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  • 1
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (99 Seiten, 5,54 MB) , Illustrationen, Diagramme
    Language: German , English
    Note: Förderkennzeichen BMWi 1501547-FR , Literaturverzeichnis: Seite 98-99 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Zusammenfassungen in deutscher und englischer Sprache
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  • 2
    Online Resource
    Online Resource
    Cham :Springer International Publishing AG,
    Keywords: Units of measurement. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (317 pages)
    Edition: 2nd ed.
    ISBN: 9783030439699
    Series Statement: Springer Series in Materials Science Series ; v.122
    DDC: 530.79999999999995
    Language: English
    Note: Intro -- Preface to the Second Edition -- Preface to the First Edition -- Contents -- Acronyms -- 1 Old Units of Measurement in India -- 1.1 Time Intervals -- 1.1.1 Introduction -- 1.1.1.1 Source of Information -- 1.1.1.2 Concept of Time -- 1.1.1.3 Types of Time Scales -- Terrestrial Day -- Sidereal Day -- Solar Day -- Lunar Day -- 1.1.2 Time Intervals -- 1.1.2.1 Mention of Permanu, Anu and Treserenu in Shrimad Bhagwad Puran -- 1.1.2.2 Time Intervals as Fraction of a Day -- 1.1.2.3 Time Intervals in Terms of Nimesh -- Time Interval from Vishnu Puran -- Time Intervals from Bhavishya Puran -- 1.1.2.4 Smaller Time Intervals in Steps of 60 -- Time Intervals Given in Steps of 60 -- Time Intervals from Surya Siddhant -- Time Intervals with Multiple Names -- Time Interval in Steps of 30 -- 1.1.3 Sidereal Metrics -- 1.1.4 Time Intervals in Chanakiya Arthsashtra -- 1.1.5 Multiplicity in Smaller Time Intervals -- 1.1.6 Realization of Naadika: A Standard of a Time Interval -- 1.1.7 Lunar Metrics -- 1.1.7.1 Tithi -- 1.1.7.2 Paksh -- 1.1.7.3 Lunar Month -- 1.1.7.4 Lunar Ritu, Ayan -- 1.1.8 Adjustment in Calendars -- 1.1.8.1 Gregorian Calendar -- 1.1.8.2 Lunar Calendar -- 1.1.9 Middle-Level Time Intervals -- 1.1.10 Bigger Time Intervals -- 1.1.10.1 Charan -- 1.1.10.2 Yug -- 1.1.10.3 Duration of Each Yug in Human Years -- 1.1.10.4 Durations of Each Yug in Divine Years -- 1.1.10.5 Mahayug -- 1.1.10.6 Manvantar -- 1.1.10.7 Kalp -- In Terms of Manvantar -- In Terms of Mahayug -- Equivalence of Two Definitions -- 1.1.10.8 Age of the Sun -- 1.1.10.9 Night of Brahma -- 1.1.11 Names of 14 Manvantar -- 1.1.12 Time Intervals in Terms of Kalp -- 1.1.13 Summary of Bigger Time Intervals -- 1.1.14 The Time Elapsed Since Creation of Universe -- 1.1.15 Date of Commencement of the Present Kaliyug -- 1.2 Length Intervals -- 1.2.1 Introduction. , 1.2.2 Sets of Smaller Length Intervals -- 1.2.2.1 Set of Smaller Units of Length as Given in Agni Puran -- 1.2.2.2 Set of Smaller Units of Length in Chanakiya Arthsashtra -- 1.2.3 Units of Length in Multiples of Angul -- 1.2.3.1 Length Units with Different Names But of the Same Value -- 1.2.3.2 Smaller Units of Length in Times of Bhoja -- Sub-multiples and Multiples of Angul (Raja Bhoja) -- Specific Fields of Use of Prasaya, Sadharan or Saya -- Prasaya -- Sadharan -- Saya -- 1.2.3.3 Yojan in Bhoja Time -- 1.2.3.4 Units of Length in Multiples of Angul -- 1.2.3.5 Units Used for Distance Measurements -- 1.2.3.6 Units of Length by Cardarelli -- 1.2.4 Two Kinds of Danush -- 1.2.5 Scale of Mohenjo-Daro -- 1.2.5.1 Situation of Mohenjo-Daro -- 1.2.5.2 Scale of Mohenjo-Daro -- 1.2.5.3 Decoding the Mohenjo-Daro Scale -- 1.2.6 Supportive Evidences for Taking 1 Angul Equal to 16.764 mm -- 1.2.6.1 The Indus Inch -- 1.2.6.2 Temple Wall Engravings Related to Dhanush -- 1.2.6.3 Mohenjo-daro's Great Bath -- 1.2.7 Various Yojan -- 1.2.7.1 Yojan in Valmiki Ramayan -- 1.2.7.2 British Yojan -- 1.2.7.3 Indian Yojan -- 1.2.7.4 Units in Terms of Human Limbs -- 1.2.8 Length in Terms of Latitude -- 1.2.8.1 Change in Distance with Latitude and Longitude -- Distance Due to Change in Latitude Only -- Distance Due to Change in Longitude Only -- 1.2.8.2 Variation of Latitude from Equator to Pole -- 1.2.8.3 Definition of Metre -- 1.2.9 Pre-Akbar Length Measures -- 1.2.9.1 Linear Units in Terms of Angul -- 1.2.10 Weights and Measures in Akbar Time -- 1.2.10.1 System of Weights and Measures by Akbar -- 1.2.10.2 Akbar IIahi Gaz -- Administration and Standardization of Land Measurement in Akbar's Period -- 1.2.10.3 Smaller Units of Length in Akbar Period (1556-1605) -- 1.2.11 Length Units Used by Tailors -- 1.2.12 Length Units in Dependent India -- 1.2.12.1 Base Unit 1 in. , 1.2.12.2 Imperial Length Units -- 1.3 Units of Weight and Volume -- 1.3.1 Introduction -- 1.3.1.1 Mass and Weight -- 1.3.1.2 Grain -- 1.3.1.3 Measurement of Weights Per Grain of a Cereals -- 1.3.1.4 Value of Troy Grain -- 1.3.2 Weights Nomenclature from Manusmriti -- 1.3.2.1 Verses of Manusmriti Pertaining to Weights -- 1.3.2.2 Weights in Terms of Grains -- 1.3.2.3 Weights in Multiples of Ratti -- Silver Trade -- Gold Trade -- 1.3.3 Weights in Terms of Tresarenu -- 1.3.4 Charak System of Weights -- 1.3.4.1 Weights Used in Ayurveda -- 1.3.4.2 Pal Tolaa Relationship -- 1.3.5 Weight Measurement in Ancient India -- 1.3.5.1 Weight Units in Narad Puran -- 1.3.5.2 Weights Used for Food Grains -- 1.3.5.3 Volume of Granular Materials -- 1.3.6 Weights in Terms of Grain of Rice (chawal) -- 1.3.6.1 Weights in Terms of Rice (Chawal) -- 1.3.6.2 Weights in Multiples of Rice with Husk (Dhaan) -- 1.3.6.3 Bullion Weights in Terms of Chawal (Rice) -- 1.3.6.4 Weights System Used in Southern Part of India -- 1.3.7 Weights Used in Pre-Akbar Period -- 1.3.7.1 Weights in Terms of chawal, ratti, maashaa, Etc -- 1.3.7.2 Weights in Terms of Siki -- 1.3.8 Weights in Colonial (Pre-Independence) Years -- 1.3.8.1 Weights in Terms of Khaskas -- 1.3.8.2 Variety of Weights Before Independence -- 1.3.8.3 Weights in Terms of Gunja -- 1.3.9 Conventions Followed by Public for Weights -- 1.3.9.1 Urban Area -- 1.3.9.2 Rural Area -- 1.3.9.3 Present Situation -- 1.3.10 Weights and Volume Measures by Chanakiya -- 1.3.10.1 Weights -- Smaller Units of Weights -- Gold Trade -- Silver Trade -- Diamond Trade -- Bigger Units of Weights -- Miscellaneous Weight Units -- Denominations of Weights -- Gold Trade -- Silver Trade -- General Trade -- Material of Weights -- 1.3.10.2 Balances -- Balances in Gold Trade -- Balances for Other Commodities -- Samavritta Balance -- Parimani Balance. , Commercial Balances -- 1.3.10.3 Volume Measurements -- Types of Drona -- Other Units of Volume -- Construction of Volumetric Measures -- Volumetric Measures for Granular Material -- Volumetric Measures for Liquids -- 1.3.10.4 Administrative Measures -- Price Control on Weight and Measure -- Verification Period and Fee Chargeable -- Taptavyaji -- Smaller Standard Measures -- 1.3.11 Conversion Factors -- References -- 2 System of Quantities and Units -- 2.1 Quantities -- 2.2 System of Quantities -- 2.2.1 Quantity -- 2.2.2 Base Quantity -- 2.2.3 System of Base Quantities -- 2.2.4 Derived Quantity -- 2.2.5 Quantity Equation -- 2.2.6 Quantity Value Equation -- 2.2.7 Dimension of Derived Unit -- 2.3 Measurement Unit -- 2.3.1 System of Measurement Units -- 2.3.2 System of Base Units -- 2.3.2.1 Properties of Base Units -- 2.3.2.2 Minimum Number of Base Units -- 2.3.3 Derived Unit -- 2.3.4 Unit Equation -- 2.3.5 Properties of Units of Measurement -- 2.3.6 Coherent Derived Unit -- 2.4 Quantity of Dimension 1 or Dimensionless Quantity -- 2.4.1 Dimension of a Quantity -- 2.4.2 Quantities of Dimension 1 or Dimensionless Quantities -- 2.4.3 Ordinal Quantity -- 2.4.4 Quantity Scale, Measurement Scale -- 2.4.5 Ordinal Quantity Scale, Ordinal Scale -- 2.4.6 Nominal Property -- 2.5 Conversion Factor Between Units -- 2.6 Quantity Relations -- 2.6.1 Quantity Value -- 2.6.2 Numerical Quantity Value -- 2.6.3 Quantity Calculus -- 2.7 Units Used in Biology, Biochemistry, Molecular Biology, Forensic Science Biological Effects -- 2.7.1 Photochemical or Photo-Biological Quantities and Their Units -- 2.7.2 Conversion of Radiometric to Photometric Quantities -- 2.7.3 Photometry and Photon-Number-Based Quantities -- 2.7.4 Units Used in Photometry -- 2.7.5 Actinic Action Spectrum -- 2.7.6 Types of Visions -- 2.7.7 Unit in the Field of Sound. , 2.7.8 Units in the Field of Ionizing Radiations -- 2.8 SI Units in the Framework of General Relativity -- References -- 3 Various Systems of Units -- 3.1 Introduction -- 3.2 Relations Between the Quantities -- 3.2.1 Derived Quantities by Definition -- 3.2.2 Derived Quantities by a Phenomenon -- 3.3 Three-Dimensional System of Units -- 3.3.1 Gauss System -- 3.3.2 CGS System -- 3.3.3 FPS System -- 3.4 Four-Dimensional Systems of Units -- 3.4.1 Giorgi System of Units -- 3.4.2 Maxwell System -- 3.4.3 Hartree System -- 3.4.4 Units for Atomic and Molecular Measurements -- 3.4.5 McWeeny System of Units -- 3.4.6 Ohm, Ampere, Second and Metre System -- 3.4.7 Force, Length and Time System -- 3.4.8 System in Terms of Universal Constants (G, H, E and Q) -- 3.4.9 System in Terms of Electric Charge, Flux, Length and Time -- 3.4.10 System in Terms of L, M, T and R -- 3.5 Derived Quantities in Terms of L, M, T and R-An Example -- 3.6 Measurement System in Terms of Length Time Flux and Charge -- References -- 4 Metre Convention and Evolution of Base Units -- 4.1 BIPM and Metre Convention -- 4.1.1 General Conference on Weights and Measures (CGPM) -- 4.1.2 International Committee for Weights and Measures (CIPM) -- 4.1.3 Consultative Committees -- 4.1.3.1 Consultative Committee for Electricity and Magnetism (CCEM) -- 4.1.3.2 Consultative Committee for Photometry and Radiometry (CCPR) -- 4.1.3.3 Consultative Committee for Thermometry (CCT) -- 4.1.3.4 Consultative Committee for Length (CCL) -- 4.1.3.5 Consultative Committee for Time and Frequency (CCTF) -- 4.1.3.6 Consultative Committee for Ionizing Radiation (CCRI) -- 4.1.3.7 Consultative Committee for Units (CCU) -- 4.1.3.8 Consultative Committee for Mass and Related Quantities (CCM) -- 4.1.3.9 Consultative Committee for Amount of Substance: Metrology in Chemistry (CCQM). , 4.1.3.10 Consultative Committee for Acoustics, Ultrasound and Vibration (CCAUV).
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  • 3
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (117 Seiten, 7,44 MB) , Illustrationen, Diagramme
    Language: German
    Note: Förderkennzeichen BMWi 1501594-FR , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Sprache der Zusammenfassung: Deutsch, Englisch
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  • 4
    Publication Date: 2023-01-27
    Description: Abrupt fluid emissions from shallow marine sediments pose a threat to seafloor installations like wind farms and offshore cables. Quantifying such fluid emissions and linking pockmarks, the seafloor manifestations of fluid escape, to flow in the sub‐seafloor remains notoriously difficult due to an incomplete understanding of the underlying physical processes. Here, using a compositional multi‐phase flow model, we test plausible gas sources for pockmarks in the south‐eastern North Sea, which recent observations suggest have formed in response to major storms. We find that the mobilization of pre‐existing gas pockets is unlikely because free gas, due to its high compressibility, damps the propagation of storm‐induced pressure changes deeper into the subsurface. Rather, our results point to spontaneous appearance of a free gas phase via storm‐induced gas exsolution from pore fluids. This mechanism is primarily driven by the pressure‐sensitivity of gas solubility, and the appearance of free gas is largely confined to sediments in the vicinity of the seafloor. We show that in highly permeable sediments containing gas‐rich pore fluids, wave‐induced pressure changes result in the appearance of a persistent gas phase. This suggests that seafloor fluid escape structures are not always proxies for overpressured shallow gas and that periodic seafloor pressure changes can induce persistent free gas phase to spontaneously appear.
    Description: Plain Language Summary: Thousands of pockmarks, circular depressions in the seafloor, were reported in North Sea, presumably formed in response to wave motions during major storms. It has been hypothesized that these pockmarks formed as pre‐existing shallow free‐gas pockets were mobilized by pressure changes of the waves. However, mechanisms that could have mobilized free‐gas are not yet constrained. Moreover, large scale free‐gas accumulations have not been reported in this region, and therefore, commonly invoked mechanisms like tensile failure and breaching of capillary seals are hard to justify as they rely on the presence of pre‐existing gas pockets. Here, through modeling studies, we tackle the question of the source of the observed free‐gas. Our study consists of two parts: First, assuming that some hitherto unknown shallow free‐gas pocket is indeed present, we test whether storm‐induced pressure changes could breach capillary seals. We find that free‐gas damps pressure changes due to its high compressibility, making the mobilization of pre‐existing gas unlikely. In the second part, we propose an alternative mechanism where free‐gas spontaneously appears due to exsolution from pore‐fluids. We test the feasibility of this mechanism and show how periodic pressure changes can lead to a persistent gas phase, that could explain the elusive gas source linked to these pockmarks.
    Description: Key Points: Storm‐induced pressure changes can lead to spontaneous appearance of free gas phase near the seafloor. This process is driven by pressure‐sensitive phase instabilities. This mechanism could help explain elusive gas sources in recently observed pockmarks in the North Sea.
    Description: Aker BP (AkerBP) http://dx.doi.org/10.13039/100016998
    Description: Deutsche Forschungsgemeinschaft, DFG
    Keywords: ddc:550 ; pockmarks ; storm related pockmarks ; spontaneous free gas ; gas source ; modeling
    Language: English
    Type: doc-type:article
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of medicinal chemistry 10 (1967), S. 692-696 
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 425-426 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Material collected from the slaughterhouse was fixed in 10 per cent formol-saline, and specimens were wax-embedded and cut at 4(z. The sections were first treated with a solution of 0-4 per cent sodium borohydride containing 0-4 per cent sodium bicarbonate at room temperature for 1 h in order to ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 21 (1966), S. 820-821 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 20 (1966), S. 798-803 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 22 (1967), S. 81-85 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 23 (1967), S. 244-248 
    ISSN: 0001-5520
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences
    Type of Medium: Electronic Resource
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