subsurface

Geoscientists and engineers are expected to understand and be able to efficiently and accurately generate many types of subsurface maps.

Results of electrical survey using non-contact electrodes agree with that of other methods for shallow subsurface investigation.

For a time surface and subsurface currents are in opposite directions ; flow is seaward at the surface and landward near the bottom.

The U. S. Department of Energy aims to help with that by funding research into subsurface exploration.

Subsurface drip irrigation (SDI) is one of the water saving irrigation system, with its obvious advantages and some disadvantages.

This method has been used by dealing with the subsurface fluid data obtained in Haikou city, and get a quite good results.

Scientists think life exists even further down - to the point where the subsurface heat becomes unbearable for life.

Combination of these logs, supported by plotted sample description, are used in establishing precise subsurface stratigraphic correlations.

As this approach reached the point of diminishing returns, new methods of studying the subsurface were needed.

The level to which all subsurface depths in an area are referred, normally the mean sea level.

A variety of subsurface geometrical configurations are found in nature, and a great number of tools are available for their exploration.

In light of the hazards and uncertainties associated with subsurface waste disposal, deep well injection may create pollution problems.

Reflections are the main carriers of subsurface structures, and also the main information used in seismic imaging.

This effect is again the result of increased runoff and subsurface movement through saturated soils around improperly sited septic tanks.

Mineralogical inputs are often overlooked when performing subsurface geological and reservoir interpretation.

If extant life exists on Mars today, it is likely to be in deep subsurface environments that will be inaccessible to robotic platforms.

Subsurface flow constructed wetlands (SFS) can effectively remove BOD from the system, but less effectively for denitrification.

These results indicate that the heat storage variation reflects mostly the variation at the subsurface ocean temperature in WPWP.

Team members must still calculate what portion of subsurface ice actually rose into view and could have been measured, Colaprete noted.

Subsurface inclusion is one of the reasons causing surface crack of rolled steel.

Canada, Russia, the United States, Norway and Denmark are currently competing to secure subsurface rights to the Arctic.

Irrigation methods can be divided into four main types--surface, subsurface, sprinkler, and trickle irrigation and many subtypes.

Correction to "subsurface inverse scattering problems: quantifying, qualifying, and achieving the available information"

The conversion of observed reflection time to a correct geometrical picture of the subsurface involves a number of steps.

Nitrogen and phosphorus removal mechanism in subsurface wastewater infiltration system treating domestic wastewater was studied.

It provides theoretical evidence for studying distribution and destination of organic pollutant transport in subsurface environment.

Petroleum and natural gas industries - Subsurface safety valve systems - Design , installation , operation and redress .

The challenge in exploration is therefore to unravel the subsurface geology of an area and pinpoint the position of buried minerals.

Very little has been written about the identification and delineation of these ancient counterparts in the subsurface.

The digital transformation of Xinjiang subsurface fluid was just done in Wenquan, korla and Wushi station.

Moreover, it allows spectral scans to be made of non-visible, subsurface layers of sample materials such as skin or skin or fruit shells.

grinding process must be a balance of material removal and subsurface damage.

These are conditions that make subsurface drip irrigation a suitable alternative to the surface system.

During the moulding phase the melt flows into the impression via the runner, subsurface gate and peg (gate) respectively.

There have been reported observation of localized methane pockets on Mars that could come from subsurface microbes.

For the purpose of rapid measurement of Subsurface Damage(SSD) in lapping process, a nondestructive measuring method was developed.

is the formation of a hardened layer, which transfers the crack initiation site from surface to subsurface of M2 steel mandrel roller.

Environmental Hydrogeology concerns the study of flow of fluids and transport of mass and energy in the subsurface.

Maintain permanent fleet cryptologic and carry-on direct support systems required in special land, sea surface and subsurface operations.

An objective of the Phoenix Mars Lander mission is to search for ice (frozen water) in the shallow subsurface of Mars.

Inadequate subsurface drainage of pavement has been identified as a primary cause of causing or accelerating pavement damage.

But the presence of the hypothesized subsurface ocean isn't as simple to confirm as it sounds.

Petroleum and natural gas industries - Downhole equipment - Subsurface safety valve equipment.

Other instruments on the spacecraft will study the lunar subsurface and gather data on the space environment around the moon .

This region can be considered to consist of surface atoms and subsurface atoms.

Problem sets provide hands-on experience in interpreting subsurface structures using surface, seismic, outcrop, and well log data.

The degradation of hydrocarbons and other chemical residues in contaminated subsurface environments presents special challenges.

steels where rapid removal is essential and subsurface damage is not a critical parameter.

Study on removal rate of pollutants and plant growth in subsurface and surface flow constructed wetlands.

Studies on subsurface- flow wetland treatment system for special thick oil production wastewater from Liaohe oilfield .

The boundary between the oil and the gas cap in a subsurface, saturated oil reservoir.

Nuclear explosions are generally classified as air bursts, surface bursts, subsurface bursts, or high altitude bursts.

uses magnetic fields to locate surface and subsurface discontinuities in ferromagnetic materials.

The depth of cracks on the silicon sample subsurface corroded was measured by a scanning electron microscope.

ILM's renders used cutting edge subsurface scattering techniques to emulate the effect of light passing through such materials.

Groundwater----Subsurface water that occurs beneath a water table in soils, rocks, or in fully saturated geological formation.

In the subsurface flow constructed wetland, insoluble phosphorus is removed by adsorption and deposition during wet season.

Subsurface temperature increases with burial depth might cause fluid expansion in most sedimentary basins .

The crack and joint are the main way to come into cement concrete pavement subsurface for the rainfall.

The overall region where this water exists is called the subsurface biosphere.

A test project of the subsurface soil infiltration system for rural domestic sewage treatment is built.

Compared with turf spray irrigation system, the subsurface drip irrigation(SDI) is better in water saving and management.

Thereby the structure of the conventional subsurface pump is modified, and material quality and surface hardening technology are improved.

The residual stress existed in subsurface and the amount of residual austenite were tested using XRD technique.

The observations of fracture surface under SEM found that fatigue cracks initiation area exists mostly in surface and in subsurface.

The storage of radioactive waste in the subsurface is a possible solution of their ultimate disposal.

And there he is. The final model. Created Subsurface Scattering for the face and hands. Now its time to rig and pose the character.

This form has also accumulated in the subsurface horizons of many soils in humid regions.

Subsurface structures are complex in east Sichuan basin with high-steep structures being commonly seen.

Based on the assessment result determined the maintenance and reconstruction of the subsurface pipeline on the old oilfields.

The subsurface extent of the BIF is revealed by detailed ground magnetic and gravity surveys.

Subsurface Flow is the flow of water underground, in the vadose zone and aquifers.

As an arisen water-saving irrigation mwthod, subsurface drip irrigation (SDI) has been paid more interesting.

LS-DYNA is employed to research the local damage effect of tunnel lining subjected to conventional subsurface blast.

Both types of traps are identified and analyzed best in the subsurface by relating them to lithologic time marker .

It carved valleys, and some impacts appear to have melted subsurface ice to generate mudflows.

A subsurface body of rock having sufficient porosity and permeability to store and transmit fluids.

The subsurface meridional flow plays an important role in the dynamics of the sunspot cycle.

Subsurface infiltration system has been designed to treat rural domestic wastewater in Dianchi valley.

The IP method can probe to subsurface depths of thousands of meters.

Subsurface irrigation is limited in its adaptation.

All Spirit's cameras could see was volcanic rock and wind-blown dust in every direction, even in the subsurface layers inside craters.

The results show that both surface and subsurface fatique crack initiation are observed.

The most common errors found on subsurface maps are illustrated with numerous examples from the industry.

and less crystallinity all favor lower subsurface orientation.

A radioactive type of wireline well log that measures the density of subsurface formations.

The subsurface fluid and fluid force produced by subsurface fluid universally exist and have influence on tectonism.

The subsurface water may have come from a spring, a river, or a stream.

Subsurface geologic maps are the most important and widely used documents in petroleum exploration and development.

GPR uses microwave radar pulses to create detailed images of subsurface objects.

The subsurface oxide layers generated stresses in the sheet and impeded domain wall motion, so that the iron loss was increased.

Surface and subsurface soil changes of the basic agreement.

aeration is carried out by the subsurface flow aerator to the water body through the rectify unit.

This study is concerned essentially with subsurface water.

In addition to detecting objects, the reflected radar pulses can detect variations in subsurface structures.

The more mixing that occurs in the estuary, the greater is the landward flow in the subsurface layer.

A tool for subsurface use incorporating the neutron generator.

The Miniature Radio Frequency will look for subsurface ice and map craters.

AVO technique is based on amplitude changing with incident angle to get lithologic information of subsurface strata.

Note that the peg is 'sheared' from the subsurface gate in tile process.

A lot of secondary cracks were observed on the crack propagation subsurface.

This means that engineering cost is more sensitive to subsurface water.

An accumulation, pool or group of pools of oil in the subsurface.

A rapid survey of the theory of subsurface hydrology is presented in Chapters 1 and 2.

Theroot infection rate was higher in top soil than in subsurface soil in Ash and Larch plantation.

Both surface and subsurface data could be used together.

It is also concluded that subsurface-feeding activities is a better indicator of satiety in cobia culture.

The development of subsurface flow in soil slope due to rainfall infiltration has been studied with numerical analysis.

In this way, the subsurface sedimentary structures that trap oil, such as faults, folds, and domes are mapped by the reflected waves.

We fly over valleys. We can fly over surface magnetism, the polar caps, subsurface water.

It can never be used as the sole criterion for identifying a channel sandstone in the subsurface.

Based on the development of drip irrigation, subsurface drip irrigation(SDI)is a new kind of high_efficiency water saving irrigation.

This is the important link for problems of subsurface flow.

Sure , for example, he surface lithology, hydrologic conditions and subsurface formation, tec.

It is very important to detecting subsurface mass for civil engineering prospecting, earthquake rescue, and so on.

Yang, C. -Y. (1972) Note on the subsurface unconformity in the Pakuashan area. Petroleum Geology of Taiwan, 10, 179-186.

The comparative study of physical properties of the surface and subsurface hydrocarbon reservoirs in one oilfield in western China

Standard Guide for Using the Surface Ground Penetrating Radar Method for Subsurface Investigation

Scattering of SH waves by an isosceles triangular hill above a subsurface elastic cylindrical inclusion

Enhanced Nitrogen Removal by Means of Intermediate Distributary in Subsurface Infiltration System

On Concept of Precursor Array and Discussion on Construction Plan for Precursor Array of Subsurface Fluid

Ground Motion of a Semi - cylindrical Sedimentary Stratum Nearby Multiple Subsurface Circular Structures Impacted by SH Waves

For a time, surface and subsurface current are in opposite directions;

Subsurface temperatures during the last millennium: Model and observation

Coupled dynamic model of light non-aqueous phase liquid transport in subsurface and its numerical solution

Winter Subsurface Layer Thermal State Character of the North Pacific and Its Relationship with the Summer Climate in the East of China

Electromagnetic Scattering From Multilayer Rough Surfaces With Arbitrary Dielectric Profiles for Remote Sensing of Subsurface Soil Moisture

Study on Achievement of Shortcut Nitrification and Denitrification in a Subsurface Constructed Wetland

Performance of Nutrients Removal of Two-stage Inverse Vertical Subsurface Flow Constructed Wetlands

Application of the Medium-Depth Bore Grouting Technology in Subsurface-Excavation Shallow Tunneling in Water-Rich Saturate Sand Stratum

Annual variation characteristics of subsurface temperature, HST and MLD over the Tropical Pacific-Indian Ocean

Convective activity in the Labrador Sea: Preconditioning associated with decadal variability in subsurface ocean stratification

Study on Performance of Two-stage Inverse Vertical Subsurface-flow Constructed Wetland for Removal of Nutrients

A preliminary study of rainfall infiltration on slope using a new coupled surface and subsurface flow model

Construction of a Super Shallow Buried Subsurface Excavated Underpass

Nitrogen removal by a subsurface flow constructed wetlandswastewater treatment system and nitrogen-transformation bacteria

Manufacture and Experimental Research on Block-resistance Subsurface Drip Irrigation Emitter with High Irrigation Uniformity

Characteristics of Subsurface Fluid Anomaly Field and Its Genesis before Minle-Shandan Earthquake

Finite Element Modeling of Soil Water Movement Under Subsurface Irrigation With Porous Pipe and Its Application

Three Phase, Manually Operated Subsurface Load Interrupting Switches for Alternating-Current Systems, Requirements for

Supplementary quality assurance requirements for subsurface investigations for nuclear power plants

Experimental Research on Characteristic of Soil Water and Salt Transport under Subsurface Drip Irrigation

Relationships Between Loading Rates and Nitrogen Removal Effectiveness in Subsurface Constructed Wetlands

Laminating Detection of Defects Under Metal Subsurface Using Difference Method of the Thermal Wave Induced by the Pump Laser

Standard Practice for Subsurface Installation of Corrugated Polyethylene Pipe for Agricultural Drainage or Water Table Control

Electromagnetic Propagation of GPR Signals in Martian Subsurface Scenarios Including Material Losses and Scattering

Theoretical Analysis of Subsurface Defects Detection of Composite Material Using Infrared Thermal Imaging Technique

Purification Efficiency of Agriculture Wastewater by Subsurface Constructed Wetland

Phosphorus Removal of Agriculture Wastewater Through Subsurface Constructed Wetland

Practice for Subsurface Installation of Corrugated Thermoplastic Tubing for Agricultural Drainage or Water Table Control

Evolution characteristics of the subsurface temperature anomaly in the equatorial Pacific to two pattern ENSO events

Precursory Anomalies of Subsurface Fluid before Jingyang Earthquake and Baoji Earthquake at the Lintong Seismic Station

Test Method for Determining Subsurface Liquid Levels in a Borehole or Monitoring Well (Observation Well)

Study Progress in Methods to Improve the Ability of Denitrification in a Subsurface Flow Constructed Wetland

Phosphorus removal performance of vertical subsurface flow constructed wetland with zeolite as substrate material

Petroleum and natural gas industries; subsurface safety valve systems; design, installation, operation and repair

Minimum entropy regularization in frequency-wavenumber migration to localize subsurface objects

Influence of Surface and Subsurface Waterlogging Stress on Spatial Distribution of Bolls during Different Growth Periods in Upland Cotton

Methods of atmospheric temperature-subsurface temperature variation models and application to leveling mark

Subsurface Sensing of Buried Objects Under a Randomly Rough Surface Using Scattered Electromagnetic Field Data

Study on a New Quantitative Thermographic Evaluation Method of Three-Dimensional Subsurface Defect for Electric Apparatus

The result shows that the different tectonic subunits of Xihu sag are of various features of subsurface geothermal and pressure regimes;

The Comparison of Constructive Programs with Shallow Burying Method and Subsurface Excavation Method at Ciqikou Station in Beijing Metro

The West Pacific warm pool variation and its influence on subsurface ocean temperature field in the West Pacific

Modeling of Ground-Penetrating Radar for Accurate Characterization of Subsurface Electric Properties

Future application, existing problem and recommendation of Fruit tree subsurface irrigation in Shaanxi Province

Prognosis and Morphological Analysis of Subsurface Concealed Magmatic Bodies in Tongling Ore Concentration Area

Treatment Performance and Enhancement of Subsurface Constructed Wetland Treating Polluted River Water in Winter

Experimental studies on subsurface flow constructed wetland for water quality improvement in Guanting Reservoir

Research on Automatic Target Detection and Orientation of Ground Penetrating Radar in Shallow Subsurface Application

Study on Ability of Nitrification in a Subsurface Constructed Wetland System Treating Sewage

Joint inversion of geophysical and hydrological data for improved subsurface characterization

Study on Relation between Earthquakes and Subordinate Function Anomalies of Subsurface Fluid in Guangdong and Fujian Province

Three-phase, manually operated subsurface and vault load-interrupting switches for alternating-current systems

Variability of Tropical Pacific Subsurface Physical Quantity Fields and Their Correlations with Zonal Wind Stress

Dynamic analysis of multiple semi-cylindrical alluvial valleys with multiple subsurface circular cavities under SH waves

Fitting Method of Membership Function of the Oceanic Subsurface-Intermediate Mixing Water Mass and

Preliminary Discussion on the Macroscopic Anomaly Verification for the Subsurface Fluid

The application of grouting strengthening in subway shallow-buried subsurface excavated underground line

Numerical modeling with multiphase flow model of petroleum pollutant transport in subsurface environment

Current Situation and Developing Trend of Subsurface Irrigation Technology in Protected Land Cultivation

Nitrogen and phosphorus removal mechanism in subsurface wastewater infiltration system

The Monitoring Technology of Constructing Subway with the Shallow Burying and Subsurface Excavation Method

Analysis and calculation of surface and subsurface settlement trough profiles due to tunneling

Design and Construction for Beijing Subway Puhuangyu Station Shallow Tunnel with Subsurface Excavation Method

The Cause Analysis of Subsurface Transversal Streak for Continuous Casting Slab

Sustainable Operation of Subsurface Constructed Wetland Treating Polluted River Water

Characteristics of Pollutants Degradation by Subsurface Flow Type Constructed Wetland

Digitalized reconstruction for subsurface fluid observation in Seismostation of Shengli oil field

Westerly anomaly, eastward propagation of the subsurface temperature anomaly and El Nino event

Removal of nitrogen and phosphorus by integrated subsurface flow-upward vertical flow constructed wetland process

Study on Nitrogen Removal Treating Agriculture Wastewater in Subsurface Constructed Wetland

Research on the moving behaviors and modeling of light nonaqueous phase liquid in subsurface

Preliminary Studies on the Anomalies of the Subsurface Fluids in Wuliying Comprehensive Observation Well before Earthquakes

Standard Practice for Reporting Results of Examination and Analysis of Deposits Formed from Water for Subsurface Injection

Accounting for the Effects of Widespread Discrete Clutter in Subsurface EMI Remote Sensing of Metallic Objects

A Study on Micro-vibration Controlled Blasting for Subsurface Excavated Shallow-buried Subway Station in Crowded Downtown Area

A Research over Construction Technology for Shallow-buried Subsurface Excavated Metro Tunnel in Water-abundant Ground

Numerical simulation and validation of soil water movement under subsurface drip irrigation with point-source emitter

An Effective Method for Realizing Fast Synthetic Aperture Imaging of Shallow Subsurface Ground Penetrating Radar

Generation of subsurface cyclonic eddies in the southeast Baltic Sea: Observations and numerical experiments

Standard Practice for Sonic Drilling for Site Characterization and the Installation of Subsurface Monitoring Devices

Effects of lower limit of subsurface drip irrigation on tomato growth and its yield in plastic tunnel

Recommended practice for design, installation, repair and operation on subsurface safety valve system

Subsurface chlorophyll maximum: its temporal-spatial distribution and formation mechanism in the ocean

Subsurface drainage for salinity control in semi-arid irrigation region: performance assessment

Standard Specification for Circular-Knit Geotextile for Use in Subsurface Drainage Applications

Construction technology for shallow-buried subsurface excavated group tunnels

Application of Subsurface Flow Constructed Wetlands in Controlling Storm Runoff Pollution

Research on Measurement and Prediction Methods of Subsurface Damage Depth of Optical Materials in Grinding Process

Simulating heat transport of harmonic temperature signals in the Earth's shallow subsurface: Lower-boundary sensitivities

Study on the Application of Vertical-subsurface Flow Constructed Wetland for Wastewater Treatment in the River Basin of Beijing

Subsurface Characterization With Support Vector Machines

Recommended method for design, installation, repair and operation of subsurface safety valve system

Estimation of ocean subsurface thermal structure from surface parameters: A neural network approach

Air-ground temperature coupling and subsurface propagation of annual temperature signals

Numerical Simulation and Application of Soil Water Movement under Subsurface Irrigation with Porous Pipe

Provide numerous analogs (outcrop, subsurface, and shallow sea floor models) for various reservoir types

Characteristics of root growth in fast-growing and high-yield poplar plantations under subsurface drip irrigation

Scattering of SH-wave by a semi-cylindrical hill above a subsurface elastic cylindrical inclusion

An Exploration of Forcing Conversion Technology for Shallow-buried Subsurface Excavated Metro

The manipulation of Cu subsurface interstitial atoms with scanning tunneling microscope

A Subsurface-Flow, Constructed Wetland for Wastewater Treatment and Application Thereof

Application Limitation and Operation of Subsurface Flow Constructed Wetland

Three-Dimensional Bayesian Inversion With Application to Subsurface Sensing

Preliminary Discussion on the Subsurface Drip Irrigation for Cotton in Xinjiang Municipality

Intraseasonal variations of surface and subsurface currents off Java as simulated in a high-resolution ocean general circulation model

Computer Simulation on Soil - Water Movement under the Condition of Different Irrigation Design Parameters in Subsurface Drip Irrigation

Analysis of the input characteristics of electrically short antenna in the subsurface

Application of shallow subsurface excavation method on underground works of railway stations and yards

Modeling and Simulation of Use High Pressure System with Flow for Cultivating Subsurface Microbial for Sampling

A New Quantitative Thermographic Identification Method of Subsurface Defect for Infrared Sensor System

Ground motion of semi-cylindrical alluvial valley above subsurface circular structure impacted by SH waves

Development and application of an anti-sand subsurface pump for heavy oil recovery

Interactions between Subsurface Ocean Temperature Anomalies in the Western Pacific Warm Pool and ENSO Cycle

Research on wastewater treatment using wavy subsurface flow constructed wetlands

Effect of pesticides application on controlling of tomato root distribution in subsurface drip irrigation

Interference degree--an index for assessing the observation conditions of subsurface fluids

Construction and settlement control of shallow-buried subsurface-excavated tube in Shenzhen

Methods to Improve the Ability of Denitrification for Designing a Subsurface Flow Constructed Wetland

Normal fluctuation of subsurface fluid and short - term anomaly before earthquakes at Shantou station

Analysis of monthly abnormity frequency stacking of subsurface fluid of Guangdong and Fujian Province

Relations Between Phosphorus Removal in Sewage and Medium in Wavy Subsurface Constructed Wetland

Analysis of spatial variability of soil characteristics and crop yield under subsurface drainage

The Comparison Between Simulation Results and Subsurface Flow Observed in the Rainfall Experiment

Causes to form subsurface transversal crack in slab with straight mold type caster and its precautions

Effect of different low irrigation limit on growth, quality and yield of tomato under subsurface drip irrigation in greenhouse

Influence analysis of shallow burying subsurface excavation construction method in Guyunhe Undercurrent

Study on Yield-increasing Effect of Wheat Subsurface Irrigation with Catchment and Water Production Efficiency in Dry land

Late Quaternary Environmental Evolution in the Bohai Sea Area and Formation of Quaternary Subsurface Brine