory company’s fund incubation makes it harder to free-ride on new funds than old funds. Third, incubation is generally undertaken for new funds in a bullish market so that copycat returns of new-minus-old funds have a negative correlation with market returns. Fourth, the effect of long Chinese Lunar Year holiday impairs the performance of primitive funds, consequently, copying is effective in January and February. Finally, logit analysis shows that copying is successful for those funds with low performance and low turnover ratios.