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Problems in evaluating the strength of coal seams within country rocks


, : Problems in evaluating the strength of coal seams within country rocks. Das Markscheidewesen 95(2): 52-56


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Savile, D.B.O., 1951: Changes in grassland near Ottawa, Ontario, following prolonged flooding. Two months' flooding in the spring of 1947 killed nearly all the vegetation in an area of grassland. A dense algal mat covered most of the area when the flood receded. The first flowering plant to invade the affected area in quantity was Lysi...

Li, B-gui.; Chen, F.; Li, W-bao.; Yang, H.; Duan, Y-chun.; Wang, H-ying.; Mu, L-xian.; Tian, S-hui.; Li, P.; Chen, S-rong.; Luo, J-jun., 2015: Research of water contact and labor practice of residents in plateau mountain schistosomiasis endemic areas in Yunnan Province. To understand the status of water contact and labor practice of residents in plateau mountain schisto- somiasis endemic areas in Yunnan Province, so as to provide the evidence for formulating the strategy of prevention and control of schistosomias...

Kusznir N.J.; Echtler H.; Wenzel F., 1995: Structural and stratigraphic modelling of the Upper Rhine Graben. Terra Abstracts 7, Abst

Roche, T.F., 1956: Worthwhile ophthalmological gleanings. Transactions. Ophthalmological Society of the United Kingdom 76: 731-738

Regupathy, A., 1971: Observations on the incidence of the wingless grasshopper Orthacris simulans B. (Acrididae: Orthoptera) on some varieties of fieldbean, Lablab niger. Nymphs and adults of Neorthacris (Orthacris) simulans (Bol.) were found damaging pods of fieldbean (Dolichos lablab (Lablab niger)) in Tamil Nadu, India. The relation between characteristics of the pods and susceptibility was investigated in seven...

Schürks, M.; Rist, P.M.; Shapiro, R.E.; Kurth, T., 2012: Migraine and mortality: a systematic review and meta-analysis. To evaluate the evidence on the association between migraine and mortality. Systematic review and meta-analysis of studies investigating the association between any migraine (all forms of migraine collectively) or migraine subtypes (e.g. migraine...

Tribble, A.Grace.; Summers, P.; Chen, H.; Quandt, S.A.; Arcury, T.A., 2015: Musculoskeletal pain, depression, and stress among Latino manual laborers in North Carolina. NlmCategory="UNASSIGNED">The jobs of Latino manual laborers place their mental and physical health at risk. This study evaluates the associations among musculoskeletal pain, mental health, and work organization in Latino manual labore...

Bugay, B.K.; Bugay, M.; Telitsyn, G.P., 1972: Ignition apparatus for starting counter fire. Describes, illustrates diagrammatically and discusses the merits and method of use of the ZA-FKT ignition apparatus.

Vandergeten, J.P.; Vanstallen, R., 1984: Re-ensiling and future prospects for pressed pulp. The reensiling of pressed beet pulp was investigated on a number of farms after several months of storage in the sugar factory. Ensiling and densification of pulp with a high DM (45%) seems to offer good possibilities. Preliminary densification tr...

Ornithol Arb Muenster (W.Ger), 1981: Evaluation of the european reservation rieselfelder muenster west germany as a bird breeding area. Vogelwelt 102(2): 67-68