WordNet

the sudden collapse of something into a hollow beneath it (同)subsidence
holding office; "the in party"
to or toward the inside of; "come in"; "smash in the door" (同)inwards, inward
currently fashionable; "the in thing to do"; "large shoulder pads are in"
directed or bound inward; "took the in bus"; "the in basket"
hollow out as if making a cave or opening; "The river was caving the banks" (同)undermine
a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea
explore natural caves (同)spelunk

PrepTutorEJDIC

(土地の)陥没,(建物の)崩壊,(鉱山の)落盤 / 陥没箇所
《具体的な場所,位置》 / …『の中に』(『で』) / …『において』,…で / 《intoの代りに移動を表す動詞と共に》…『の中へ』 / (乗り物)『に乗って』 / …『の状熊に』(『で』) / …『に従事して』,に属して / …『を身につけて』,に覆われて / 《『in』do『ing』の形で》…『するときに』,する際に(when) / 《時間》 / …『して』,…『が経過したあと』 / …『の間に』 / …『については』,…の点では / 《方法・手段・材料》…『で』 / 《人を目的語にして,性質・能力があることを示して》…の中に / …の目的で,のつもりで,として / 《比率割合》…のうちで,につき / 《過去分詞に伴って》…に[…されて] / 『中へ』(に) / 『在宅して』,帰って / (乗り物などが)『到着して』,(時期・季節が)来て / 出回って,流行して / 《俗》流行の,当世風の / 《話》特定の人々にのみ理解される
『ほら穴』,(特に)横穴 / 〈地盤などが〉陥没する / 〈帽子など〉'を'へこます
indiumの化学記号
Indiana
circa

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/03/31 18:23:41」(JST)

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Illustration of mine collapse aftermath, from 1878

A cave-in is a collapse of a geologic formation, mine or structure which may occur during mining or tunneling. Geologic structures prone to spontaneous cave-ins include alvar, tsingy and other limestone formations, but can also include lava tubes and a variety of other subsurface rock formations. Glacier caves and other ice formations are very prone to collapse from exposure to warm temperatures or running water.

In mining, the term roof fall is used to refer to a range of collapses, ranging from the fall of a single flake of shale to collapses that form sink holes that reach to the surface. However, roof falls in mining are not all accidental. In longwall mining and retreat mining, miners systematically remove all support from under large areas of the mine roof, allowing it to settle just beyond the work area. The goal in such mining methods is not to prevent roof fall and the ensuing surface subsidence, but rather to control it.

Geological formations

Alvar structures such as occur on the Stora Alvaret, Öland, Sweden
Tsingy limestone such as occurs in the Madagascar dry deciduous forests

References

External links

The dictionary definition of cave in at Wiktionary

This article about mining is a stub. You can help Wikipedia by expanding it.

UpToDate Contents

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English Journal

Transcranial segment of the trigeminal nerve: macro-/microscopic anatomical study using sheet plastination.

Liang L1, Diao Y, Xu Q, Zhang M.Author information 1Department of Anatomy, Capital Medical University, Beijing, China.AbstractBACKGROUND: Trigeminal neuralgia (TN) may be caused by the mechanical compression of the trigeminal nerve. In the studies on the location of mechanical irritation and entrapment of the nerve, attention has been paid mostly to vascular structures in the subarachnoid space. Few studies have explored the relationship between the trigeminal nerve and its surrounding structures along its course in the skull base. The aim of this study was to examine and trace the root, ganglion and three divisions of the trigeminal nerve and their relationships with surrounding soft and bony structures in the skull base, and to identify the likely mechanical compression points.
Acta neurochirurgica.Acta Neurochir (Wien).2014 Mar;156(3):605-12. doi: 10.1007/s00701-013-1920-9. Epub 2013 Oct 26.
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Highly Sensitive Quantitative PCR for the Detection and Differentiation of Pseudogymnoascus destructans and Other Pseudogymnoascus Species.

Shuey MM1, Drees KP, Lindner DL, Keim P, Foster JT.Author information 1Center for Microbial Genetics and Genomics, Northern Arizona University, Flagstaff, Arizona, USA.AbstractWhite-nose syndrome is a fungal disease that has decimated bat populations across eastern North America. Identification of the etiologic agent, Pseudogymnoascus destructans (formerly Geomyces destructans), in environmental samples is essential to proposed management plans. A major challenge is the presence of closely related species, which are ubiquitous in many soils and cave sediments and often present in high abundance. We present a dual-probe real-time quantitative PCR assay capable of detecting and differentiating P. destructans from closely related fungi in environmental samples from North America. The assay, based on a single nucleotide polymorphism (SNP) specific to P. destructans, is capable of rapid low-level detection from various sampling media, including sediment, fecal samples, wing biopsy specimens, and skin swabs. This method is a highly sensitive, high-throughput method for identifying P. destructans, other Pseudogymnoascus spp., and Geomyces spp. in the environment, providing a fundamental component of research and risk assessment for addressing this disease, as well as other ecological and mycological work on related fungi.
Applied and environmental microbiology.Appl Environ Microbiol.2014 Mar;80(5):1726-31. doi: 10.1128/AEM.02897-13. Epub 2013 Dec 27.
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Perineal retraining improves conservative treatment for faecal incontinence: A multicentre randomized study.

Damon H1, Siproudhis L2, Faucheron JL3, Piche T4, Abramowitz L5, Eléouet M6, Etienney I7, Godeberge P8, Valancogne G9, Denis A10, Mion F11, Schott AM12; Oralia Trial Group.Collaborators (25)Bruel E, Cavé MA, Chaperon I, Chapuis C, Chatelard J, Chichoux C, Conan C, Duclos V, Gauthier M, Genton-Gabriel A, Guichardon C, Guillaudeux V, Jacquemet JM, Lariguet S, Leclerc S, Leport-Griffon M, Magnier J, Marry R, Masse C, Panarioux B, Perin O, Raymond-Capel D, Roman S, Saurat MC, Vourc'h F.
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NAID 110010027071

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cave in