While most urban and suburban transport in Bulgaria is composed of buses ( using an increasing number of CNG vehicles ), around a dozen cities also have trolley bus networks.

While the predominance of unit operations in chemical engineering courses in Britain and the United States continued until the 1960s, transport phenomena started to experience greater focus.

While captured supplies proved useful, water and ammunition were constantly in short supply while a shortage of transport impeded the distribution of the supplies that the Axis forces did have.

While the first use of a roundel in a London transport context was the 19th-century symbol of the London General Omnibus Company – a wheel with a bar across the centre bearing the word GENERAL – its use on the Underground stems from the decision in 1908 to find a more obvious way of highlighting station names on platforms.

While the reason for this underabundance is not yet fully understood, one possibility is that convection in stellar interiors can ' overshoot ' into regions where radiation is normally the dominant mode of energy transport.

While remote, rural areas still largely depend on non-mechanized means of transport, a modern maglev train system was built in China to connect the city center of Shanghai with its international airport.

While many of the World Bank mission's recommendations were much argued both locally and internationally this proposal was widely accepted as it was clear that both political and economic advancement depended on greatly improved land, sea and air transport.

While the number of cars since 1989 has at least doubled, the policy of improving public transport gave good effects.

While they are commonly used for small parcels and documents – now most often used as cash carriers at banks or supermarkets – they were originally proposed in the early 19th century for transport of heavy freight.

While the transport can be easier investigated with patch clamp techniques, vesicles can also be isolated from objects for that the patch clamp is not applicable.

While several characters have asserted that transporters cannot transport through a ship's shields or planetary defense shields, there are instances of this " rule " being broken through a technobabble solution ( TNG: " The Wounded ", DS9: " Trials and Tribble-ations ") or disregarded by the show's writers ( VOY: " Caretaker ").

While wider tracheids with robust walls make it possible to achieve higher water transport pressures, this increases the problem of cavitation.

While several vendors had already added support for NFS Version 2 with TCP as a transport, Sun Microsystems added support for TCP as a transport for NFS at the same time it added support for Version 3.

While some areas ambulances were staffed by advanced first-aid-level responders, in other areas, it was common for the local undertaker, having the only transport in town in which one could lie down, to operate both the local furniture store ( where he would make coffins as a sideline ) and the local ambulance service.

While the Eighteenth Amendment to the United States Constitution prohibited the production, sale, and transport of " intoxicating liquors ", it did not define " intoxicating liquors " or provide penalties.

While Papon claimed that he had worked to grant humane conditions of transport to the camp of Mérignac, historians testified that his concerns were motivated by efficiency.

While running on a transport based upon IP, the SIGTRAN protocols are not an SS7 variant, but simply transport existing national and international variants of SS7.

While the routes in Nevada will be public, in the other states the planned routes, dates and times of transport will be secret for security reasons.

While most of his research bears on the subjects just mentioned, other research deals with the birds of Greenland ( Sabine's Gull is named for him ), ocean temperatures, the Gulf Stream, barometric measurement of heights, arc of the meridian, glacial transport of rocks, the volcanoes of the Hawaiian Islands, and various points of meteorology.

While they use little energy, the transport can take a very long time.

While is of great practical importance, being the overall measure of gas transport, the interpretation of this measurement is complicated by the fact that it does not measure any one part of a multi-step process.

While waste transport within a given country falls under national regulations, trans-boundary movement of waste is often subject to international treaties.

While Protogeometric vases usually turn up, especially outside Greece proper, together with as many or more examples of local stamp, these `` non-Greek '' patterns had mostly vanished by the later ninth century.

While Republicans were discouraged, Democrats were energized and did especially well in Pennsylvania, Ohio, Indiana, and New York.

While strong forms of the various dialects are not normally fully comprehensible to Northern Germans, communication is much easier in Bavaria, especially rural areas, where Bavarian dialect still predominates as the mother tongue.

" While chemical issues in the brain that result in anxiety ( especially resulting from genetics ) are well documented, this study highlights an additional environmental factor that may result from being raised by parents suffering from chronic anxiety.

While the Society was oriented toward an Eastern and especially Indian approach, Steiner was trying to develop a path that embraced Christianity and natural science.

While it touted superior graphics to the 2600 and Mattel's Intellivision, the system was initially incompatible with the 2600s expansive library of games, and some market analysts have speculated that this hurt its sales especially since an Atari 2600 cartridge adapter had been released for the Intellivision II.

While not all these conclusions have been accepted, it has had an enduring influence on archaeoastronomy, especially in Europe.

While the scientific community was once divided between supporters of the Big Bang and those of alternative cosmological models, most scientists became convinced that some version of the Big Bang scenario best fit observations after the discovery of the cosmic microwave background radiation in 1964, and especially when its spectrum ( i. e., the amount of radiation measured at each wavelength ) was found to match that of thermal radiation from a black body.

While the addition to the electron-rich alkenes and alkynes is mainly electrophilic, the nucleophilic addition plays an important role for the carbon-heteroatom multiple bonds, and especially its most important representative, the carbonyl group.

While the passes were at best a dubious defence of his capture, British admiralty and vice-admiralty courts ( especially in North America ) heretofore had often winked at privateers ' excesses into piracy, and Kidd may have been hoping that the passes would provide the legal fig leaf that would allow him to keep the Quedagh Merchant and her cargo.

While masculine, feminine, and neuter genders are recognized, nouns do not normally decline for gender, though some nouns, especially Latin words and personal names, exist in multiple forms corresponding to different genders: Alumnus ( male, singular )/ Alumna ( female, singular ); Andrew / Andrea, Paul / Paula, etc.

While converging with certain elements of traditional Toryism, especially an appreciation of the Middle Ages and organic society, there were several points of significant contention.

While playing in thumb position, few players use the fourth ( little ) finger, as it is too weak to produce a reliable tone ( this is also true for cellists ), although some extreme chords or extended techniques, especially in contemporary music, may necessitate its use.

While the upright bass is still occasionally used in country music, the electric bass has largely replaced its bigger cousin in country music, especially in the more pop-infused country styles of the 1990s and 2000s, such as new country.

While most small corporations do not have a 2 / 3 vote requirement, in the exact opposite, most large corporations especially those incorporated in Delaware, do have a 2 / 3 vote requirement.

While these traits had an impact on the women of the Order, the nuns especially absorbed the latter characteristics and made those characteristics their own.

While Brooks's musical style placed him squarely within the boundaries of country music, he was strongly influenced by the 1970s singer-songwriter movement, especially the works of James Taylor ( whom he idolized and named his first child after ) and Dan Fogelberg.

While many titles ( especially the strategically heavier ones ) are enthusiastically played by gamers as a hobby, German-style games are, for the most part, well suited to social play.

While in peacetime the deficit is financed by selling bonds, during a war it is typically difficult and expensive to borrow, especially if the war is going poorly for the government in question.

While Smith won extra support among Catholics in the big cities Smith was the target of intense anti-Catholicism from some Protestant communities, especially as Southern Baptists and German Lutherans.

While the case is usually the most expensive component of a cartridge, the bullet is usually the most expensive part of the reloaded round, especially with handgun ammunition.

While horses in the wild mate and foal in mid to late spring, in the case of horses domestically bred for competitive purposes, especially horse racing and various futurities, it is desirable that they be born as close to January 1 in the northern hemisphere or August 1 in the southern hemisphere as possible, so as to be at an advantage in size and maturity when competing against other horses in the same age group.

While mutually comprehensible with other dialects ( especially Sakkwatanci, and to a lesser extent Gaananci ), the northernmost dialects have slight grammatical and lexical differences owing to frequent contact with the Zarma and Tuareg groups and cultural changes owing to the geographical differences between the grassland and desert zones.

While other young men could become knights, in theory, it was nearly impossible for them to achieve that goal, especially for those from the lowest class.

While there were debates over the specifics, especially the route to be taken, there was a public consensus that such a railroad should be built by private interests financed by public land grants.