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Activity Coefficient
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Products/Services for Activity Coefficient
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No Image AvailableHeadlamps - (28 companies)Headlamps are light sources that attach to a person 's head or helmet with flexible straps. They are used in dark or low-light environments where personnel need the use of both hands to perform an operation or activity. Applications for headlamps... Search by Specification | Learn More
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Radiation Detectors - (188 companies)Radiation detectors are used for medical diagnoses, radioactive dating measurements, and measurements of background radiation, activity levels and radiation doses. Radiation Detectors Information. Radiation detectors are used for a variety... Search by Specification | Learn More -
Scalar Network Analyzers - (46 companies)Scalar network analyzers measure the amplitude portion of scattering or S-parameters, reflection and transmission coefficients between the incident and reflection waves that describe a device’s behavior under linear conditions at the microwave... Search by Specification | Learn More -
Thermistors - (234 companies)There are two main types of thermistors: positive temperature coefficient (PTC) and negative temperature coefficient (NTC). With PTC thermistors, electrical resistance increases as temperature rises. With NTC thermistors, resistance drops in a nonlinear manner... Search by Specification | Learn More -
Nanomaterials - (266 companies)...of the reactions and the precursors can be hazardous. The type of substrate is limited since the films are deposited at higher temperatures and mechanical stress can occur if the materials have different thermal expansion coefficients. Molecular beam epitaxy... Search by Specification | Learn More -
pH Electrodes - (186 companies)...pH Electrodes Information. pH electrodes are analytical sensors for measuring potential of hydrogen (pH), the negative logarithm of the hydrogen ion activity in solution. The pH value of a substance is directly related to the ratio of the hydrogen... Search by Specification | Learn More
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Safety Laser Scanners - (15 companies)Safety laser scanners are used to monitor activity within a dangerous work area. They can be used in stationary or mobile applications. A safety laser scanner is a safety device that provides high-level safety to equipment as well as to people... Learn More
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Business Process Management Software (BPM) - (496 companies)...business process management (BPM) software supports only human-to-human tasks. Others support human-to-system and system-to-human activities. Business activity monitoring (BAM) allows managers to measure how existing processes help companies reach... Learn More
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Resistive Temperature Devices (RTD) Elements - (181 companies)...for temperature measurements at 0 C. Class A accuracy is multi-point and more precise, providing tighter control of the temperature coefficient and an accuracy of .3 C at 0 C. Although the American Society for Testing Materials (ASTM) also uses Class... Search by Specification | Learn More
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Real Estate Sales, Leasing, and Rental Services - (317 companies)Real Estate Sales, Leasing, and Rental Services involves the sales or rental of space to perform a business activity. Commercial, industrial and office space typically falls under these transactions. Sales involves transfer of title/ownership... Learn More
Product News for Activity Coefficient
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RBC Bearings
Lubron ® AE Self-Lubricating BearingsLUBRON® AE self-lubricating bearings are used in a variety of nuclear applications subject to medium-to-heavy loads and slow-to-medium speeds. LUBRON AE bearings are designed to minimize stresses resulting from differential thermal expansion and seismic activity, and have the capacity to resist high temperatures and exposure to irradiation. LUBRON AE's versatile properties provide maximum bearing life and maintenance-free operation in both dry and immersed environments. LUBRON AE... (read more)Browse Roller Bearings Datasheets for RBC Bearings -
Stahlin Enclosures
Catching Criminals Made Easier With Nail-and-Go™not use excessive bandwidth at the expense of quality of service for most customers. Users of IP cameras can consume their entire monthly bandwidth in a few days a month, or a few hours a day. Users of excessive bandwidth can have their service restricted or terminated, and this is occurring more often as cellular data networks become faster, since the use of outdoor digital video surveillance using IP-cameras is increasing. To help law enforcement view criminal activity, record better video evidence... (read more)Browse Electronic and Instrument Enclosures Datasheets for Stahlin Enclosures -
RTI Electronics
Surface Mount ThermistorsNTC Thermistors. Negative Temperature Coefficient (NTC) thermistors are thermally sensitive semiconductor resistors which exhibit a decrease in resistance as absolute temperature increases. Change in the resistance of the NTC thermistor can be brought about either by a change in the ambient temperature or internally by self-heating resulting from current flowing through the device. Most of the practical applications of NTC thermistors are based on these material characteristics. Surface Mount... (read more)Browse Thermistors Datasheets for RTI Electronics -
Dean Technology
NY3 Series High Voltage Disk CapacitorHVCA's high voltage, epoxy encapsulated ceramic capacitors are designed to meet the demanding requirements of high voltage applications. They are appropriate for applications requiring low dissipation factor, low voltage coefficient and good temperature stability, RoHS compliant construction, compact design and axial egress lead configuration. This series is ideal for applications where long creepage distances are needed such as high voltage devices operated in air. They are ideal... (read more)Browse Ceramic Capacitors Datasheets for Dean Technology -
Taconic
RF-35A2 Ultra Low Loss Power Amplifier SubstrateThe uniform dispersion of ceramic throughout the laminate yields extremely low x and y coefficients of thermal expansion. The low modulus and low x - y CTE values make RF-35A2 an attractive material for the surface mounting of chip carriers. Other benefits of RF-35A2 include temperature stable Dk and Df, excellent peel strength, low moisture absortpion, low loss properties and ease of drilling. This material is used in power amplifiers, filters/couplers, passive components, wireless antennas... (read more)Browse Printed Circuit Substrate Materials (PCB / PWB) Datasheets for Taconic -
Colibrys
HS8000 Accelerometermicro-machined silicon element, a low power ASIC for signal conditioning, a micro-controller for storage of compensation values and a temperature sensor. The product is low power, calibrated, robust and stable and the electronic configuration provides a solid power on reset and a full protection against brown-out. Long-term stability of bias and scale factor are typically less than 0.1% of full-scale range. For the ± 2g version (HS8002.D), typical bias temperature coefficient is 100 mg/°C and scale... (read more)Browse Accelerometers Datasheets for Colibrys -
MINTEQ® International Inc, Pyrogenics Group
Carbon-Carbon Compositesbase material • Low coefficient of thermal expansion • High thermal conduction and capable of temperatures > 1500 ºC • Long lasting performance with minimal wear • High friction coefficients with material strength tailored to the application • Consistent friction characteristics throughout operation range even after hundreds of operating hours • Smooth friction response at lower activating pressures • Resistance to corrosion, oxidation, and erosion... (read more) -
Taconic
Best in Class Loss Tangent & Thermal Managementand dissipation factor like its synthetic rubber (hydrocarbon) competitors. The low z axis coefficient of thermal expansion and temperature stable Dk make RF-35TC ideal for narrow band and broad band overlay couplers. In addition to high power applications, TSM-DS3 was developed to have very low coefficients of thermal expansion for demanding thermal cycling. The low x, y and z CTE values ensure that critical spacing between traces in filters and couplers have very low movement with temperature.TSM... (read more)Browse RF and Microwave Laminates Datasheets for Taconic -
Energy Control Systems
WM1P1-S Single Phase Surge CountersThe WM1P1-S is a Single Outlet Surge Monitor designed to provide evidence of surge activity on an individual 120 VAC circuit via an electrical outlet. This device senses a current pulse as the surge is captured and recorded on the LCD display. This kind of detection system indicates all of the transient activity on the electrical system. In the event that surge activity is detected through this device, then it is highly recommended that the electrical system be outfitted with a quality Surge... (read more) -
Rotronic Instrument Corp.
ROTRONIC HP23-AW-AROTRONIC solutions for the FOOD INDUSTRY AND WATER ACTIVITY: Water activity in the food industry. Water activity in general. Water activity: Water activity (aw) or equilibrium relative humidity (ERH) measures the water vapour pressure generated by the water present in a hygroscopic product. Water activity is based on a scale from 0 to 1. The formulas: aw = p / ps. (p is the water vapour pressure above the product surface and ps the water vapour pressure above the surface of pure water... (read more)Browse Humidity Measurement Instruments Datasheets for Rotronic Instrument Corp.
Conduct Research
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Biochemical modeling
with a typical Kd between 0.05 to 0.1 day-1 (Thimuruthi 1974; Metcalf and Eddy 1979; Benefield and Randal, 1980). This parameter is associated with the activity of the microorganisms themselves, rather than wastewater specifically. The value of the specific decay rate, Kd, appears to be relatively...
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Complete Moisture Analysis (.pdf)
and water activity values, as measured. coefficients that do the best job of explaining the. by a water activity instrument, to determine moisture. isotherm relationship. Data analysis software. content. This would allow a water activity. programs are used to determine these coefficients,. instrument...
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Advanced Medical Applications, Treatment Solutions, and Biotechnology (.pdf)
: Cardiac Mapping System Real Time Display of Heart Electrical Activity. Customer Schematic/Specifications: 16. 15. 14. 13. 12. 11. 10. 9. - Ohmic value: 10 k each. - Absolute tolerance: 0.005 %. - Ratio tolerance: 0.005 % between R1 thru R4, and R5 thru R8. R1. R2. R3. R4. R5. R6. R7. R8. - Absolute TCR...
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Water in Aromatic/Acetone Mixtures with a ChemView(R) Photometer
were determined by KF titration. Samples contain isopropyl benzene, acetone and phenol in approximately constant ratios. Results: C-H activity occurs in the 1700-1800 and 1100-1200 nm regions. The strong peaks at about 1690 and 1150 nm are due to aromatic C-H. Water occurs in two regions at 1430 nm...
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Ready, aim, shoot, send
connectivity will potentially provide the most convenient way to transfer data to and from the camera, designers should consider additional software development to make this feature truly convenient. Transfer of captured images from camera to computer is arguably the top activity which detracts from...
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3D Digitizing and Medical Applications (.pdf)
, research institutes and software partners. This global activity puts the company in an ideal position to offer successful product solutions for a wide range of 3D applications. The design and manufacture of 3D imaging systems is a logical next step in the development of Konica Minolta´s core...
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Ion Selective Sensors and Electrodes Technologies for Industrially, Environmentally and Biologically Significant Ion Measurements - Powerpoint Style Slide Presentation
Ionophores. vUsable activity range. often varies greatly from. linear range for ultra-low. measurements. vUncertainty of. measurement increases. greatly with lower. concentrations. [11]. Selectivity Coefficient. Determination Methods. ØSeparate Solutions Method (Nickolskii-Eisenman). ØFastest method...
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CHARCOAL FILTRATION
of impregnates can be employed with. charcoal. It should be realized, however, that as the capacity of the carbon for the difficult contaminants. is increased, its ability to handle other pollutant is decreased. Unimpregnated charcoal does not have. much absorptive activity with reactive gases...
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Bubreak siloxane
. These materials are dispersions of waxes and/or silicas, with dispersants, emulsifiers and a variety of materials to modify the surface activity of the defoamers and/or the process liquors in which they may function. The unfortunate side effects of these chemicals become apparent as they are pushed...
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I want my MVT
. MICROCLIMATE. Important parameters for the microclimate between skin and membrane are temperature and humidity. To maintain a constant core temperature and a thermodynamic equilibrium between microclimate and environment (as a definition of comfort) the heat generated by human activity should equal...
Engineering Web Search: Activity Coefficient
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ThermoDex | University of Texas at Austin Libraries Properties: acentric factor activation energy activity coefficient adsorption Antoine constants appearance potential autoignition temperature |
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pH - Wikipedia, the free encyclopedia where aH+ is the activity of hydrogen ions in units of mol/L (molar concentration). (Thus, the units of pH are log(L/mol), although this is seldom |
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Henry's law - Wikipedia, the free encyclopedia in" (i.e., increasing the solubility) effect (see the article on activity coefficient). The Sechenov equation can be written as[7: |
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EPA Exposure Research - Prediction of the Solubility, Activity... Prediction of the Solubility, Activity Coefficient and Liquid/Liquid Partition Coefficient of Organic Compounds |
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Ecological Structure Activity Relationships | New Chemicals... Ecological Structure Activity Relationships (ECOSAR) Ecological Structure Activity Relationships (ECOSAR) |
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NOAA - Air Resources Laboratory Activity Reports Summary Handouts Employment Tranfer Coefficient Matrix for Fukushima Daiichi |
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Activity coefficient: Facts, Discussion Forum, and... Activity coefficient Activity coefficient Ask a question about 'Activity coefficient' |
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Activity Coefficients Package -- from Wolfram Library Archive This package provides experimental data on the mean activity coefficient in water at 25 degrees celsius for some common electrolytes, as well as |
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Re: Enquiry Uncharged species often have activity coefficient expressions that produce activity coefficients greater than 1 at all ionic strengths. |
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Summary of PHRQPITZ |
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