Results 121 to 130 of about 99,906 (242)

STUDI BEBAN PENCEMARAN LOGAM BERAT KADMIUM (Cd)PADA BALLAST WATER KAPAL BARANG DAN KAPAL PENUMPANG DI PELABUHAN TANJUNG EMAS [PDF]

, 2016
Pertukaran air balas merupakan salah satu dari kegiatan operasional kapal. Semakin banyaknya jumlah kapal yang bersandar membuat jumlah air ballast yang di buang di perairan pelabuhan Tanjung Emas semakin banyak pula.
BALWA, ANUGRAH FEBRINO
core  

A comparative study of new ballast and recycled ballast generated from various maintenance activities

Transportation Engineering
Railroad ballast performance is influenced by aggregate type, geological origin and mineralogy, gradation, and particle shape. As ballast ages, it gets progressively fouled with finer materials generated from particle breakage and abrasion, which may ...
Erol Tutumluer, Han Wang, Syed Faizan Husain, Taeyun Kong, Youngdae Kim, Kelin Ding, Issam I.A. Qamhia, Stephen Wilk, Dingqing Li   +8 more
doaj   +1 more source

Electric arc apparatus Patent [PDF]

, 1968
Electric arc heater with supersonic nozzle and fixed arc length for use in high temperature wind ...
Shepard, C. E., Stine, H. A., Watson, V. R.   +2 more
core   +1 more source

Ecosystem Shock: The Devastating Impacts of Invasive Species on the Great Lakes Food Web [PDF]

, 2004
Gives an account of the changes to the Great Lakes ecosystem brought about by non-native aquatic species. Assesses the current and future impacts on fish communities and commercial fisheries.
Gwen White, Michael Murray, Sara E. Jackson   +2 more
core  

Economic Incentives for Controlling Trade-Related Biological Invasions in the Great Lakes [PDF]

Ballast water from commercial ships engaged in international trade has been implicated as the primary invasion pathway in over 60 percent of new introductions of invasive alien species (IAS) in the Great Lakes since 1960.
Horan, Richard D., Lupi, Frank
core   +1 more source

Dynamic characteristics of frozen ballast beds in cold-region railways under cyclic train loading. [PDF]

Sci Rep
Liu J, Cao Y, Chen A, Qi W, Kou L, Sysyn M.   +5 more
europepmc   +1 more source

A Physics-Guided Quantitative GPR Framework for Detecting Hanging Sleepers in Ballasted Railway Tracks. [PDF]

Sensors (Basel)
Yang W, Gao J, Xu Z.
europepmc   +1 more source

Mesoscopic Heterogeneous Modeling Method for Polyurethane-Solidified Ballast Bed Based on Virtual Ray Casting Algorithm. [PDF]

Materials (Basel)
Xu Y, Sheng Z, Zhang J, Han H, Ling X, Zhang X, Qie L.   +6 more
europepmc   +1 more source

Unveiling individual and collective temporal patterns in the tanker shipping network. [PDF]

Nat Commun
Teo K, Arnold N, Hone A, Coulon M, Ireland M, Santillana M, Kiss IZ.   +6 more
europepmc   +1 more source

Discrete element modeling of the effect of real-shape ballast angularity on sleeper lateral resistance. [PDF]

Sci Rep
Chalabii J, Nagy R, Movahedi Rad M.
europepmc   +1 more source