177,533 research outputs found
New species of Dinophyceae from Indian waters. I. The genera Haplodiniurn Klebs emend. Subrahmanyan and Mesoporos Lillick
No full textIn an earlier paper on the phytoplankton organisms of the west coast
of India, mention was made of several new taxa (Subrahmanyan, 1958).
It is well known that even the finest bolting silk net does not retain all
the organisms ih the water and quite a lot-the nanoplankton-escape
through the meshes. Such organisms amount to as much as 50 per cent
of the total quantity of phytoplankters and are of great importance
in the economy of the waters (Subrahmanyan and Sarma, 1966). In the
present account, four new species belonging to this nanoplankton category
are described, three of the genus Haplodinium Klebs emend. Subrahmanyan
and one of the genus Mesoporos Lillick; so far, only one species of the former
is known from Java; of the latter, only five species, all from Europe
(Schiller, 1933-38 and others under references)
New species of Dinophyceae from Indian waters. I. The genera Haplodiniurn Klebs emend. Subrahmanyan and Mesoporos Lillick
No full textIn an earlier paper on the phytoplankton organisms of the west coast of India, mention was made of several new taxa (Subrahmanyan, 1958). It is well known that even the finest bolting silk net does not retain all the organisms ih the water and quite a lot-the nanoplankton-escape through the meshes. Such organisms amount to as much as 50 per cent of the total quantity of phytoplankters and are of great importance in the economy of the waters (Subrahmanyan and Sarma, 1966). In the present account, four new species belonging to this nanoplankton category are described, three of the genus Haplodinium Klebs emend. Subrahmanyan and one of the genus Mesoporos Lillick; so far, only one species of the former is known from Java; of the latter, only five species, all from Europe (Schiller, 1933-38 and others under references)
Synchronization over Ethernet and IP in next-generation networks
No full textSince the 1970s and ’80s, most telecommunications operators
have set up synchronization networks to synchronize
their switching and transmission equipment.
It has been recognized that the importance of network synchronization goes even further than SDH and legacy telephone networks: asynchronous transfer mode (ATM) and cellular mobile telephone networks (Global System for Mobility [GSM], Global Packet Radio Services [GPRS], Universal Mobile Telecommunications Services [UMTS]) are two striking examples where the availability of network synchronization references has been proven to significantly affect the quality of service.
The recent migration of network operators to the packet-
switched next-generation network (NGN) once again
poses newer and even more difficult problems for network
synchronization.
This widens the scope of interest in synchronization
beyond specialists, reaching the wider audience
of telecommunications engineers in general. An
example is the distribution of synchronization to next-generation
wireless base stations, which are connected to the
core network only via packet-switched networks, but still
require highly accurate synchronization to meet standard
quality of service expectations
Not Available
No full textNot AvailableIn an earlier paper on the phytoplankton organisms of the west coast
of India, mention was made of several new taxa (Subrahmanyan, 1958).
It is well known that even the finest bolting silk net does not retain all
the organisms ih the water and quite a lot-the nanoplankton-escape
through the meshes. Such organisms amount to as much as 50 per cent
of the total quantity of phytoplankters and are of great importance
in the economy of the waters (Subrahmanyan and Sarma, 1966). In the
present account, four new species belonging to this nanoplankton category
are described, three of the genus Haplodinium Klebs emend. Subrahmanyan
and one of the genus Mesoporos Lillick; so far, only one species of the former
is known from Java; of the latter, only five species, all from Europe
(Schiller, 1933-38 and others under references).Not Availabl
On the life-history and ecology of Hornellia marina gen. et sp. nov., (chloromonadineae), causing green discoloration of the sea and mortality among marine organisms off the Malabar coast
No full textThere are many published accounts dealing with " red ", " yellow " and
" pink " discoloration of the sea water, caused by the occurrence in swarms
of micro-organisms, particularly members of the Dinophyceae (cf. Hayes
and Austin, 1951). Some of these organisms are known to affect the fishery
adversely. Green discoloration of the sea, however, has not been recorded
frequently. Swarms of Noctiluca harbouring a green flagellate have been
recorded as having rendered the sea green by Weber and Weber van-Bosse
(1890), Delsman (1939-40), Prasad (1953) and recently by Subrahmanyan
(1953)
On Ruttnera pringsheirnii sp. nov. (Chrysophyceae) from the Coastal Waters of India
No full textThe alga which forms the subject of this account occurs in the coastal
waters of India and has been observed in the plankton collection during
the last eleven years. On one occasion, in March 1955, there was a bloom
of this alga in the sea off Calicut on the west coast', discolouring the
water yellowish-green. Unlike in several other instances (SUBRAHMANYAN
1959, pp. 159-160), in this instance, no deleterious effect was noticed
on other marine organisms during the intense bloom of this alga
Not Available
No full textNot AvailableThere are many published accounts dealing with " red ", " yellow " and
" pink " discoloration of the sea water, caused by the occurrence in swarms
of micro-organisms, particularly members of the Dinophyceae (cf. Hayes
and Austin, 1951). Some of these organisms are known to affect the fishery
adversely. Green discoloration of the sea, however, has not been recorded
frequently. Swarms of Noctiluca harbouring a green flagellate have been
recorded as having rendered the sea green by Weber and Weber van-Bosse
(1890), Delsman (1939-40), Prasad (1953) and recently by Subrahmanyan
(1953).Not Availabl
Experimental verification of anomalous spectral features of SKALA4.1 antenna
No full textIn this communication, we present a detailed measurement process of the SKALA4.1 antenna frequency response as the S_21 of its coupling with a reference antenna in an anechoic chamber environment. This is the first experimental evidence of anomalous spectral features of SKALA4.1 antenna. We validate the consistency of the results by examining the error between measurement and a corresponding FEKO simulation. Finally, we pinpoint all the spectral features inherent in SKALA4.1 antenna and examine their occurrence in measurement and simulation
Effect of Chattonella marina [(Subrahmanyan)Hara et Chihara 1982] bloom on the coastal fishery resources along Kerala coast, India.
No full textEffect of Chattonella marina [(Subrahmanyan)Hara et Chihara 1982] bloom on the coastal fishery resources along Kerala coast, India
Not Available
No full textNot AvailableThe alga which forms the subject of this account occurs in the coastal
waters of India and has been observed in the plankton collection during
the last eleven years. On one occasion, in March 1955, there was a bloom
of this alga in the sea off Calicut on the west coast', discolouring the
water yellowish-green. Unlike in several other instances (SUBRAHMANYAN
1959, pp. 159-160), in this instance, no deleterious effect was noticed
on other marine organisms during the intense bloom of this alga.Not Availabl
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