Anu, Gopinath; Chandramohanakumar, N(Department of Chemical Oceanography,School of Marine Sciences, 2002)
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Abstract:
The present study focuses on the biochemical aspects of six islands belonging to Lakshadweep Archipelago – namely Kavaratti, Kadamath, Kiltan, Androth, Agathy and Minicoy. Lakshadweep, which is an area biologically significant due to isolation from the major coastline, remains as one of the least studied areas in Indian Ocean. The work, processed out the distributional pattern of trace metals among the biotic (corols, sea weeds and sea grass) and abiotic component (sediments) of ecosystem. An effort is made to picturise the spatial distribution pattern of different forms of nitrogen and phosphorus in the various sedimentary environments of the study area. Studies on the biogeochemical and nutrient aspects of the concerned study area scanty. In Lakshadweep, the local life is very dependent on reefs and its resources. The important stress which produce a threatening effort on the existence for coral reefs are anthropogenic-namely-organic and inorganic pollution from sewage, agricultural and industrial waters, sediment damage from excessive land cleaning, and over exploitation particularly through destructive fishing methods. In addition these one other more localized or less service anthropogenic stress: pollution by oil and other hydrocarbons, complex organic molecular and heavy metal pollution, and destructive engineering practices.
Zachariah,E J; Dr.Nair, K G(Cochin University of Science And Technology, August , 1981)
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Abstract:
The need for improved feed systems for large reflector antennas employed in Radio Astronomy and Satellite tracking spurred the interest in horn antenna research in
the 1960's. The major requirements were to reduce spill over, cross-polarisation losses,and to enhance the aperture efficiency to the order of about 75-8O%L The search for such a feed culminated in the corrugated horn. The corrugat1e 1 horn triggered widespread interest and enthusiasm, and a large amount of work(32’34’49’5O’52’53’58’65’75’79)has already been done on this type of antennas. The properties of corrugated surfaces has been investigated in detail.
It was strongly felt that the flange technique and the use of corrugated surfaces could be merged together to obtain the advantages of both. This is the idea behind the present work. Corrugations are made on the surface of flange elements. The effect of various corrugation parameters are studied. By varying the flange parameters, a good amount of data is collected and analysed to ascertain the effects of corrugated flanges. The measurements are repeated at various frequencies, in the X— and S-bands. The following parameters of the system were studied: (a) beam shaping (b) gain (c) variation of V.S.U.R. (d) possibility of obtaining circularly polarised
radiation from the flanged horn. A theoretical explanation to the effects of corrugated flanges
is attempted on the basis of the line-source theory. Even though this theory utilises a simplified model for the calculation of radiation patterns, fairly good agreement between the computed pattern and experimental results are observed.
Description:
Department of physics, Cochin University of Science And Technology
Sundaresan, P K; Dr.Rajendra Prasad, P N(Cochin University of Science And Technology, January , 1993)
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Abstract:
It is a fact that there now exists a sound framework of accounting theory
to ascertain the working results and the investment status of hospitals.
Yet, there is no system of accounting in practice to conduct its
activities with utmost efficiency. No attempts have hitherto been made
for the continuous improvement in the servics rendered by hospitals.
Personal investments in hospitals have made the interaction of business
to some extent.Planning, decision making and control assume increasing
importance as hospitals grow in size and complexity. Moreover, wise and
effective utilisation of resources should be ensured. The importance of
cost cannot be overlooked in this context. Cost is the most effective
factor in the determination of the prices of hospital services rendered.
The important managerial functions have to rely heavily on accurate and
timely cost information. More people can be provided with services if no
services cost more than what is a must to provide the necessary level of
care. The price paid for high cost technology for a few is no technology
at all for the many. Hence no pains must be spared in ascertaining,
presenting, controlling and reducing costs. An effective system of Cost
Accountancy and Cost Control is imperative for the survival of hospitals
in the intensely competitive conditions of today. The valuable objective
of "better patient care" can be attained only if the management can make
use of the various tools and techniques to ascertain, control and reduce
each item of cost in hospitals. Constant efforts must be made by the
management to continuously improve their services and bring down costs
and prices of all hospital services. Cost Accountancy has made its
impresssive impact on almost all the spheres of human activities. It is
high time a comprehensive Cost Accountancy and Cost Control system be
implemented in hospitals. The problem under study thus is the designing
of a sound and full-fledged Cost Accountancy and Cost Control system that
suits the requirements of hospitals. It is for the first time in India
during the evolution of Cost Accountancy that a comprehensive cost system
is tried in hospitals.
Description:
school of management studies, Cochin University of Science And Technology
Suma, N; Dr.Rani,Joseph(Cochin University of Science And Technology, July , 1992)
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Abstract:
Attempts have been made to attain satisfactory
network structures in each of the phases of a rubber blend
by minimising the cure rate imbalance by employing methods
such as grafting of accelerators to the slow curing rubber,
chemically bonding the crosslinking agents to the rubber in
which it has lower solubility, functionalisation of the slow
curing rubber, masterbatching of the curing agents
to the slow curing rubber etc. Functionalisation of
the slow curing constituents of NR/IIR and NR/EIPDM blends
is tried using novel reagents as the first part of this
study. However, the crux of the present study is a more
direct approach to attaining a covulcanized state in NR/IIR
and NR/EPDM blends: Precuring the slow curing rubber (IIR
or EPDM) to a low level when it can still blend with NR and
then to ck) the final curing after blending with NR. TNM3
precuring is also likely to minimise the viscosity mismatch.
Since a low level of resmmal crosslink density is likely to
be present lJ1 reclaimed rubbers, blending heat resistant
reclaimed rubber such as butyl reclaim with NR may also have
the same effect of precuring IIR, and then blending with NR.
Hence use of IIR reclaim for developing blends with NR is
also proposed to be investigated in this study
Description:
Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology
Arul, K; Dr.Chandrasekharan Pillai, K N(Cochin University of Science and Technology, May 30, 1998)
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Abstract:
The Union Territory of Pondicherry prior to its merger with the Indian
Union was a French Colony. The erstwhile territory of Pondicherry along with
its hamlets, namely, KARAIKKAL, MAHE and YANAM was administered by the
French Regime. Before it was established by French in 1 6 74 A.D. it was part of
Vijayanagara Empire. Prior to this, Pondicherry was a part of the Kingdom of
Chola and Pallava Kings. During French Regime, the laws which were in force in France in relation to administration of civil and criminal justice were extended to the erstwhile
Territory of Pondicherry. Thus while Pondicherry stood influenced by the
Inquisitorial system since the beginning of the 18th century, the neighboring
states forming part of the Indian Union since Independence came under the
Influence of the British system, viz. accusatorial system.
The territory of Pondicherry, for administrative reasons, came to be
merged with the Indian Union in the early 60's. Following the merger, the Indian
administration sought to extent its own laws from time to time replacing erstwhile
French Laws, however, subject to certain savings. Thus the transitional period
witnessed consequential changes in the administration of the territory, including
the sphere of judicial system. Since I 963, the Union Territory of Pondicherry was
brought under the spell of the Indian Legal System The people in Pondicherry ' thus have had the benefit of experiencing both the svstems. Their experiences will be of much help to those who undertake comparative studies in law. The plus and minus points of the respective systems
help one to develop a detachment that helps independent evaluation of the
svstents. The result of these studies could be relevant in revitalising our criminal
systems.The present system is evaluated in the light of the past system. New
dimensions are added by way' of an empirical study also.
Description:
School of Legal Studies, Cochin
University of Science and Technology
Abdul, Salam V H; Dr.Babu,Jose T(Cochin University of Science and Technology, November , 1999)
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Abstract:
Chapter 1 presents a brief note on the state at which the construction industry
stands at present, bringing into focus the significance of the critical study. Relevance
of the study, area of investigation and objectives of the study are outlined in this
chapter. The 2nd chapter presents a review of the literature on the relevant areas.
In the third chapter an analysis on time and cost overrun in construction
highlighting the major factors responsible for it has been done. A couple of case
studies to estimate loss to the nation on account of delay in construction have been
presented in the chapter. The need for an appropriate estimate and a competent
contractor has been emphasised for improving effectiveness in the project
implementation. Certain useful equations and thoughts have been formulated on this
area in this chapter that can be followed in State PWD and other Govt. organisations.
Case studies on project implementation of major projects undertaken by
Government sponsored/supported organizations in Kerala have been dealt with in
Chapter 4. A detailed description of the project of Kerala Legislature Complex with a
critical analysis has been given in this chapter. A detailed account of the investigations carried out on the construction of International Stadium, a sports project
of Greater Cochin Development Authority is included here. The project details of
Cochin International Airport at Nedumbassery, its promoters and contractors are also
discussed in Chapter 4.
Various aspects of implementation which led the above projects successful have
been discussed in chapter 5. The data collected were analysed through discussion and
perceptions to arrive at certain conclusions. The emergence of front-loaded contract
and its impact on economics of the project execution are dealt with in this chapter.
Analysis of delays in respect of the various project narrated in chapter 3 has been done
here. The root causes of the project time and overrun and its remedial measures are
also enlisted in this chapter.
Study of cost and time overrun of any construction project IS a part of
construction management. Under the present environment of heavy investment on
construction activities in India, the consequences of mismanagement many a time lead
to excessive expenditure which are not be avoidable. Cost consciousness, therefore has
to be keener than ever before. Optimization in investment can be achieved by
improved dynamism in construction management. The successful completion of
coristruction projects within the specified programme, optimizing three major attributes
of the process - quality, schedule and costs - has become the most valuable and
challenging task for the engineer - managers to perform. So, the various aspects of
construction management such as cost control, schedule control, quality assurance,
management techniques etc. have also been discussed in this fifth chapter.
Chapter 6 summarises the conclusions drawn from the above criticalr1 of rhajor
construction projects in Kerala.
Description:
School of Engineering,Cochin University of Science and Technology
Aiswarya, N.; Dr. M.R. Prathapachandra Kurup(Cochin University of Science and Technology, April 10, 2016)
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Abstract:
The current scenario of coordination chemistry is witnessing the exploitation
of coordination bonds and noncovalent interactions to generate self-assemblies of
various dimensions having not only aesthetic values but also countless applications
and that paved way for supramolecular chemistry/crystal engineering. Most of
such fascinating work employs Schiff bases obtained by the condenzation of an
amine and a carbonyl compound. The use of diamines in the synthesis of highnuclearity
complexes utilizes the bridging capacity of phenoxo atoms. Whereas in
the case of N2O donor tridentate Schiff bases (N-substituted diamines with
salicylaldehyde or its derivatives), coligands are employed to generate structures of
variable composition apart from satisfying the coordination number. Among the
various coligands known, pseudohalides (azido, cyanato, thiocyanato, dicyanamido)
deserve special attention on account of its versatile modes of binding. In addition
to the structural variety, such Schiff base complexes have its signature in the field
of catalysis, luminescence, gas adsorption and magnetic materials which make the
arena conspicuous. The recognition of plasticity of copper(II) metal with respect to
its coordination number and its ubiquitous nature as active sites in many metalloenzymes
fuelled us to work with this metal. The results of our efforts to explore
the role of various interaction forces constitute the subject matter of the thesis
entitled “Crystalline architectures of copper(II) complexes derived from halogen
substituted carbonyl compounds: Interplay of covalent and non-covalent forces”.
The work embodied in this thesis was carried out by the author in the Department of
Applied Chemistry, CUSAT, Kochi, during the period 2011-2016 and is divided into
eight chapters.
Jinsa, Jacob Mary; Dr.Prathapachandra Kurup,M R(Cochin University Of Science And Technology, September , 2013)
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Abstract:
Thiosemicarbazones have emerged as an important class of ligands
over a period of time, for a variety of reasons, such as variable donor
properties, structural diversity and biological applications. Interesting as
the coordination chemistry may be, the driving force for the study of these
ligands has undoubtedly been their biological properties and the majority
of the 3000 or so publications on thiosemicarbazones since 2000 have
alluded to this feature. Thiosemicarbazones with potential donor atoms in
their structural skeleton fascinate coordination chemists with their versatile
chelating behavior. The thiosemicarbazones of aromatic aldehydes and
ketones form stable chelates with transition metal cations by utilizing both
their sulfur and azomethine nitrogen as donor atoms. They have been
shown to possess a diverse range of biological activities including
anticancer, antitumor, antibacterial, antiviral, antimalarial and antifungal
properties owing to their ability to diffuse through the semipermeable
membrane of the cell lines. The enhanced effect may be attributed to the
increased lipophilicity of the metal complexes compared to the ligand
alone.
Description:
Department of Applied Chemistry, Cochin University of Science and Technology
Jessy Emmanuel; Dr.Prathapachandra Kurup,M R(Cochin University Of Science And Technology, July 26, 2012)
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Abstract:
Supra molecular architectures of coordination complexes of liydrazones
through non covalent interactions have been explored. Molecular self—assernbly
driven by weak interactions such as hydrogen— bonding, K '”T[, C-1-I‘ "TE, van
der Waals interactions, and so forth are currently of tremendous research
interest in the fields of molecule based materials. The directional properties of
the hydrogembonding interaction associate discrete molecules into aggregate
structures that are sufficiently stable to be considered as independent chemical
species. Chemistry can borrow nature’s strategy to utilize hydrogen-bonding as
Well as other noncovalent interactions as found in secondary and tertiary
structures of proteins such as the double helix folding of DNA, hydrophobic
selflorganization of phospholipids in cell membrane etc. In supramolecular
chemistry hydrogen bonding plays an important role in forming a variety of
architectures. Thus, the wise modulation and tuning of the complementary sites
responsible for hydrogen—bond formation have led to its application in
supramolecular electronics, host-guest chemistry, self-assembly of molecular
capsules, nanotubes etc. The work presented in this thesis describes the synthesis and
characterization of metal complexes derived from some substituted
aroylhydrazones. The thesis is divided into seven chapters.
Description:
Department of Applied Chemistry, Cochin University of Science and
Technology