Salomon Brothers, acting with speed that left potential competitors in the dust, has introduced a security that enables buyers to bet on the price of oil five years hence.
The algorithm uses 10 candidate aerosol models including "Asian dust model" introduced in consideration of the unique feature of aerosols over the east Asian waters.
To examine whether the regular visits and dust sampling introduced such an effect, birth certificate data were used to construct a matched negative-control group of 236 children.
During the Apollo missions, lunar dusts were introduced into the Lunar Lander and command module, resulting in direct exposure and occasional reports of respiratory, dermal and ocular irritation.
The first dust jacket was introduced in 1830.
The concept of the electrodynamic dust shield was introduced by NASA in the late 1960s and later reduced to practice during the 1970s for terrestrial applications.
For instance, a bill that would remove barriers to the San Fernando Valley seceding from Los Angeles got dusted off and introduced anew last week by newly elected Assemblyman Tom McClintock.
Because of different types of dust charged grains in a plasma, a number of different wave modes are introduced, for example, dust acoustic mode [8], dust ion acoustic mode [9], dust lattice mode [10], Shukla Varma mode [11], dust Berstain Green Kruskal mode [12] and dust drift mode [13].
However, other foreign objects can also cause abrasion such as dust present in the environment or elements accidentally introduced with food preparation [29], [31].
With few exceptions, little to no quantitative sampling was conducted prior to the 1960s when exposure concentrations were generally considered to be higher than those monitored more recently, due to lack of use of dust control equipment at the time and procedures to reduce dust levels that were introduced only later.
