scholarly journals Diatoms of Bagmati River, Kathmandu, Nepal

2017 ◽  
Vol 7 (1) ◽  
pp. 1-25
Author(s):  
Shiva Kumar Rai ◽  
Sudip Khadka
Keyword(s):  
Post Graduate ◽  
Bagmati River ◽  
First Time

This paper is an outcome of M.Sc. dissertation work carried out by second author during 2014 in Bagmati River, Kathmandu, Nepal. Diatom samples were collected by scraping stones with the toothbrush, squeezing macrophytes and sucking by dropper from three different sites (Mulkharka, Gokarna, Guheshwori-Pashupatinath) along the river during summer, rainy and winter seasons and studied thoroughly in the Phycology Researh Laboratory, Department of Botany, Post Graduate Campus, Biratnagar. A total 48 diatom taxa belonging to 25 genera and 12 families were enumerated. Among them, 20 diatoms were reported first time from Nepal viz., Fragilaria vaucheriae, Achnanthes inflata, Planothidium lanceolatum, Eunotia botuliformis, Gyrosigma scalproides, Stauroneis smithii, Sellaphora capitata, Neidium ampliatum, Navicula escambia, Pinnularia cf divergens, P. grunowii, Gomphonema acidoclinatum, G. gandhii, G. pseudoaugur, G. rhombicum, Cymbella turgidula, Encyonema hustedtii, E. ventricosum, Epithemia adnata, and Surirella angusta. Further extensive studies are essential to understand more about new and interesting diatoms of this river.

The Post-Graduate Education and Training of Consultant Psychiatrists

1974 ◽  
Vol 124 (579) ◽  
pp. 109-124 ◽  
Author(s):  
Peter Brook
Keyword(s):  
Graduate Education ◽  
Education And Training ◽  
Postal Questionnaire ◽  
Training And Education ◽  
Post Graduate ◽  
The Third ◽  
General Psychiatry ◽  
First Time ◽  
And Training ◽  
Previous Group

This paper reports some aspects of a survey made of the training experiences of a group of recently appointed consultants in general psychiatry; it is the third such survey made by the author. The original enquiry was a postal one and asked about the training and education received by all consultants who had been appointed for the first time to a post in general psychiatry, with at least 6 N.H.S. sessions, between 1 October 1963 and 30 September 1969 (R.M.P.A., 1969). A second survey, using a questionnaire much modified from the first, was made of consultants appointed between 1 October 1966 and 30 September 1969, using the same criteria of eligibility as the first group (Brook, 1972, 1973). The present enquiry used a postal questionnaire almost identical to that used for the previous group, which was circulated to consultants in general psychiatry appointed between 1 October 1969 and 30 September 1972.

scholarly journals "Reading. The encyclopedic dictionary"

2021 ◽  
pp. 147-152
Author(s):  
Yu. P. Melentyeva
Keyword(s):  
Graduate Students ◽  
Personal Development ◽  
Post Graduate ◽  
Library Studies ◽  
Encyclopedic Dictionary ◽  
Psychology Pedagogy ◽  
First Time

The reading encyclopedia has been published for the first time in Russia. It generalizes the accumulated knowledge of the reading phenomenon in various science domains (philosophy, psychology, pedagogy, philology, bibliology, library studies, physiology, etc.) and represent it in its true scale – as the foundation, along with writing, of the civilization and a component of political, economical, humanitarian development of any state, as a keystone of full-fledged personal development. The dictionary comprises 371 definitions revealing various aspects of reading as a concept. The dictionary is intended for scientists and researchers, lecturers, teachers, librarians, under- and post-graduate students, for everyone who regards reading as “invaluable treasure” for a person and the humankind on the whole.

One step forward, two steps back

2016 ◽  
Vol 22 (5) ◽  
pp. 228-231
Author(s):  
N. P Shabalov ◽  
L. V Erman ◽  
P. D Vaganov ◽  
Al’mira D. Donetskova
Keyword(s):  
Graduate Training ◽  
Post Graduate ◽  
Pediatric Education ◽  
The World ◽  
Post Graduate Training ◽  
History Of ◽  
One Step ◽  
First Time

The article presents the history of Russian system of maternity and children care, including pediatric education organized for the first time in the world. the particular considerations concerning post-graduate training are exposed.

Models and Strategies to Support Students’ Initial Socialization in Web-Based Learning Environments

2011 ◽  
pp. 82-98 ◽  
Author(s):  
Stefania Manca ◽  
Luca Vanin
Keyword(s):  
Learning Environments ◽  
Communication Technologies ◽  
Learning System ◽  
Graduate Courses ◽  
Written Discourse ◽  
Web Based ◽  
Post Graduate ◽  
Web Based Learning ◽  
First Time ◽  
Support Students

Entering a learning system based on CSCL models may be a challenging experience. Beginner users are required to accomplish several tasks for the first time, such as learning to communicate by written discourse in an asynchronous manner, as well as becoming familiar with communication technologies and with the learning system. In order to support their initial steps several measures, which focus mainly on socialization with peers and instructors/tutors and familiarization with the learning system, may be adopted. The focus of this chapter is to present a model and some related strategies to support students’ initial socialization and familiarization in web-based learning environments. Such strategies have been developed and implemented by the authors over several years of experience as designers and instructors in graduate and post-graduate courses in Italy.

scholarly journals Stratigraphy and structural framework of the Sub-Himalaya, Bagmati River region, Central Nepal

1996 ◽  
Vol 13 ◽  
Author(s):  
T. P. Adhikary ◽  
L. N. Rimal
Keyword(s):  
Sedimentary Rocks ◽  
Middle Part ◽  
Central Nepal ◽  
Structural Framework ◽  
River Region ◽  
Siwalik Group ◽  
Bagmati River ◽  
Basic Rocks ◽  
First Time

The Sub-Himalaya in the Bagmati River region of central Nepal consists of two groups of rocks very different in age and characters. The Bagmati Group, an assemblage of pre-Siwalik rocks are found within the Siwalik Group. The Bagmati Group consists of sedimentary rocks, metasediments and basic rocks. The Siwalik Group is divided into the Lower, Middle and Upper Siwaliks. The Upper Siwalik is further subdivided into the Gadhan Khola, Chiruwa Khola and Bhainse Khola Formations. Vertebrate fossils were found in the lower and middle part of the Upper Siwaliks. An index fossil identified as Elephas planifrons was discovered for the first time in this region from a massive sandstone bed belonging to the upper part of the Upper Siwaliks. A conglomerate horizon with predominantly Siwalik sandstone clasts occur at the uppermost level of the Siwalik Group exposed in the southern belt. They in turn are unconformably overlain by flat lying younger Dun gravels. The Sub-Himalayan rocks are distributed into the northern and the southern belts, separated by the Chaura-Marin Thrust. The northern belt is characterised by a number of thrusts and faults resulting in the cropping out of the Bagmati Group sediments and the repetition of the formations of the Siwalik Group. The southern belt shows largely north dipping sequences from the Lower to the Upper Siwaliks. Both the belts show plunging folds in the vicinity of the thrusts. Several NW-SE, NE-SW and N-S trending faults have cut across the entire Siwalik Range.

Annulate lamellae in the Sertoli cells of guinea pig testis after unilateral torsion of the spermatic cord

1984 ◽  
Vol 42 ◽  
pp. 196-197
Author(s):  
J. Chakraborty ◽  
A. P. Sinha Hikim ◽  
J. S. Jhunjhunwala
Keyword(s):  
Sertoli Cells ◽  
Guinea Pigs ◽  
Spermatic Cord ◽  
Present Report ◽  
Cell Types ◽  
Annulate Lamellae ◽  
Spermatogenic Cells ◽  
Electron Microscopic ◽  
Structural Details ◽  
First Time

Although the presence of annulate lamellae was noted in many cell types, including the rat spermatogenic cells, this structure was never reported in the Sertoli cells of any rodent species. The present report is based on a part of our project on the effect of torsion of the spermatic cord to the contralateral testis. This paper describes for the first time, the fine structural details of the annulate lamellae in the Sertoli cells of damaged testis from guinea pigs.One side of the spermatic cord of each of six Hartly strain adult guinea pigs was surgically twisted (540°) under pentobarbital anesthesia (1). Four months after induction of torsion, animals were sacrificed, testes were excised and processed for the light and electron microscopic investigations. In the damaged testis, the majority of seminiferous tubule contained a layer of Sertoli cells with occasional spermatogonia (Fig. 1). Nuclei of these Sertoli cells were highly pleomorphic and contained small chromatinic clumps adjacent to the inner aspect of the nuclear envelope (Fig. 2).

Electron spectroscopic imaging and diffraction

1991 ◽  
Vol 49 ◽  
pp. 706-707
Author(s):  
M. Rühle ◽  
J. Mayer ◽  
J.C.H. Spence ◽  
J. Bihr ◽  
W. Probst ◽  
...  
Keyword(s):  
Materials Science ◽  
Electron Spectroscopic Imaging ◽  
Magnetic Filter ◽  
Magnetic Imaging ◽  
Illumination System ◽  
Probe Size ◽  
Diffraction Patterns ◽  
Fritz Haber ◽  
Koehler Illumination ◽  
First Time

A new Zeiss TEM with an imaging Omega filter is a fully digitized, side-entry, 120 kV TEM/STEM instrument for materials science. The machine possesses an Omega magnetic imaging energy filter (see Fig. 1) placed between the third and fourth projector lens. Lanio designed the filter and a prototype was built at the Fritz-Haber-Institut in Berlin, Germany. The imaging magnetic filter allows energy-filtered images or diffraction patterns to be recorded without scanning using efficient area detection. The energy dispersion at the exit slit (Fig. 1) results in ∼ 1.5 μm/eV which allows imaging with energy windows of ≤ 10 eV. The smallest probe size of the microscope is 1.6 nm and the Koehler illumination system is used for the first time in a TEM. Serial recording of EELS spectra with a resolution < 1 eV is possible. The digital control allows X,Y,Z coordinates and tilt settings to be stored and later recalled.

A Novel TEM Technique for Characterizing As-Grown CVD Diamond Films

1991 ◽  
Vol 49 ◽  
pp. 956-957 ◽  
Author(s):  
Z.L. Wang ◽  
J. Bentley ◽  
R.E. Clausing ◽  
L. Heatherly ◽  
L.L. Horton
Keyword(s):  
Diamond Films ◽  
Chemical Vapor ◽  
Growth Direction ◽  
Dark Field ◽  
Growth Surface ◽  
Specimen Preparation ◽  
Transmission Electron ◽  
Diffraction Patterns ◽  
First Time ◽  
Microstructural Studies

Microstructural studies by transmission electron microscopy (TEM) of diamond films grown by chemical vapor deposition (CVD) usually involve tedious specimen preparation. This process has been avoided with a technique that is described in this paper. For the first time, thick as-grown diamond films have been examined directly in a conventional TEM without thinning. With this technique, the important microstructures near the growth surface have been characterized. An as-grown diamond film was fractured on a plane containing the growth direction. It took about 5 min to prepare a sample. For TEM examination, the film was tilted about 30-45° (see Fig. 1). Microstructures of the diamond grains on the top edge of the growth face can be characterized directly by transmitted electron bright-field (BF) and dark-field (DF) images and diffraction patterns.

A microscopic marker experiment study on high temperature oxidation of Ni-Al alloy

1986 ◽  
Vol 44 ◽  
pp. 514-515
Author(s):  
Shou-kong Fan
Keyword(s):  
Transport Mechanism ◽  
High Temperature Oxidation ◽  
Transverse Section ◽  
Al Alloy ◽  
Metal Interface ◽  
Electron Microscopic ◽  
Temperature Oxidation ◽  
Analytical Electron ◽  
Microscopic Studies ◽  
First Time

Transmission and analytical electron microscopic studies of scale microstructures and microscopic marker experiments have been carried out in order to determine the transport mechanism in the oxidation of Ni-Al alloy. According to the classical theory, the oxidation of nickel takes place by transport of Ni cations across the scale forming new oxide at the scale/gas interface. Any markers deposited on the Ni surface are expected to remain at the scale/metal interface after oxidation. This investigation using TEM transverse section techniques and deposited microscopic markers shows a different result,which indicates that a considerable amount of oxygen was transported inward. This is the first time that such fine-scale markers have been coupled with high resolution characterization instruments such as TEM/STEM to provide detailed information about evolution of oxide scale microstructure.

Sign in / Sign up

Export Citation Format

Share Document