Search


Order results by:     
 
Issue Title
 
No 1 (2016) About a half-wave length of the bottom-hole core drill composed of structural elements of different stiffness Abstract  PDF (Eng)  similar documents
B. V. FEDOROV, D. R. KORGASBEKOV
"... and drill pipe. To determine the length of the half-wave in this part of the technological tools used energy ..."
 
Vol 5, No 1 (2020) Findings of Studies on Wave Character of Pillar Support Pressure and Edge Parts of Coal Seams Abstract  similar documents
S. N. Lis
"... increasing distance from the source of the abutment pressure. At the same time, the half-wave length λ/2 ..."
 
Vol 4, No 2 (2019) Effect of Operating Factors on Reliability of Stoping Complexes and Assessment of Reliability of their Elements Abstract  PDF (Eng)  similar documents
V. A. Troinich, A. A. Dubovsky, N. A. Vysotskaya
"... For analyzing the dependence of face equipment failure on its length, two groups of elements ..."
 
1 - 3 of 3 Items

Search tips:

  • Search terms are case-insensitive
  • Common words are ignored
  • By default articles containing any term in the query are returned (i.e., OR is implied)
  • Make sure that a word exists in an article by prefixing it with +; e.g., +journal +access scholarly academic
  • Combine multiple words with AND to find articles containing all terms; e.g., education AND research
  • Exclude a word by prefixing it with - or NOT; e.g., online -politics or online NOT politics
  • Search for an exact phrase by putting it in quotes; e.g., "open access publishing". Hint: Quoting Chinese or Japanese words will help you to find exact word matches in mixed-language fields, e.g. "中国".
  • Use parentheses to create more complex queries; e.g., archive ((journal AND conference) NOT theses)