Cold embrittlement is one of the primary concerns challenging the usage of steels in infrastructures like pipelines and ocean platforms.
Data-driven approach faces the following challenges: Usage of multivariate and noisy data requires a robust algorithm.
With an innovative anti-shock mechanical system, the structure is earthquake resistant but also allows for a certain degree of mobility/transformation, The housing project consists of a fully-equipped facility that includes bedrooms, a studio and a green room, The core concept of Beijing House II is to experiment and challenge the usage of the remaining spaces in industrial areas.
More recently, some scholars have challenged the usage: Phillip Lindley, for example, makes a point of referring to "tomb monuments", saying "I have avoided using the term 'funeral monuments' because funeral effigies were, in the Middle Ages, temporary products, made as substitutes for the encoffined corpse for use during the funeral ceremonies".
Although it allows for rich expressive power, its dependency on Eclipse makes its usage challenging for a non-technical audience.
Speaking at a low reading level is in some ways a measure of success for a politician in an age of the mass media, since less-challenging usage is accessible to more of the electorate.
Participants were questioned on their understanding of CAM, reasons for using CAM, the context of CAM usage, influences on their CAM usage, challenges encountered, overall experience, complications experienced, perceived clinical outcome, and future implications.
The U.S. market is also hugely challenging given the high usage of iMessage, and competitors like Kik and Snapchat.
Notably, high AQP4 expression was found in pulmonary AC with higher differentiation and better prognosis, which challenges the therapeutic usage of this channel in particular.
The new CEO said that the company has identified three key challenges: "Increasing usage, growing our international presence and appealing to a broader demographic of users — roughly in that order of priority".
The Freedom From Religion Foundation currently has 11 ongoing lawsuits, three of which challenge schools' usage of prayer and religious materials.
