Despite extensive attempts to obtain highly pure reagents, serious difficulty was experienced in obtaining reproducible rates of reaction.

Despite extensive oil and gas resources, diamonds, hydroelectric potential, and rich agricultural land, Angola remains poor, and a third of the population relies on subsistence agriculture.

Despite extensive internationally financed programs to upgrade the harbors at Moroni and Mutsamudu, by the early 1990s only Mutsamudu was operational as a deepwater facility.

Despite an extensive manhunt and an ongoing FBI investigation, the perpetrator has never been located or positively identified.

Despite extensive traditional medicinal use, melissa oil was initially prohibited by the International Fragrance Association ( IFRA )' s 43rd amendment, but this restriction appears to have been revisited and relaxed in the 44th amendment.

Despite extensive research into the interaction of modafinil with a large number of neurotransmitter systems, a precise mechanism or set of mechanisms of action remains unclear.

Despite being a time of great attrition for the religion in England before Catholic Emancipation in the 19th century, the recusant period reaped an extensive harvest of saints and martyrs.

Despite extensive constitutional protections, the Karimov government has actively suppressed the activities of political movements, continues to ban unsanctioned public meetings and demonstrations, and continues to suppress opposition figures.

Despite the extensive intervention of central banks, including partial and total nationalization of major European banks, the crisis of sovereign debt became particularly acute, first in Iceland, though as events of the early 2010s would show, it was not an isolated European example.

Despite the extensive classical art galleries and museums in the city, there is also a contemporary arts scene that has become increasingly prominent in recent times.

Despite his extensive knowledge of ancient history, classics, archaeology and what would be termed today cultural anthropology, he apparently had not even read enough in his nominal major to pass the required examination.

Despite her extensive research, she concluded " it is

Despite extensive research, no trace of documentation of the saying as Murphy's law has been found before 1951 ( see above ).

Despite active research spanning five decades, extensive regulatory actions, and an effective ban on their production since the 1970s, PCBs still persist in the environment and remain a focus of attention.

Despite such associations and contrary to stated Social Democratic Party policy, Sweden had in fact secretly maintained extensive military co-operation with NATO over a long period, and was even under the protection of a US military security guarantee ( see Swedish neutrality during the Cold War ).

Despite this, Bizet kept on good terms with his mother-in-law and maintained an extensive correspondence with her.

Despite an extensive tour and an appearance on Late Night with Conan O ' Brien, the album was not commercially successful, and when the label folded, the band and the label parted ways.

Despite the extensive cuts, the film was still negatively received by audiences, and remained an object of extreme controversy.

Despite extensive police resources channelled towards their capture, a wall of silence created by a mixture of fear and respect in the Shankill community, provided few leads that could be followed.

Despite the extensive project, builders retained the shell of the 1809 – 1812 building.

Despite extensive promotion by Benson, Home At Last generally received negative reviews, including that of Rupert Loydell who described it as " a disorganised, half-produced, and ultimately unsatisfying hotchpotch of songs ".

Despite extensive vaccination in many regions, it remains a major disease of dogs.

Despite his lack of an extensive formal education, Brock appreciated its importance.

* Despite extensive searches, no complete print of the movie has been found.

Despite the growth of Bayesian research, most undergraduate teaching is still based on frequentist statistics.

Despite the amount of research, there is still doubt about the internal relationship of the languages of Austro-Asiatic.

Despite the differences between systems, the purposes are the same: to guide users of clinical research information on which studies are likely to be most valid.

Despite considerable research efforts by seismologists, scientifically reproducible predictions cannot yet be made to a specific day or month.

Despite decades of research, where these animals go for the rest of the year remains unknown.

Despite decades of experience and economic research, debates about the costs and benefits of minimum wages continue today.

Despite diminishing government financial support over the past quarter century, MIT launched several successful development campaigns to significantly expand the campus: new dormitories and athletics buildings on west campus ; the Tang Center for Management Education ; several buildings in the northeast corner of campus supporting research into biology, brain and cognitive sciences, genomics, biotechnology, and cancer research ; and a number of new " backlot " buildings on Vassar Street including the Stata Center.

Despite research having started in the 1950s, no commercial fusion reactor is expected before 2050.

Despite rigorous research and development projects, end-users experience mixed results with handwriting recognition systems.

Despite significant research, prognosis of this disease has changed little over time.

Despite such criticisms, there is some educational quality to the group's activities and they have helped to foster a good deal of valuable research, especially in the area of medieval crafts.

Despite the apparent failure of the Cabra test, the long term legacy of the X-ray laser program is the knowledge gained while conducting the research.

Despite intensive research, the relationship between morphology, chain structure and conductivity is poorly understood yet.

Despite research on DID including structural and functional magnetic resonance imaging, positron emission tomography, single-photon emission computed tomography, event-related potential and electroencephalography, no convergent neuroimaging findings have been identified regarding DID, making it difficult to hypothesize a biological basis for DID.

Despite the fact that TM research has moved from " kooky margin to respectable mainstream ", TM's more recent appeal has been attributed to its ability to relax without chemical assistance rather than to the research.

Despite the success of purely electronic speech synthesis, research is still being conducted into mechanical speech synthesizers.

Despite inroads made by numerous prominent sinologists, independent scholarly research of the Cultural Revolution is discouraged by the Chinese government.

Despite numerous objections, this is the most widely accepted theory for the transport of water through a plant's vascular system based on the classical research of Dixon-Joly ( 1894 ), Askenasy ( 1895 ), and Dixon ( 1914, 1924 ).

Despite the insistence of the US Office of Education that there was no money to fund the project, Howe persisted, and insisted the project be classified as a research project.