论幸福学在社会科学中的“母学”地位

一方面,由于如亚里士多德所说,幸福是人类一切行为的"终极的"、"自足的"目的,另一方面,由于人类面临的生存危机、道德危机、信仰危机等一系列危机的主要原因是未能解决好什么是幸福,怎样才能获取幸福这个根本问题,因此,需要创建幸福学,并且确认它是其他社会科学的"母学",也就是其他社会科学的理论基础与指南。在幸福学的统领与指导下,各门社会科学围绕人类的终极目的联合"攻关",可望在理论与实践两个方面解决幸福问题,从而,完成幸福世纪的幸福革命,实现建设幸福国家和幸福世界的目标。

Positive effects of native language in the foreign language learning and teaching

Native language has been rejected for a long time in the foreign language class, which results from a misunderstanding to native language transfer by most teachers. Actually, it is an effective learning strategy to complete the communication task under the help of native language, which should be acknowledged. Using native language to explain specific words or grammar rules can take advantage of the limited class-time efficiently and increase the class efficiency; using native language to discuss teaching method and solve the problems for the students can promote their enthusiasm. In these specific teaching processes, native language is an important teaching resource. Instances identify that native language has positive effects in the foreign language learning and teaching and it should have its own standpoint.

Recovery of valuable metals from lepidolite by atmosphere leaching and kinetics on dissolution of lithium

The lepidolite located in Yichun, Jiangxi Province, China, was adopted to investigate the recovery of alkali metals and leaching kinetics of lithium with sulphuric acid solution under atmospheric pressure. The results show that the recoveries of alkali metals were achieved under the leaching conditions: mass ratio of lepidolite with particle size less than 180 μm to sulphuric acid 1.2, leaching temperature 411 K, liquid-solid ratio 2.5∶1, and leaching time 10 h. Under the selected conditions for leaching experiment, the leaching rates of lithium, potassium, rubidium and caesium are 94.18%, 93.70%, 91.81% and 89.22%, respectively. The X-ray diffraction analysis for leaching residue indicates that no insoluble product forms during leaching. The chemical compositions of leaching residue reveal that trace iron, manganese and calcium disappear after acid leaching. The kinetics of leaching process for lithium follows shrinking core model of mixed control and the apparent activation energy is 17.21 kJ/mol. The reaction orders with respect to sulphuric acid concentration and liquid-solid ratio are determined to be 2.85 and 1.66, respectively. A semi-empirical rate equation was obtained to describe the leaching process. The kinetic analysis shows that the leaching process is controlled by diffusion through the insoluble layer of the associated minerals.

A New Pullulan-Producing Yeast and Medium Optimization for Its Exopolysaccharide Production

Yeast strain Y68 producing high level of pullulan was isolated from the phyton collected in Toulouse, France. This strain was identified to be Rhodotorula bacarum by BIOLOG analysis. This is the first report that pullulan was produced by Rhodotorula bacarum. The optimal medium (g L -1) for pullulan production by this strain was 80 glucose, 20 soybean cake hydrolysate, 5 K 2HPO 4, 1 NaCl, 0.2 MgSO 4·7H 2O, 0.6 (NH 4) 2SO 4, pH 7.0. Under this condition, 54 g L -1 pullulan was produced within 60 h at 30 ℃. Pullulan is a better starting material for producing marine prodrugs.

Mediators of Parental Status （Single or Both Parenting） and Academic Performance of Primary School Pupils in Ghana

This multivariate study investigated whether Parental Support, Teacher Support, and Academic Motivation mediate the relationship between Parental Status （i.e., children from single or both parents homes） and Academic Performance, The research design used for the study was a cross sectional survey using the quantitative approach. Data set from 250 primary school pupils from the Effutu Municipality were analysed using partial correlation and multiple regression analytical techniques. Among the study findings, that were when the effects of Parental Status were controlled for, Parental Support, Teacher Support, and Academic Motivation still related significantly to Academic Performance. Among the conclusions of the findings are that, whether the child was from a single or both parent home was not important with regard to his or her academic performance but rather it was the quality of support that the child gets from whoever is doing the parenting, teacher support and the child＇s own academic motivation that were important to determine the child＇s Academic Performance. The study also found that Parental Support was the best predictor of the pupils＇ Academic Performance out of the three factors includingTeacher Support and Academic Motivation.

Regeneration of Spent Activated Carbon by Yeast and Chemical Method

In this study,spent activated carbon(AC) saturated with caramel was regenerated by using yeast and NaOH.The efficiency of regeneration was evaluated under parameters such as amount,treatment time,temperature,pH value,stirring temperature of yeast and NaOH concentration.The optimum condition for AC regeneration was 8 h for yeast treatment time,35 ℃ for 0.075% yeast culture temperature,a pH value of 6 for the yeast dealing with the spent AC,90 ℃ for NaOH stirring temperature of AC and 6% NaOH for washing after the spent AC was treated by yeast.Under these conditions,methylene blue(MB) adsorption was 213 mg·g-1 in comparison with 60 mg·g-1 of spent AC.The micro structure and surface area of the regenerated AC were characterized by scanning electron mi-croscope(SEM) and N2 sorption,respectively.The pore size distributions of virgin and regenerated AC were ana-lyzed by means of H-K equation,resulting in a mean pore diameter of 1.28 nm and a pore volume of 1.13 cm3·g-1.This study provides data for theoretical support of the AC regeneration technology.

Identification of zRAP55,a gene preponderantly expressed in StagesⅠandⅡ oocytes of zebrafish

In an in silico search for gonand specific expressed genes, we have identified zRAP55 which is enriched in the ovary of zebrafish . zRAP55 encodes a protein of 382 amino acids with a highly conserved Lsm domain. zRAP55 protein shares more than 56% identities with that of other vertebrate species. RT-PCR results show that it is predominantly expressed in the ovary. In situ hybridization and immunohistochemistry studies reveal that zRAP55 is ubiquitously dispersed throughout the cytoplasm of stages Ⅰ and Ⅱ oocytes, whereas no expression is observed in stages Ⅲ and Ⅳ oocytes. As an RNA associated protein, zRAP55 might function in the control of protein translation at the early stages of oogenesis in zebrafish.

Effect of Using Baker＇s Yeast and Exogenous Digestive Enzymes as Growth Promoters on Growth, Feed Utilization and Hematological Indices of Nile tilapia, Oreochromis niloticus Fingerlings

The present study was conducted to evaluate the effect of baker yeast, Saccharomyces cerevisiae （SC） and exogenous digestive enzymes （pepsin, papain and a-amylase, EDE） dietary supplementation on growth performance, feed utilization and hematological indices of Nile tilapia, Oreochromis niloticus fingerlings. A total of 630 Nile tilapia fingerlings with an average body weight of 26.4 ± 0.2 g were divided in the seven experimental net-pen treatments （three replicates each）. The experiment was conducted for 119 days. Seven isonitrogenous （26.50%） digestible protein and isocaloric （13.40 MJ kgl） digestible energy experimental diets were formulated. The control diet had no SC and EDE added. Diets 2-3 each contained SC at levels of 2 and 4 g 100 g diet-t, respectively, while diets 4-5 each contained EDE at levels of （0.64, 1.28, 0.16） and （1.28, 2.56, 0.32） g 100 gdiefI of pepsin, papain and a-amylase, respectively. Diet 6 contained mixture of SC and EDE at levels of 1 g yeast and 0.32, 0.64, 0.08 g of pepsin, papain and a-amylase, respectively 100 gdiet1 and diet D7 contained 2 g yeast and 0.64, 1.28, 0.16 g of pepsin, papain and a-amylase, respectively 100 g dietl. Growth performance and feed utilization efficiency of Nile tilapia were significantly （P 〈 0.05） higher in all treatments receiving SC and/or EDE supplemented-diets than the control diet which suggests that the addition of SC and EDE enhanced the growth performance. Red blood cells counts, hematocrit and hemoglobin were significantly （P 〈 0.05） highest in all treatments receiving mixture of SC and EDE supplemented-diets （D6 ＋ D7）. The same trend was observed for total plasma protein and total plasma globulin levels. The results of present study suggested that Nile tilapia fingerlings fed diets containing the mixture of I g yeast, SC and 0.32, 0.64, 0.08 g of pepsin, papain and a-amylase, respectively 100 gdiet^-1, for 119 days had enhanced growth performance, diet utilization efficiency and hematological indices.

Studies on the Chemical Constituents of Four Species of Fritillaria Plants

The bulbs of Fritillaria spp.(Liliaceae)are used in Chinese medicine as antipyretic,anti-tussive,expectorant,etc.In order to search for the bioactive constituents from this genus,thebulbs of four species of medicinal Fritillaria plants have been investigated.Thirteen compoundswere isolated from Fritillaria thunbergii Miq.,three of them were new compounds.Fourteencompounds from Fritillaria thunbergii var.chekiangensis Hsiao et K.C.Hsia collected inDongyang of Zhejiang Province,four of them are new compounds and another one was first iso-

Kinetics of leaching lithium from lepidolite using mixture of hydrofluoric and sulfuric acid

The fluorine-based chemical method shows great potential in leaching lithium(Li) from lepidolite. Leaching kinetics of Li in a mixture of sulfuric acid and hydrofluoric acid, which is a typical lixivant for the fluorine-based chemical method, was carried out under crucial factors such as different HF/ore ratios(1:1-3:1 g/mL) and leaching temperatures(50-85℃). The kinetics data fit well with the developed shrinking-core model, indicating that the leaching rate of Li was controlled by the chemical reaction and inner diffusion at the beginning of leaching(0-30 min) as a calculated apparent activation energy(Ea) of 20.62 kJ/mol. The inner diffusion became the rate-limiting step as the leaching continues(60-180 min). Moreover, effects of HF/ore ratio and leaching temperature on selective leaching behavior of Li, Al and Si were discussed. 90% of fluorine mainly existed as HF/F-in leaching solution, which can provide theoretical guidance for further removal or recovery of F.

Salt＇s Effect on Anatomy and Deformity of Pistacia vera Nut

This study attempts to examine the effects of salinity on leaf, stem, and nut of Pistacia vera （Ohady and Kaleh Ghochi cultivars） in order to characterize their anatomical structures with electron and light microscopy. A comparative study of the anatomy indicates a difference between the density of simple and glandular trichomes in leaf surface, deposit of wax, the thickness of leaf, the length of epidermal cells, palisade parenchyma cells, crystals in mesophyll, and the manner of compatibility to salinity. The results obtained in this research demonstrate that compatibility of Ohady cultivar is higher than Kaleh Ghochi and the degree of mechanical wounding depends on their development stages. In addition to results of previous studies which considered crop load as the main cause of fruit deformity. The present study indicates that, in spite of some reduction in total production of a tree, salinity decreases fruit deformity and to a high extent prevents the production of deformed fruit. Indeed, a remarkable reduction in production of deformed fruit will be yielded by selecting pistachio varieties which are resistant to salinity. Moreover, salinity increases the resistance of nuts to mechanical wounding. The results of this study suggest that in EC = 7.6, 12.6 deformity of nut is not related to crop load.

Preparing EFL Learners for Native English-Speaking Context Through Vocabulary Learning： Two Chinese Cases in New Zealand

While numerous studies in English as a second/foreign language （EFL） have examined vocabulary learning and teaching in the perspective of theories and practical tips, there is a paucity of research on the impact of high-frequency words learning on preparing new EFL residents for the life in English-speaking countries. In order to fill this gap, this study draws on the experience of two EFL learners in New Zealand （NZ）, so as to explore the effectiveness of a 16-week daily-English-focused vocabulary learning program, which might generate useful implications about the effective adaption of new EFL residents to their target countries.

Life cycle of Craspedacusta sowerbyi xinyangensis

To explore the life cycle of Craspedacusta, the authors collected male and female specimens of the Craspedacusta sowerbyi xinyangensis in a small fire-fighting pond in Ningbo, Zhejiang Province in July, 2005 and 2006. The development of C. sowerbyi xinyangensis was studied from zygote to medusa by means of light microscopy and digital camera. The zygotes of C. sowerbyi xinyangensis are globular and smooth （90- 105 μm diameter） and have an equal, total cleavage to the two-cell stage 15 min after fertilization. The embryos enter the four-cell stage after another 15 min and become multicellular embryos after 3h 15min. At this stage the embryos have a diameter similar to fertilized eggs but have uneven surfaces that are distinct from the smooth surfaces of the uncleaved zygotes. Solid gastrulae are formed 7 h after fertilization. These are spherical planulae with short surface cilia that begin to swim in slow clockwise circles. After 12 h, they lose their cilia, cease swimming and become elongated planulae with one end larger than the other. Rod-like planulae, similar in thickness at both ends, are formed after an additional 7 h. After 4 days, the planulae develop into tiny polyps having two germ layers and a gastrovascular cavity. The polyp mouth is 50 - 62 μm in diameter, lacking tentacles but having nematocysts around the mouth. Planulae become mature polyps after 10 days （15 days after fertilization）. Medusa buds （45 - 88 μm diameter） are formed by polyp budding, which soon become free-living medusae with 8 tentacles （380 - 620 μm diameters） . Sometimes, the movement of frustules, which are formed by the polyps and similar to planulae in morphology can also be observed [ Current Zoology 55 （3） ： 227 - 234, 2009].

Kinetic study of alkaline protease 894 for the hydrolysis of the pearl oyster Pinctada martensii

A new enzyme (alkaline protease 894) obtained from the marine extremophile Flavobacterium yellowsea (YS-80-122) has exhibited strong substrate-binding and catalytic activity, even at low temperature, but the characteristics of the hydrolysis with this enzyme are still unclear. The pearl oyster Pinctada martensii was used in this study as the raw material to illustrate the kinetic properties of protease 894. After investigating the intrinsic relationship between the degree of hydrolysis and several factors, including initial reaction pH, temperature, substrate concentration, enzyme concentration, and hydrolysis time, the kinetics model was established. This study showed that the optimal conditions for the enzymatic hydrolysis were an initial reaction pH of 5.0, temperature of 30°C, substrate concentration of 10% (w/v), enzyme concentration of 2 500 U/g, and hydrolysis time of 160 min. The kinetic characteristics of the protease for the hydrolysis of P. martensii were obtained. The inactivation constant was found to be 15.16/min, and the average relative error between the derived kinetics model and the actual measurement was only 3.04%, which indicated a high degree of fitness. Therefore, this study provides a basis for the investigation of the concrete kinetic characteristics of the new protease, which has potential applications in the food industry.

Screening of FOXP3-interacted proteins by yeast two-hybrid technique

Objective： To screen the proteins interacting with the Treg specification factor forkhead box protein P3 （FOXP3） by yeast two-hybrid system, Methods： Human FOXP3 gene was amplified by nest RT-PCR from peripheral blood mononuclear cells （PBMC） and inserted into plasmid pGBKT7 to construct the bait vector, then the self-activation and toxicity of the bait vector in host yeast strain AH109 were observed. Thereafter, a human liver cDNA library was screened by the bait vector. The positive clones were selected out by nutrient-deficient culture and back-hybridizing. The sequences from the candidate positive clones were blasted and analyzed by bioinformatics methods. Results： The constructed bait vector encoding FOXP3 was found no self-activation and toxicity in yeast AH109. Three proteins which interacted with FOXP3, including tumor protein D52, splicing factor 3b subunit 1 and hypothetical protein, were identified. Conclusion： Three new candidate proteins interacting with FOXP3 are selected out by this yeast two-hybrid system and library, which may facilitate the further study of FOXP3 in Treg.

Foreign Language Teacher Recruitment： Theoretical Perspectives and Empirical Findings

In some contexts such as private language schools of Iran language teachers are recruited mainly on the basis of their speaking fluency and in other EFL contexts they are recruited simply because they are native speakers. Moreover, previous studies mainly focus on comparing the effectiveness of native and non-native language teachers by exploring learners＇ and teachers＇ perceptions of native and non-native language teachers. Since recruitment criteria are theoretically unjustified and the results of previous studies are subjective and inconclusive, this study aims at making a case in the opposite direction. That is, the researchers argue that there should be： （1） a shift away from recruiting language teachers on the basis of their speaking fluency and native language background towards hiring language teachers on the basis of their professional performance in the language classroom; （2） a shift away from exploring learners＇ and teachers＇ perceptions of native and non-native teachers towards studying the effect of teachers＇ native language on learners＇ proficiency, accuracy, fluency, and achievement. To pave the way for these shifts, this study first reviews the theoretical perspectives and empirical findings concerning effective language teachers and then draws conclusions and implications which help interested stakeholders, i.e., supervisors, make informed decisions when they recruit language teachers.

Growth Modeling of Charolais and Serrana Soriana Native Spanish Beef Cattle

The alternative productions, increasingly importance, are based on the rational utilization of the resources, on agreement with the environment and the use of autochthonous breeds that many cases are found in danger of disappearance, due to the tact that their suckling is not economically profitable. A way of predicting and knowing the growth of the animals is using mathematical models. This work presented the results of the estimate of the growth according to the Gompertz-Laird model of males of the atttochthonous breed Serrana Soriana and Charolais. The weight to the birth of the breed calfs Charolais （45.14 kg）, was superior to those of Serrana Soriana （40.13 kg）, and presented a greater relative growth （9.9%） before the inflection point of the growth curve： furthermore it ~as also superior to the maximum decline relative after this point （6%）, Serrana Soriana reached 7 days after the maximum growth point but with a smaller weight （315.05 kg vs 384.76 kg）. It was calculated a weight to the maturity of 1 ,（176.91） kg for Charolais and 856.40 kg for Serrana Soriana.

Transdisciplinarity Exploitation of Maternal Language, Based on the Model of C.P.M.P.S Application in the Art Subject

The presented paper puts in discussion the dilemma of the linear supports of formal teaching and learning processes of regular school, coexisting with an inter and transdisciplinarity of the process mentioned above. In this perspective, the author wonders about the subjectivity of the students＇ apprenticeship and about the way they can change, according to the methodological variants, as well as the context. So, he intents to explore the C.P.M.P.S （Creative and Participative Method of Problem Solution） in the development of Portuguese written language competence, through the art subject. In this paper, we can see the increase of different variables from the perspective of students and teachers which validates in some manner of the teaching methodology.

Parental Migration and the Academic Performance of Left-behind Children——Evidence from a Two-wave Panel Dataset of 10 Thousand Students in 5 Provinces in China

Since the 1990s, the large-scale migrant labor force from rural to urban areas has made great contributions to the growth in China. However, migration does not come without costs. The potential impacts of parental migration on the left-behind children have aroused wide concerns. Based on a two-wave panel dataset of nearly 10 thousand students in 166 schools from 13 counties in 5 provinces between 2014 and 2015, differences-in-differences （DID） and propensity score matching plus DID （PSMDID） approaches were used to examine the changes in academic performances before and after the parental out-migration. The results indicated that the mother only migration has a significant negative impact on the a- cademic performances of left-behind children, and it was especially true when the mother only migration lasted more than a semester. For left-behind children whose parents were out or only the father was out, their academic performances were not affected.

A Corpus-Based Study of Adverbial Connectors in Native and Non-native Students＇ Writing

In writing and speaking, adverbial connectors always play a part to connect different parts together at both semantic and syntactic aspects. For it is so important that a lot of scholars have made and are making a series of studies to their functions. On the basis of corpus-based study, this paper firstly makes a comparison to the usage of adverbial connectors in their writings of the native students and non-native students and then exposes a distinctive gap between these two types of writings in usage of adverbial connectors. In order to help Chinese second-language learners acquire English as well as English native speakers do, this study deeply digs this gap and in further provides several pedagogical suggestions for English teachers and second-language learners.