The monolingual/bilingual dictionary use dichotomy has recently gained more spotlight than before, and this dichotomy has turned back to reassess the usefulness of each type in terms of vocabulary knowledge and acquisition. Although EFL (English as a foreign language) learners perceive dictionaries as inevitable references for vocabulary knowledge and linguistic consultation and almost all (learners and teachers) consider dictionaries ‘absolutely essential’ in the learning and teaching profession (Christianson, 1997; Walz, 1990; McAlpine and Myles, 2003), the usefulness of dictionaries tends to be dependent upon the type of dictionary being consulted (Laufer and Hadar, 1997; Hulstijn, 1993; Knight, 1994). Within this heated debate and abounding controversies over the usefulness of dictionary, the usability of dictionary and dictionary usefulness (Laufer and Kimmel, 1997) “do not necessarily go hand in hand” (p. 362), and Arab FL (Foreign language)  learners’ perspectives towards dictionary types problems and users’ dictionary type preferences are not yet unearthed (Al-Ajmi, 2002). Moreover, within the recent emphasis for dictionary skills (Scholfield, 1982, Laufer and Hadar, 1997; Laufer and Kimmel, 1997), it is reported that Arab learners are not dictionary competent or skilled dictionary users and do lack the necessary skills (Aly, 2004). Within this framework, this qualitative study aims at arriving at a deeper understanding of the problems of dictionary use, either bilingual or monolingual, as faced by Libyan Arab learners for general dictionary use purposes among postgraduate master students at UUM(Univeristi Utara Malaysia). 

Positioning systems are one of the key elements required by location-based services (LBS). As global positioning system (GPS) was never intended for indoor environments, indoor positioning systems based on wireless local area networks (WLAN) have been proposed as a viable solution. RADAR algorithm is one of the famous indoor positioning techniques. It uses a database of predetermined fingerprints for selected locations to estimate the location of a mobile user in the signal space. Another new proposed algorithm named the Enhanced Fingerprint (EFP) uses the same principle as RADAR algorithm but with more than one fingerprint per location. In this paper we investigated the location fingerprint based algorithms by taking RADAR and EFP with more details. We evaluated these two algorithms in terms of accuracy, reliability and computation time. Experiment results show that the EFP algorithm gains 1.82 m of accuracy over RADAR algorithm, while the last one saves 75% of computation time. We found that EFP algorithm is more consistent with varying number of training samples.

Proteomic and molecular studies on the human follicle and follicular fluid: phenotypic differences between human granulosa cell subtypes.

Abstract

The present report concerns a 23-year-old woman who sustained an injury to her right knee while playing 10-pin bowling on a Nintendo Wii video game console. She presented to our orthopaedic outpatients clinic 3 months later with history and examination findings suggestive of a medial meniscal tear, which was confirmed by MRI scan. She underwent arthroscopic partial medial meniscectomy and made an uneventful recovery.

Removal of hardware in orthopaedic surgery is usually encountered in revision fracture surgery for non union, mal union, infection and peri-implant failure. If the hardware has broken this can make revision surgery even more demanding. Numerous techniques have been described to facilitate implant removal. A broken femoral nail is not an uncommon presentation of a delayed union or a non union. We describe a simple and innovative technique to remove the distal portion of broken intramedullary nails without causing any further trauma. This technique can be extended to include most hollow intramedullary nails.

To examine the differences in specific protein expression between mural and cumulus granulosa cells following 24-hour in vitro culture.

DESIGN

Laboratory study.

SETTING

• University Hospital. INTERVENTION(S): Human granulosa cells were collected at the time of egg collection during assisted reproduction. Cumulus cells associated with the oocyte were separated from mural cells from the periphery of the follicle before in vitro culture for 24 hours. Cells were then lysed and subjected to two-dimensional gel electrophoresis. MAIN OUTCOME MEASURE(S): Given that cumulus (cGC) and mural granulosa cells (mGC) differentiate from a single layer, it is likely that phenotypic differences between them may reflect specific molecular processes and structural adaptations. Computer-assisted analysis using dedicated software enabled the presence, absence, or relative volume of each individual protein …