نتایج جستجو برای: minimum till mt sweep plow roller packer
تعداد نتایج: 217913 فیلتر نتایج به سال:
Roller skis are used by cross-country skiers, biathletes and ski-orienteers for their snow-free training and in roller ski competitions. Additionally, much of the current sports research into the physiology and biomechanics of crosscountry skiing is conducted indoors on treadmills using roller skis. For elite athletes, the differences in performance are quite small, thus emphasising the importa...
The aim of this project is to develop methods for scaling up roller compaction process from lab scale to pilot scale, to determine the effect of processing parameters of roller compactors at both lab scale (instrumented roller compactor at University of Birmingham, micro-pactor at Pfizer) and pilot scale (mini-pactor from Gerteis) on the attributes of dry-granulated formulations, including the ...
Reducing start and stop time without destroying the pavement surface is important in enhancing productivity of double-drum roller and compact quality of asphalt pavement, but it is difficult in confirming the maximum brake deceleration or start acceleration of double-drum roller. Dynamic analysis is used in studying these questions, and a mathematic model of double-drum roller is established, b...
Snowplow model is the main method to describe acceleration process of coaxial plasma gun in pre-fill mode, which can directly give analytical expression velocity versus time. So it has become an important reference designing device structures satisfying requirements for different applications. Through measuring current, magnetic and optical signals, characteristics current during discharge moti...
Shallow slides in cohesionless till occurred in several highway fills in the province of Quebec, Canada, following spring thaw and sometimes during rainy autumns. This study has shown that the strength parameters of cohesionless tills can be related to the liquid limit for both drained and undrained conditions. These relationships can be used as input in stability analyses to readily yield desi...
AIM To anatomically locate the points of minimum corneal thickness and central corneal thickness (pupil center) in relation to the corneal apex. METHODS Observational, cross-sectional study, 299 healthy volunteers. Thickness at the corneal apex (AT), minimum corneal thickness (MT) and corneal thickness at the pupil center (PT) were determined using the pentacam. Distances from the corneal ape...
[1] Single-hole hydrogeologic experiments were conducted with a drillstring packer in Integrated Ocean Drilling Program Hole 1301B, which penetrates 318 m into 3.5-Ma upper oceanic basement on the eastern flank of the Juan de Fuca Ridge. Seven constant-rate injection tests were conducted in open hole, with the packer inflated at three depths in the deepest 166 m of the basement section. The pri...
s, conference proceedings and published abstracts for the CP3 is available on the CP3 Web site (http//pnwwinderosion.wsu.edu). Since 1999, the Internet access additionally has provided a Pacific Northwest e-mail/Internet List Server that allows subscribers to communicate, seek and exchange information on issues, questions, and experiences with direct seed systems. Messages are received by e-mai...
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