全文获取类型
收费全文 | 264篇 |
免费 | 2篇 |
国内免费 | 1篇 |
专业分类
教育 | 150篇 |
科学研究 | 87篇 |
各国文化 | 3篇 |
体育 | 1篇 |
文化理论 | 4篇 |
信息传播 | 22篇 |
出版年
2023年 | 4篇 |
2022年 | 8篇 |
2021年 | 8篇 |
2020年 | 1篇 |
2019年 | 9篇 |
2018年 | 12篇 |
2017年 | 20篇 |
2016年 | 18篇 |
2015年 | 9篇 |
2014年 | 11篇 |
2013年 | 39篇 |
2012年 | 15篇 |
2011年 | 10篇 |
2010年 | 16篇 |
2009年 | 7篇 |
2008年 | 9篇 |
2007年 | 7篇 |
2006年 | 2篇 |
2005年 | 7篇 |
2004年 | 6篇 |
2003年 | 3篇 |
2002年 | 2篇 |
2001年 | 5篇 |
2000年 | 6篇 |
1999年 | 3篇 |
1998年 | 6篇 |
1997年 | 3篇 |
1996年 | 1篇 |
1995年 | 2篇 |
1994年 | 1篇 |
1993年 | 1篇 |
1992年 | 3篇 |
1991年 | 1篇 |
1990年 | 1篇 |
1989年 | 3篇 |
1988年 | 1篇 |
1987年 | 1篇 |
1984年 | 1篇 |
1980年 | 1篇 |
1979年 | 1篇 |
1975年 | 1篇 |
1973年 | 1篇 |
1964年 | 1篇 |
排序方式: 共有267条查询结果,搜索用时 15 毫秒
31.
Professional shortages of geriatrically trained social workers pose a barrier to mental health care for older adults. Integrating graduate social work interns into primary care settings may increase the availability of trained social workers. However, few studies provide guidance on how to develop an interprofessional healthcare placement focused on the needs of older adults. This article discusses a model training program created by a psychology department (with input from social work faculty) that can be adapted by schools of social work. Client outcomes (n = 47) indicate significant improvement when using this model. 相似文献
32.
Nazar Ali Korejo Quan-wei Wei Atta Hussain Shah Fang-xiong Shi 《Journal of Zhejiang University. Science. B》2016,17(11):850-863
This study evaluated the effects of comorbid disorders of diabetes and hyperthyroidism in the adult male mice. In total, 32 ICR strain mice were equally distributed into four groups: control (C), diabetic (D), diabetic-plushyperthyroid (DH), and hyperthyroid (H). Mice allocated for diabetes received a single intraperitoneal injection of streptozotocin (STZ) at 200 mg/kg body weight. At the onset of diabetes, one group of mice was concomitantly injected levothyroxine (LT4; 0.3 mg/kg body weight) and the other set of animals received the same treatment independently on a daily basis. The body weight, as well as the testicular and epididymal weights, was reduced markedly in D and DH mice. Higher trends of blood glucose levels were seen in the DH group, in comparison to euthyroid diabetic mice. Thyroid hormones could exert a transient effect on blood glucose homeostasis by altering the serum blood glucose level in diabetic patients. Histomorphometric analysis showed increased luminal sizes of seminiferous tubules, along with decreased epithelial height and atrophic changes in germinal stem cells in the testis of DH and H mice. Caput epididymis of DH mice showed extensive compaction of principal cells, loss of stereocilia, lipid vacuolization, and inflammatory infiltrations; however, damaged tubular integrity, packed clear cells, exfoliated cells, and round spermatids were profoundly noticed in the cauda epididymis. Hyperthyroidism elevated the serum testosterone levels in H and DH mice and produced critical damages to the histoarchitecture of the epididymis. Collectively, this experiment endeavored to mimic the polyglandular autoimmune syndrome, which will be helpful to better understand the reasons for male infertility in diabetic-cum-hyperthyroid patients. 相似文献
33.
Hussein Genemo Shah Jahan Miah Alasdair McAndrew 《Education and Information Technologies》2016,21(6):1769-1784
Assessment has been defined as an authentic method that plays an important role in evaluating students’ learning attitude in acquiring lifelong knowledge. Traditional methods of assessment including the Computer-Aided Assessment (CAA) for mathematics show limited ability to assess students’ full work unless multi-step questions are sub-divided into sub questions. This issue persisted significant drawback especially within the notion of method marking approach. To address this issue, the aim of the study is to develop a methodological framework that will create an information and communications technology (ICT) artefact prototype. The prototype (termed as method marking assessment (MMA) artefact) implements a method-marking assessment concept to assess through multi-step questions. Extensive literature reviews have revealed that there are features in common between complex-problem solution characteristics and multi-steps questions assessment using ICT; therefore complex problems paradigm is used in the study for developing the MMA prototype. 相似文献
34.
Jennifer Adams Bal Chandra Luitel Emilia Afonso Peter Charles Taylor 《Cultural Studies of Science Education》2008,3(4):999-1019
This forum constitutes a cogenerative inquiry using postcolonial theory drawn from the review paper by Zembylas and Avraamidou.
Three teacher educators from African, Asian and Caribbean countries reflect on problems confronting their professional practices
and consider the prospects of creating culturally inclusive science education. We learn that in Mozambique, Nepal and the
Caribbean scientism patrols the borders of science education serving to exclude local epistemological beliefs and discourses
and negating culturally contextualized teaching and learning. Despite the diverse cultural hybridities of these countries,
science education is disconnected from the daily lives of the majority of their populations, serving inequitably the academic
Western-oriented aspirations of an elite group who are “living hybridity but talking scientism.” The discussants explore their
autobiographies to reveal core cultural values and beliefs grounded in their non-Western traditions and worldviews but which
are in conflict with the Western Modern Worldview (WMW) and thus have no legitimate role in the standard school/college science
classroom. They reflect on their hybrid cultural identities and reveal the interplay of multiple selves grounded in both the
WMW and non-WMWs and existing in a dialectical tension of managed contradiction in a Third Space. They argue for dialectical
logic to illuminate a Third Space wherein students of science education may be empowered to challenge hegemonies of cultural
reproduction and examine reflexively their own identities, coming to recognize and reconcile their core cultural beliefs with
those of Western modern science, thereby dissipating otherwise strongly delineated cultural borders.
相似文献
Jennifer AdamsEmail: |
35.
M. Shafi M. Zargar Z. A. Shah M. Salahuddin M. Siddiqi 《Indian journal of clinical biochemistry : IJCB》1998,13(2):106-110
Serum and urine samples from 513 patients clinically suspected of monoclonal gammopathies over a period of five years (1992–97)
were subjected to various immunological procedures viz, electrophoresis, immunoelectrophoresis and immunoglobulin estimations.
Laboratory investigations confirmed gammopathies in 10.33%. It was observed that overall age of incidence for monoclonal gammopathies
in both sexes was between 42–72 years with a male to female ratio of 1.4∶1. Predominant paraprotein detected was IgG type
(75.47%) followed by IgA (16.98%) and Bence Jones proteins (7.55%). Amongst positive patients, 64.16% were having kappa (k) type light chains and 35.84% lambda (δ) type light chains. 69.39% patients with serum M component (IgG and IgA) had Bence
Jones proteinuria. Densitometric scanning revealed that majority of IgG type paraprotein was found in the slow gamma globulin
region and majority of IgA type paraprotein was found equally distributed between beta and fast gamma globulin regions. Both
types had decreased albumin and alpha-2-globulin concentrations as compared to normal controls. Immunoglobulin levels in patients
with paraprotein had very high levels of serum IgG (6467.0 mg%) and IgA (2714.0 mg%) in respective types of monoclonal gammopathies;
the rest of immunoglobulin classes were either at normal or decreased levels. 相似文献
36.
Kavita K. Shalia V. K. Shah M. R. Mashru S. L. Soneji J. B. Vasvani S. S. Payannavar A. P. Walvalkar R. A. Mokal S. M. Mithbawkar K. V. Kudalkar A. Abraham P. K. Thakur 《Indian journal of clinical biochemistry : IJCB》2010,25(1):20-28
The study aimed to analyze the circulating levels of thrombotic and haemostatic components; tissue factor, tissue factor pathway inhibitor, tissue plasminogen activator and plasminogen activator inhibitor-1 in patients with acute myocardial infarction at presentation (Group 1, n=49), unstable angina and Non-ST elevated MI after treatment (Group 2, n=22), stable angina (Group 3, n=18) and healthy individuals (Group 4, n=31). Significant finding was increase in tissue factor not only in Group 1 (2.0 fold, P=0.001), Group 2 (2.2 fold, P=0.015) but also in Group 3 (1.8 fold, P=0.018) as compared to controls. In Group 1 Plasminogen activator inhibitor-1 increased significantly (35.8%, P=0.02). Tissue factor pathway inhibitor and tissue plasminogen activator demonstrated increase in Group 1 of age<40 years while insignificant changes in elder patients. Increased thrombotic and decreased fibrinolytic conditions in acute myocardial infarction patients were observed. Increase TF in stable angina demonstrates procoagulant status in these patients as well. 相似文献
37.
Unstable angina is a critical condition of heart resulting from narrowing of vessels supplying blood to heart. Ischemia of
the myocardium leads to oxidative stress and severe tissue damage. The objective of the present study was to determine the
effect of l-arginine administration on the oxidant–antioxidant homeostasis which otherwise gets imbalanced in patients with cardiovascular
diseases. The results obtained, show improvement in the oxidant–antioxidant levels of the subjects upon incorporation of l-arginine. Our findings suggest that supplementation of l-arginine along with regular anti-anginal therapy may be beneficial to the patients of unstable angina. 相似文献
38.
Carbon encapsulated iron nanoparticles(CEINPs) with very thin shells and good core-shell structures were prepared by DC arc discharge at argon intake temperature(AIT) of 800 ℃. The results of high resolution transmission electron microscope(HRTEM), energy dispersive X-ray(EDX) spectroscope, X-ray diffraction(XRD), and X-ray photoelectron spectroscope(XPS) characterizations on the product B show that the thickness of the carbon shells of CEINPs in the product B is in the range of ca. 0.5—5.3 nm, i. e., which can be as thin as only two layers of graphite. The average diameter of the CEINPs is about 24. 7 nm. The total content of Fe element in the product B is 77.0 wt%. The saturation magnetization(Ms) and coercivity(Hc) of the product B are 107.4 emu/g and 143 Oe, respectively. The formation of the CEINPs in the product B is discussed briefly. 相似文献
39.
Erik Jacobson Joanne Lobato Chandra H. Orrill 《International Journal of Science and Mathematics Education》2018,16(8):1541-1559
Mathematics teacher education aims to improve teachers’ use of mathematical knowledge to support teaching and learning, an aspect of pedagogical content knowledge (PCK). In this study, we interviewed teachers to understand how they used mathematics to make sense of student solutions to proportional reasoning problems. The larger purpose was to find accurate ways of categorizing teachers’ ability to do this vital aspect of teaching and thereby to inform assessment, teacher education, and professional development. We conjectured that teachers’ PCK for proportional reasoning could be reliably described in terms of attention to quantitative meanings in story problem contexts and in terms of understanding naïve forms of proportional reasoning. Instead, our findings reveal that individual teachers used a variety of means to make sense of (1) cognitively similar student solutions to different tasks and (2) mathematically related steps of a student solution within a single task. These findings illustrate the complexity of PCK for the topic of proportional reasoning and suggest the limits of what can be inferred about teacher knowledge from teachers’ evaluations of student solutions. We discuss implications for teacher education and assessment. 相似文献
40.
Mahsood Shah Hai Yen Vu Sue-Ann Stanford 《Perspectives: Policy and Practice in Higher Education》2019,23(1):5-11
The last decade has witnessed a significant growth of private higher education around the world. The growth included the number of private education providers, and also the growing number of students. While some countries are experiencing trend growth, others are witnessing decline. Some of the reasons for the decline include increased regulation and stringent accreditation and reaccreditation of higher education institutions and courses, government policies to encourage the growth of public universities, and acquisition of small providers by large private education institutions. The growth of private higher education has increased competition, and it has also established collaboration with public institutions. The growth of private higher education has also raised concerns about ethical governance, maintenance of academic standards, and mechanisms to plan, review, and improve educational outcomes. This paper focuses on Australia where despite growth, there is limited research about private higher education. This paper reviews literature on the global growth and decline of private higher education. It then analyses the trends in Australia and possible scenarios for the future of private higher education in the country. 相似文献