However, cable often lacks " interactive " features ( e. g. text services, and extra video-screens ), especially on BSkyB owned channels, and the satellite platform lacks services requiring high degrees of two-way communication, such as true video on demand.

However, some have suggested that CSF flow along the cranial nerves and spinal nerve roots allow it into the lymphatic channels ; this flow may play a substantial role in CSF reabsorbtion, in particular in the neonate, in which arachnoid granulations are sparsely distributed.

However, broadcasters may choose to reduce these resolutions to save bandwidth ( e. g., many DVB-T channels in the United Kingdom use a horizontal resolution of 544 or 704 pixels per line ).

However, the availability of a back catalogue of films on video also allowed for a different relationship between the viewer and an individual film, while private TV channels brought new money into the film industry and provided a launch pad from which new talent could later move into film.

However, on some channels in some countries ( such as the United Kingdom ), films with an aspect ratio of more than 1. 85: 1 are panned and scanned to fit the broadcast 1. 78: 1 ratio.

However, modern integrated-circuit digital signal processing ( DSP ) technology could be used to build autocorrelation receivers to check far more channels.

However, computer networks were still limited, and media were usually delivered over non-streaming channels, such as by downloading a digital file from a remote server and then saving it to a local drive on the end user's computer or storing it as a digital file and playing it back from CD-ROMs.

However, most cable systems could not accommodate the full 54-890 MHz VHF / UHF frequency range and the twelve channels of VHF space were quickly exhausted on most systems.

However, pollutants still flow into the river from many of its tributaries and man-made drains or channels.

However, most of these restrictions on private Kurdish television channels were relaxed in September 2009.

However Todd-AO has six channels instead of the four of Cinemascope and due to the wider stripes and faster film speed provides superior audio quality.

However these " blow-ups " rarely used the full six channels of the Todd-AO system and instead used the four-track mixes made for 35 mm prints, the additional half-left and half-right speakers of the Todd-AO layout being fed with a simple mix of the signals intended for the adjacent speakers ( known as a " spread ") or simply left blank.

However, the APA rejected a stronger resolution that sought to prohibit “ all psychologist involvement, either direct or indirect, in any interrogations at U. S. detention centers for foreign detainees or citizens detained outside normal legal channels .” That resolution would have placed the APA alongside the American Medical Association and the American Psychiatric Association in limiting professional involvement in such settings to direct patient care.

However, by the end of 2013, there will be no television channels broadcasting on the VHF bands.

However, the mechanism of the secretion of intra-vesicular contents out of the cell is very different from the incorporation of ion channels, signaling molecules, or receptors at the cell membrane.

However, unavoidable natural flaws, channels, and cracks in the bark make the cork itself highly inconsistent.

However, in November 1981 ( after high-profile public demonstrations ) 40 frequencies unique to the UK, known as the 27 / 81 Bandplan using FM were allocated at 27 MHz plus 20 channels on 934 MHz ( 934. 0125 to 934. 9625 MHz with 50-kHz-spacing ).

However in September 2011, SkiSat Cable was purchased by Time Warner Cable of Plymouth, _New_Hampshire and apparently dropped most of the Boston channels execept for WBZ and WHDH on January 1, 2012 and replaced them with Burlington, _Vermont TV stations which include WCAX-TV, WVNY, Vermont Public Television, WFFF-TV, and WNNE.

However, there are still several free channels from DR, and a few from TV 2.

However, in the 1980s, the competition became seen as old-fashioned and politically incorrect in its native Britain, and despite its global appeal, stopped showing on British television until Channel 5 aired it briefly in 1998, then shifted between lesser-known satellite channels, and is now webcast only and little-known in Britain.

However, membrane pumps and ion channels also contain numerous charged and polar residues within the generally non-polar transmembrane segments.

However, their model considers only two types of voltage-sensitive ion channels, and makes several assumptions about them, e. g., that their internal gates open and close independently of one another.

However, the same raised voltage that opened the sodium channels initially also slowly shuts them off, by closing their pores ; the sodium channels become inactivated.

However, their performance differs greatly when comparing frequency-selective and frequency-flat fading channels.

However, in recent decades, for what doubtless are multiple reasons, an unannounced but nonetheless readily observable shift has occurred in both facets of national activity.

However, in the context of legal and civic policy, these controversies are less than novel.

However, despite the insight of many of his observations, his own conclusions are open to suspicion because of his failure to employ at all times the correct research methods.

However, there are still several types of calls that necessitate the use of telephone operators.

However, he states unequivocally `` the scandals in business are far less significant than the scandals in labor ''.

However, few are taxed, and the owners and location of most boats are unknown to the assessors on the date of assessment of town valuations.

However, the surface temperature gradient can produce erroneous vapor-pressure measurements for the bulk liquid helium unless precautions are taken to isolate the tube ( which passes through the surface to the vapor pressure bulb ) from the liquid helium surface.

However, if their United States income is not subject to the withholding of tax on wages, their returns are due June 15, 1962, if they use a calendar year, or the 15th day of the 6th month after the close of their fiscal year.

However, the aircraft which we have today are tied to large, `` soft '' airfields.

However, some formulas are used more than others.

However, there is also much to be gained by making use of the abilities of the local people who are available and interested in recreation.

However, there are photographs of suspended drops of cyclohexanol phthalate ( viscosity 155 poises ) suspended in corn syrup of 71 poises in a paper by Mason and Bartok.

However, any oxygen nonequivalence would shorten either the already extremely short Af interlayer distance of 2.55 A or the non-hydrogen-bonded Af interlayer interactions which are already quite short at 2.58 Aj.

However, as so many of the records are not certainly based on newborn snakes, these data must be taken tentatively ; ;

However, if these procedures are applied more often, conditioned emotional responses are temporarily abolished.

However, it cannot be presumed, informal though the structure of the population seems, that there are not well-defined roles within the system.

However, the differences in procedure are fundamental.

However, the regionally differentiated results, which appear below in tables, are interesting evidence of the problems of developing self-government under even the most favorable circumstances.

However, if Federal funds are used, it would be entirely appropriate to train workers for jobs which could be obtained elsewhere as well as for jobs in the area of chronic unemployment.

However, it is not known to either the union or the public precisely how much of a cost increase is caused by a given change in the basic wage rate, although the companies are presumed to have reliable estimates of this magnitude.

However, there are relatively few such political constituencies, and, as has been pointed out, there is seldom a clear-cut distinction between the educational interests of one social class and those of another.

However, modesty and triviality are different qualities.

`` However, evidence that the Axis powers are making significant preparations indicative of such an intention is being reported with increasing frequency from a variety of sources.