Dust content
The origin of dust in galaxies revisited: the mechanism determining dust content
... cosmic dust is a fundamental issue in planetary ...of dust in galaxies, in particular, in the Milky Way, by using a chemical evolution model of a galaxy composed of stars, interstellar medium, metals ...
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The dust content andupper respiratory tract infections risk on c category quarry workers in watusampu village, ulujadi sub district, palu city
... produce dust that can have a negative impact on the environment and health in the form of air Infections (URI) in ...total dust content and the relationship between working hours, the use of Personal ...
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Investigating Brown Dwarf Atmospheres: Gravity, Dust Content, Cloud Structure and Metallicity
... causes dust to be lo- cated in the upper altitudes in the atmosphere rather than settled in the lower atmosphere, leading to redder infrared colours than they would normally have after this evolutionary ...excess ...
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Study of Concrete Involving Use of Quarry dust as Partial Replacement of Fine Aggregates
... quarry dust as partial replacement of fine aggregates in ...quarry dust as 0%, 10%, 20%, 30% and 40% by weight for M-25 ...quarry dust content workability increases and compressive strength ...
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Spatially-resolved dust properties of the GRB 980425 host galaxy
... of dust emission of the host galaxy of the closest known GRB 980425 at z = 0 ...low dust content and a high fraction of UV-visible star formation, similar to other dwarf ...
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Effect of Quarry Dust as Partial Replacement ...
... quarry dust it becomes apparent that if both are used together, the loss in early strength due to one may be alleviated by the gain in strength due to the other, and the loss of workability due to the one may be ...
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Effective utilization of quarry dust in flexible pavements as per IRC 37:2012
... quarry dust content, Optimum Moisture Content (OMC) is reduced and correspondingly Maximum Dry Density (MDD) is ...quarry dust content at which maximum strength is evaluated will become ...
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... The variation of the unsoaked CBR values with cement kiln dust content for the three energy levels used for compaction is given in Figure 5. A general increase in CBR values with CKD content was ...
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Stabilization of Bentonite Soil with Stone Dust
... stone dust content, the CBR increased gradually with the increase in stone dust content till its valuation was 20% by weight of the total mixture; it decreased ...
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Experimental Evaluation of Strength Characteristics of Masonry Blocks Manufactured from M Sand Dust and Cement
... water content is done and the bricks used in this are of D 1:4 which are of having more dust content compared to the previous mix D 1:3, as from the graph it shows at first the strength at middle of ...
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Mid- and late Holocene dust deposition in western Europe: the Misten peat bog (Hautes Fagnes – Belgium)
... the dust content records exclusively the changes in atmospheric deposition of dusts during the last interglacial ...mineral dust) prox- ies have been used in peat bogs to trace past changes in ...
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Model about environment influence to equipment failure based on weibull distribution
... (3) In traditional failure graphs, the data of the horizontal axis is time. When replace time with one environment factor such as temperature, pressure or dust content, one distribution about equipment ...
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Total and respirable dust exposures among carpenters and demolition workers during indoor work in Denmark
... The dust concentra- tions varied according to the type of material, the strength of the material and the local ...most dust- intensive of all work tasks in the construction ...
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THE IMPACT OF ANTHROPOGENIC ALLUVIAL ARRAYS ON AREAS SETTLEMENTS DEPENDING ON THE PARTICLE SIZE DISTRIBUTION OF STORED TAILLINGS
... When atmospheric precipitation in a positive air temperature is moistened, dusting surface layer of the storable component, water absorp- tion and accumulation. The depth depends on the amount of moisture precipitated ...
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Potential of polarization/Raman lidar to separate fine dust, coarse dust, maritime, and anthropogenic aerosol profiles
... road dust, and ma- rine particles as well as strong dust outbreaks from Mid- dle Eastern deserts and the Sahara frequently occur over Cyprus (Nisantzi et ...Pure dust observations are available from ...
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Flame development in pulverised biomass for fine and coarse particles
... the dust dispersion using scattered light indicates that at the time of ignition the dust has not penetrated the full volume of the vessel and these videos indicate that the dust may have only ...
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Factors influencing atmospheric corrosion rates in abu dhabi
... to dust samples falling onto the coupons, dust from various locations around the test site were also analysed for chloride ...of dust were identified at ground level: a very fine powdery dust, ...
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Particular aspects of environmental impact of potentially risk elements from airborne particulate matter
... total content of elements in airborne particles is not so important because it does not specify various adverse health effects, neither does it explain an anthropogenic contribution to sources of air pol- lutions ...
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Probing Dust Settling in Proto-planetary Disks with ALMA
... of dust grains in proto-planetary disks is a key issue to understand how planets should ...ditions dust settling can be constrained by high angular resolution ALMA observations at mm wavelengths, and which ...
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Opposite Dust on Linear Dust-acoustic Waves
... mobile dust, charge fluctuating stationary negative dust and Boltzmann-distributed electrons and ...negative dust number density, z do is the equilibrium charge state of the positive dust ...
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