δ因子
WordNet
- a straight line that generates a cylinder or cone
- one of four substances thought in ancient and medieval cosmology to constitute the physical universe; "the alchemists believed that there were four elements"
- the situation in which you are happiest and most effective; "in your element"
- the most favorable environment for a plant or animal; "water is the element of fishes"
- an object shaped like an equilateral triangle
- a low triangular area of alluvial deposits where a river divides before entering a larger body of water; "the Mississippi River delta"; "the Nile delta"
- the 4th letter of the Greek alphabet
- violent or severe weather (viewed as caused by the action of the four elements); "they felt the full fury of the elements"
PrepTutorEJDIC
- 〈C〉(物質を構成する)元素 / 〈C〉《修飾語[句]を伴って》(…の)(基本的な)『要素』,『成分』;《しばしば複数形で》構成分子 / 〈C〉(生物に固有の)生息場所,環境;(人の)適所,本領 / 〈C〉《古》四大(しだい)[元素](自然界の基本的構成要素と考えられていた地(earth)・水(water)・風(air)・火(fire)の4大要素の一つ) / 《the elements》(雨・風・雪などの)自然力・風雨,(特に)悪天候 / 《the elements》(学問の)原理,初歩,概論
- デルタ(ギリシア語アルファベットの第4字Δ,δ;英語D,dに相当) / (河口の)三角州,デルタ / 三角形をしたもの
UpToDate Contents
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English Journal
- Discovery of a novel long terminal repeat (LTR2i_SS) in Sus Scrofa.
- Lim SL1, Kortschak RD, Adelson DL.Author information 1School of Molecular and Biomedical Science, The University of Adelaide, North Terrace, Adelaide, 5005, SA, Australia.AbstractLong terminal repeat (LTR) retrotransposons are transposable elements flanked by 5'/3' LTRs. They have a structure similar to endogenous retroviruses, but they lack the envelope (env) gene making them non-infectious. Long terminal repeats are motif-rich sequences and can act as bidirectional promoters or enhancers to regulate or inactivate genes by insertion. In this study, we identified a new chimeric LTR subfamily, LTR2i_SS, in the pig genome. This chimeric LTR family appears to be the ancestral form of the previously described LTR2_SS family. LTR2_SS appears to have deleted ~300 bp of un-annotated, ancestral sequence from LTR2i_SS. We identified no functional provirus sequences for either of these LTR types. LTR2i_SS sequences have been exapted into the untranslated regions of two protein-coding gene mRNAs. Both of these genes lie within previously mapped pig quantitative trait loci.
- Animal genetics.Anim Genet.2014 Jun;45(3):367-372. doi: 10.1111/age.12138. Epub 2014 Mar 12.
- Long terminal repeat (LTR) retrotransposons are transposable elements flanked by 5'/3' LTRs. They have a structure similar to endogenous retroviruses, but they lack the envelope (env) gene making them non-infectious. Long terminal repeats are motif-rich sequences and can act as bidirectional promote
- PMID 24617963
- Persisting impact of historical mining activity to metal (Pb, Zn, Cd, Tl, Hg) and metalloid (As, Sb) enrichment in sediments of the Gardon River, Southern France.
- Resongles E1, Casiot C2, Freydier R2, Dezileau L3, Viers J4, Elbaz-Poulichet F2.Author information 1HydroSciences UMR 5569, CNRS, Universités Montpellier I & II, IRD, Place Eugène Bataillon, CC MSE, 34095 Montpellier Cedex 5, France. Electronic address: eleonore.resongles@msem.univ-montp2.fr.2HydroSciences UMR 5569, CNRS, Universités Montpellier I & II, IRD, Place Eugène Bataillon, CC MSE, 34095 Montpellier Cedex 5, France.3Géosciences UMR 5243, CNRS, Universités Montpellier II, Place Eugène Bataillon, CC 60, 34095 Montpellier Cedex 5, France.4Géosciences Environnement Toulouse UMR 5563, Université Paul Sabatier, CNRS, IRD, 14 Avenue Edouard Belin, 31400 Toulouse, France.AbstractIn this study, we assessed past and present influence of ancient mining activity on metal(loid) enrichment in sediments of a former mining watershed (Gardon River, SE France), that is now industrialized and urbanized. A sedimentary archive and current sediments were characterized combining geochemical analyses, zinc isotopic analyses and sequential extractions. The archive was used to establish local geochemical background and recorded (i) increasing enrichment factors (EFs) for Pb, Zn, Cd, Tl, Hg, As and Sb throughout the industrial era, (ii) a contamination peak in 1976 attributed to a tailings dam failure, and (iii) current levels in 2002 and 2011 similar to those of 1969, except for Sb and Hg, reflecting a persisting contamination pattern. Inter-element relationships and spatial distribution of EF values of current sediments throughout the watershed suggested that both ancient and current contamination had a common origin for Pb, Zn, Cd, Tl and As related to the exploitation of Pb/Zn mineralization while old Sb mines and coal extraction area were the main sources for Sb and Hg respectively. This prevailing mining origin was reflected for Zn by a relatively uniform isotopic composition at δ(66)Zn=0.23±0.03‰, although slight decrease from 0.23‰ to 0.18‰ was recorded from upstream to downstream sites along the river course in relation with the contribution of the lighter δ(66)Zn signature (~0.08‰) of acid mine drainage impacted tributaries. Results from sequential extractions revealed that the potential mobility of the studied metal(loid)s varied in the order Sb<Tl≈As<Zn<Pb<Cd, with an increase of the mobile pool for Cd, Pb, Zn and to a lesser extent for As and Tl associated to increased enrichment. Altogether, these results tend to demonstrate that ancient mining activity still contributes to metal enrichment in the sediments of the Gardon River and that some of these metals may be mobilized toward the water compartment.
- The Science of the total environment.Sci Total Environ.2014 May 15;481:509-21. doi: 10.1016/j.scitotenv.2014.02.078. Epub 2014 Mar 12.
- In this study, we assessed past and present influence of ancient mining activity on metal(loid) enrichment in sediments of a former mining watershed (Gardon River, SE France), that is now industrialized and urbanized. A sedimentary archive and current sediments were characterized combining geochemic
- PMID 24631614
- Geochemical characterization and biomonitoring of reclaimed soils in the Po River Delta (Northern Italy): implications for the agricultural activities.
- Di Giuseppe D1, Bianchini G, Vittori Antisari L, Martucci A, Natali C, Beccaluva L.Author information 1Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, Via Saragat 1, 44100, Ferrara, Italy.AbstractThis geochemical study is focused on the easternmost part of the Po River alluvial plain in Northern Italy, which is interested by widespread agricultural activities, investigating a reclaimed sector of the Province of Ferrara, known as "Valle del Mezzano" (Mezzano Low Land, hereafter reported as MLL) characterized by peat-rich soils. The chemical-mineralogical characterization of these reclaimed soils is important to compare the local geochemical backgrounds with those recorded in other sectors of the River Po plain and to monitor if the observed concentration exceeds critical thresholds. The reported analyses include (a) measurement of the soil salinity, (b) nutrient evaluation, (c) major and trace element concentrations carried out on bulk soils, (d) tests of metal extraction with both aqua regia and EDTA to highlight the distinct elemental mobility and (e) phyto-toxicological measurement of heavy metal concentrations in plants (Lactuca sativa acephala) grown on the studied soils. The results indicate (1) high soil salinity, often with drastic increase of sodium and chloride along the soil profiles, (2) high nitrogen content (in part related to anthropogenic activities) on superficial horizons and nitrate decrease along the soil profiles and (3) comparative enrichments in heavy metals with respect to other soils of the province, which indicate that peat deposits are effective in trapping metals from anthropogenic sources. This, in turn, implies potential geochemical risks for the agricultural activities. In this regard, specific concerns are related to the high nickel and arsenic content of MLL soils due to the mobility of these elements and their attitude to be taken up by plants.
- Environmental monitoring and assessment.Environ Monit Assess.2014 May;186(5):2925-40. doi: 10.1007/s10661-013-3590-8. Epub 2013 Dec 29.
- This geochemical study is focused on the easternmost part of the Po River alluvial plain in Northern Italy, which is interested by widespread agricultural activities, investigating a reclaimed sector of the Province of Ferrara, known as "Valle del Mezzano" (Mezzano Low Land, hereafter reported as ML
- PMID 24374785
Japanese Journal
- ハンドヘルド型蛍光X線分析装置Delta Premium DP-6000による黒曜石の非破壊全岩化学組成分析
- 資源環境と人類 : 明治大学黒耀石研究センター紀要 = Natural resource environment and humans : proceedings of the Meiji University Center for Obsidian and Lithic Studies (8), 109-118, 2018-03
- NAID 40021577295
- Study of closed-loop high-resolution sigma-delta for a MEMS accelerometer
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★リンクテーブル★
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- 英
- long terminal repeat、terminal repeat sequence、LTR
- 同
- 長末端反復
- 関
- 末端反復、末端逆位配列 inverted terminal repeat、δ因子 delta element
[show details]
参考
- http://www.stanford.edu/group/nolan/tutorials/retcl_3_ltrs.html
[★]
- 英
- delta element
- 関
- 末端反復、末端反復配列、末端逆位配列
[★]
- 関
- delta element、inverted terminal repeat、long terminal repeat、terminal repeat sequence
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- 要素、成分、素。(構成)分子。(科学)元素、(数)(集合の)要素、元素、素。(行列の)要素、成分。(図形を火tが千都来る)要素。(文法の)要素
- (電子)素子、(光学)素子
- 関
- basal、bases、basic、basis、component、composition、constituent、elementary、factor、fundamentals、ingredient、moiety
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δ、デルタ