| Continued compaction by overburden then converts lignite into bituminous coal and finally, anthracite coal. |
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| You can reduce this ground compaction and add air to the soil by aerating your entire lawn. |
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| Gasoline or diesel engines drive an eccentric weight at a high speed to develop compaction force and vibrations that compact granular soils. |
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| We found that most samples exhibited little or no compaction or distortion from pith to bark along the major axis. |
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| Rocks in intermediate-burial settings experience chemical compaction as well as subsurface cementation and dissolution. |
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| In addition, it also resists compaction and promotes decrepitation of the alloy. |
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| In the Australian examples this is due to gilgai, in the Sudanese example to differential compaction of the soil on weathering. |
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| This is particularly effective on lawn areas, where compaction may be a problem. |
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| As compaction begins, the sensor transmits voltage based on the pressure wave amplitude of the compaction process. |
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| The compaction of amalgam into the cavity is not simply a matter of filling the hole. |
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| Not only that, there is the question of how to deal with the compaction of material in order to ensure a long lifespan of the project itself. |
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| The larger contact area of the baseplate transmits more vibration to the surface producing more effective compaction. |
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| A more advanced level could include compaction mapping, remote sensing, and field scouting. |
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| Then interlocking cobble blocks are laid and pressed using a German machine that ensures proper compaction. |
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| And it occurred to me that maybe my neck was shrinking too, and that was beginning that compaction. |
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| If the soil is too wet, the subsoiler will not lift and crack the soil but will instead tend to create more compaction. |
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| Generally, surface compaction only affects one crop year if the field is plowed before the next crop. |
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| This could result from the compaction of curved or partially enrolled individuals, or possibly peri-mortem or post-mortem muscle contraction. |
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| Deep tillage can be performed with a subsoiler or other implement depending upon the depth of compaction. |
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| Severe compaction sometimes occurs when the spoil or topsoil material is moved when too wet during the reclamation process. |
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| Small, broadleaved, shallow-rooted weeds may indicate soil compaction, which is common along sidewalks and driveways. |
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| At low compaction water contents, shrinkage decreases with increasing compactive effort. |
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| In the mammalian embryo, for instance, the first compaction of the blastomeres is under the influence of E-cadherin to produce the trophectoderm. |
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| Net accumulation of winter snow followed by compaction and regelation of summer melt formed the ice patches. |
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| Since riparian areas are often wetter than the surrounding fields, they are most susceptible to trampling, soil compaction, and pugging. |
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| This process is used to assist the break-down of large clay clods so that pulverisation requirements are achieved before compaction. |
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| Firstly, rutting was not minimized, which is important to reduce soil compaction and destruction of the understory vegetation. |
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| Physical compaction is intermediate between these two groups. |
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| During compaction of siliciclastic muds the flaky clay particles are realigned to be parallel to each other and impart a fissility to the rock, which is commonly called shale. |
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| Garbage left at the sites, soil compaction, erosion, vandalism of portage signs, and grafitti on rock faces continue to be unresolved issues. |
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| Surface Recycling consists of heating, scarifying, leveling, reprofiling and compaction of the mixture. |
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| Soil processed with suitable binding agents is practically unsusceptible to water and offers optimum conditions for further compaction. |
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| Self-propelled rollers, on the other hand, are much easier to operate and can be used for compaction purposes on various types of roadwork. |
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| No wheel supports to obstruct compaction work up against curbstones and walls. |
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| Being a trendsetter and pioneer, Hamm has launched numerous innovations, thus setting the standard in compaction technology. |
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| Also, the middle cylinder was designed to hold water to increase compaction over the cover crops. |
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| Numerous trips through the orchard with a tractor and sprayer particularly in wet weather may increase soil compaction. |
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| Most soil compaction and damage is done by the first trip over the field in the spring. |
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| Our single drum vibrating roller is a heavy-duty self-propelled vibrating roller which can do soil compaction work in large projects. |
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| Among the cases of earthwork in winter, however, compaction without frozen soil performed better than that with frozen soil. |
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| Trampling results in destruction of bog vegetation, compaction of the peat, and possibly disturbance of wildlife. |
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| Some of the waste may be reduced in volume by compaction or incineration prior to storage. |
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| Prior to storage, the volume of the wastes may be reduced by incineration, compaction, shredding or baling. |
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| These long taproots also improve soil quality by decreasing soil compaction. |
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| Likewise, agricultural methods that prevent the compaction and erosion of soils should also be supported. |
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| This report describes the in-block soil compaction resulting from the felling and skidding phases. |
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| The extreme compaction of the material gives unusually good static load test values. |
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| High temperature properties have also been modified to reduce viscosity and facilitate ease of handling and compaction during laying. |
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| Easier and convenient to assemble the Padfoot according to the special requirement of operator which makes better compaction impact. |
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| Growers need to assess the situation and determine if it is a drainage, fertility, compaction or disease problem. |
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| Old cast iron water pipes have been known to fail again under normal compaction vibration. |
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| It is of super operating weight, which provides better compaction and higher efficiency. |
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| Less soil compaction occurs with irrigation than with tank wagons. |
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| The simplest way to see if your soil has a hardpan or compaction layer below the surface is to take a metal rod and walk around your property sticking it into the ground. |
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| If the soil is particularly poor or has had problems with compaction, add at least 2 inches of peat moss, leaf compost, or other organic material. |
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| The soil mixtures, with and without additives, were thoroughly mixed with various moisture contents and allowed to equilibrate for 24 hours prior to compaction. |
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| Actively managing soil compaction can save growers tillage costs. |
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| It also requires adequate, trash-free backfill and sufficient soil moisture for compaction, as well as site conditions enabling a trencher to maneuver. |
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| It also implies, but does not explicitly require, important installation details, such as complete backfilling of the trench and thorough compaction of backfill. |
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| There should be a clean section, a uniform base, the material pumped in with binder, a road roller run over it for compaction and a smooth pavement at the end of the repair. |
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| Soil compaction causes farmers a lot of problems by preventing moisture from seeping down to plant roots and by increasing water runoff and wind erosion. |
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| Characteristics such as mouthfeel, springiness, chewiness, compaction of the meat after chewing, and ease of swallowing all play a part in sensory texture profiles. |
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| Removal of water from compressible materials such as silt and clay can lead to compaction of the confining unit and subsidence of the land surface. |
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| In immature basins, the predominant hydrologic drive is compaction. |
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| Rolling only adds to the problem of compaction when the soil is wet. |
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| In pasture systems continuous lines of trees are not recommended as the animals tend to move repetitively along the length of a single line, increasing soil compaction. |
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| In other words, the original mortar was designed assuming that the mix of mortar with half of the chippings could be placed with a normal level of compaction. |
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| Higher rates of spread may be applied at the kerb face or edge of the carriageway, where normally less compaction occurs and water ingress may be a problem. |
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| Technique which allow to deal with Osteoporotic compaction, symptomatic vertebral angiomas, symptomatic tumours and vertebral matastases through percutaneous way. |
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| The gyratory shear compactor can be used to assess the compactability of the recycled material and to check that the voids content after compaction will not be too high. |
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| This attachment allows you to quickly handle a project requiring compaction with no need for a laborer in the trench with a hand-operated compactor. |
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| The padfoot shell kit expands the machines versatility and utilization while providing a simple and cost-effective solution for jobs that may require both padfoot and smooth drum compaction. |
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| Soil cone penetrometers have been used for years to measure soil compaction and to sense root impeding. |
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| Such damage may include compaction, rutting, erosion and nutrient loss. |
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| Habitat impact associated with the project will be dredging adjacent to the facility, compaction of substrate in the intertidal zone and installation of additional pilings. |
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| The tailing clay content, moisture content, permeability, compaction and shear strength indicated low to medium plastic soil, with low to medium water holding ability that could reduce the strength of the dump materials. |
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| This course examines the physio-chemical properties of soils and the effect of these factors on such soil properties as plasticity, compaction, swelling and permeability. |
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| The extent to which the slides retrogressed was related to the level of the water table and the loose compaction of the original railway embankment fill. |
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| Ultrasonic longitudinal waves describe membrane formation, compaction, and fouling. |
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| In sedimentary rocks, the magnetic foliation results from a combination of depositional processes and diagenetic compaction. |
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| This plough can be used to reduce the effects of compaction and to help break up ploughpan and hardpan. |
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| Shale is fine-grained rock made of silt or wet mud that has been lithified by compaction and cementation. |
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| Over a period of years, layers of firn undergo further compaction and become glacial ice. |
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| Surface cover increases capacity by retarding runoff, reducing compaction and other processes. |
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| In sedimentology compaction refers to the process by which a sediment progressively loses its porosity due to the effects of loading. |
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| In many countries, simpler waste compaction is a common practice for compaction at landfills. |
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| It is probably derived from sponge spicules or other siliceous organisms as water is expelled upwards during compaction. |
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| It is characterized by a very low sintering time allowing machines to sinter at the same speed as a compaction press. |
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| Redistribution of aggregates after compaction often creates inhomogeneity due to the influence of vibration. |
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| The composition, moisture, and compaction of soil are all major factors in determining the erosivity of rainfall. |
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| Soil compaction also affects the permeability of the soil to water, and hence the amount of water that flows away as runoff. |
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| Heavy grazing reduces vegetative cover and causes severe soil compaction, both of which increase erosion rates. |
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| This procedure requires no compaction after the cover aggregate has been placed. |
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| Densification of loose granular soils, heterogeneous soils and liquefiable soils can be achieved by surface compaction. |
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| Additionally, the large contact area of radials provides for better flotation and less soil compaction. |
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| From a certain compaction state, the degree of double jump can suddenly rise steeply and this can be noticed from the tremendous increase and violent vibration of the driver's cabin as well as a sharp rise in the noise level. |
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| Geotechnical engineers propose to improve liquefiable soils with compaction grouting. |
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| Most slash pines growing outside the natural areas were stressed by the hurricanes, drought, overirrigation, fertilizer, and compaction. |
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| Moreover, the company developed and patented an agglomeration process and a binder which authorises the use of very pure and highly alloyed metal powders in compaction. |
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| But that's not all because it permits dynamic compaction also when paving asphalt on bridges, compacting surface courses, producing thin pavement layers or compacting in the vicinity of vibration-sensitive structures. |
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| The influence of forming pressure on the compaction of the chips was observed on macrographs of the ground packets. |
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| The impact and rolling compaction towards soft ground like collapsible loess base can make them meet the requirements of bearing capacity and stability. |
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| During coalification, peat undergoes several changes as a result of bacterial decay, compaction, heat and time. |
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| Both compaction and cementation decrease the porosity. |
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| Its original mix design is an excellent compromise between compaction, macrotexture and microtexture, providing imperviousness and good skid resistance. |
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| These coals formed from the carbonization of plant debris, and it is generally held that one metre of coal equals the compaction of approximately five times as much plant material. |
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| The optimum water content for maximum dry density which results in maximum strength can be achieved for a given amount of work done on the soil in compaction. |
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| If you are looking for strenght and durability, Trailex's lowboy chip trailers stand up to the stress of chip compaction, mile after mile, garanteed. |
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| The overall deterioration in soil structure caused by compaction restricts root growth, water storage capacity, fertility, biological activity and stability. |
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| In 2001 and 2002, resloping and compaction tests were conducted on a portion of the Claude waste rock pile to evaluate constructability and waste rock cover performance to support the final cover design. |
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| This volume introduces the theoretical description of magnetic pulsed compaction process of nanopowders. |
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| The diagenetic processes that have affected the Arab-D reservoir include dolomitization, leaching and recrystallization, cementation, compaction and fracturing. |
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| The maximum depth to mollic colors can become thinner in a soil profile over time due to erosion, compaction, decomposition of organic matter, or gleying. |
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| If there is a variation in thickness and compactability of a sequence, loading by later deposits will give rise to spatially varying amounts of compaction. |
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| The process in the rock cycle which forms shale is called compaction. |
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| Subsidence is another issue, both from soil compaction on filled land, and also when wetlands are enclosed by levees and drained to create Polders. |
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| Ditch Witch Pneumatic Piercing Tools with Quick Reverse feature and Bolt-On Expanders help you complete your short-to-medium range compaction boring projects. |
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| This causes compaction, a process in which grains mechanically reorganize. |
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| During compaction, this interstitial water is pressed out of pore spaces. |
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| Alexanderwerk is an international supplier of roller compaction, granulation and size reduction equipment for the Pharmaceutical, Food and Chemical industries. |
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