In the 1960s, racism was the primary factor in hindering the advancement of African Americans.
However, the lack of theory in this field and the existence of conceptual and technological bottlenecks continue to hinder the advancement of PF modeling and prediction.
However, the intrinsic drawbacks of poor cycle life and low charge efficiency in conventional Li-S batteries hinder the advancement of this alluring technology.
At a hearing in the House of Representative in July, Anthony said: "I believe that the time may be right for federal legislation to establish at least baseline minimum standards.I am concerned that the absence of effective privacy protections will undermine consumer confidence and hinder the advancement of electronic commerce and trade".
However, for these same authors, interdisciplinarity entails concrete difficulties hindering the advancement of the TEL research: … multiplicity also brings challenges, such as a lack of a shared coherent discourse, tensions and power struggles between the different subject domains and a lack of perceived rigour and credibility (op.cit, p.10).
Nevertheless, the focus on yield – arguably the most genetically complex and integrative trait of maize and all other plants – may have hindered the advancement of our understanding of the genetic basis of heterosis and the development of predictors of heterosis.
This has hindered the advancement of treatment strategies to improve survival of these patients.
Until the end of the 20th century, the lack of high throughput genotyping techniques and the limited development of high-density SNP arrays have hindered the advancement of genome-based breeding strategies for crop improvement.
Several factors have hindered the advancement of endostatin- and angiostatin-based therapies, such as short serum half-lives, manufacturing difficulties, and issues pertaining to their solubility and stability [ 25, 26, 40].
The absence of clear definitions and diagnostic criteria for sepsis has hindered the advancement of epidemiological and clinical knowledge about this condition [ 2]; thus, clinical and therapeutic studies have often compiled data that are difficult to compare and extrapolate to clinical practice.
