• There are three categories of surfactants: detergents, wetting agents, and emulsifiers. (idealh2o.com)
  • washing hands with water and soap or detergents containing an antiseptic agent. (cdc.gov)
  • Drag reducing agents can be broadly classified under the following four categories - Polymers, Solid-particle suspensions, Biological additives, and Surfactants. (wikipedia.org)
  • To safeguard against degradation at high temperature, a different class of drag reducing agents are at times used, namely, surfactants. (wikipedia.org)
  • All three classes of surfactants, namely, anionic, cationic and nonionic surfactants, have been successfully tried as drag-reducing agents. (wikipedia.org)
  • In the broad sense, a foaming agent refers to all surfactants or surface-active substances whose aqueous solution can produce a large amount of foam when air is introduced. (cie-china.org)
  • Surfactants have good surface activity and are excellent reagents for preparing foaming agents. (cie-china.org)
  • The active electrical effect can slow down the drainage speed inside the foam and increase the stability of the foam, thus denying the view that the anionic and cationic surfactants may be inactivated after compounding. (cie-china.org)
  • Surfactants, or surface active agents, are chemicals we use daily in shampoo, in soap, in anything that produces foam. (ucalgary.ca)
  • The method is carried out in the following way: Determination of the surface tension of a series of solutions whose concentrations bracket the critical micellization concentration. (iso.org)
  • ISO 2871-1:2010 specifies a method for the determination of high-molecular-mass cationic-active materials such as quaternary ammonium compounds in which two of the alkyl groups each contain 10 or more carbon atoms, e.g. distearyl-dimethyl-ammonium chlorides, or salts of imidazoline or 3-methylimidazoline in which long-chain acylaminoethyl and alkyl groups are substituted in the 1- and 2-positions, respectively. (iteh.ai)
  • Plotting of the graph of surface tension as a function of the logarithm of the concentration: the critical micellization concentration corresponds to a singular point on this curve. (iso.org)
  • A surface-active substance that when added to water lowers surface tension and increases the "wetting" capabilities of the water. (idealh2o.com)
  • Reduced surface tension allows water to spread and to penetrate fabric or other substances to be washed or cleaned. (idealh2o.com)
  • Furthermore, surface activity parameters, i.e. surface tension ( γ CMC ) and critical micelle concentrations were determined. (springer.com)
  • Aqueous solutions of benzalkonium chloride foam when shaken, have a low surface tension and possess detergent and emulsifying properties (Wade & Weller, 1994). (inchem.org)
  • The foaming agent for cement is an admixture that can reduce the surface tension of the liquid and produce a large amount of uniform and stable foam, which is used to produce foamed concrete. (cie-china.org)
  • Water also rusts iron and steel, and it has a high surface tension (it doesn't wet and penetrate well). (ctemag.com)
  • The enzyme was found to be inactivated by the metal chelating agent, ethylene diamine tetracetate (EDTA) at 5 X 10-3 and 5 X 10-4 M concentrations. (who.int)
  • Examples of direct-acting elec- all have an impact on the outcome trophilic carcinogens are formalde- The term "genotoxic" refers to an of this proces s (Arana and Kunkel, hyde, sulfur mustard, and ethylene agent that induces DNA damage, 2010) . (who.int)
  • The method is not applicable if anionic surface active agents are present. (iteh.ai)
  • Surfactant" is a contraction for surface-active agent. (idealh2o.com)
  • Surfactant is a very convenient contraction of the term Surface-active agent. (wikipedia.org)
  • This kind of content is a surfactant or a surface-active material. (cie-china.org)
  • Rosin resin foaming agent is the earliest and most popular surfactant foaming agent. (cie-china.org)
  • American exports of organic surface-active agent exports increased by +5.6% y-o-y to $3.5B in 2020. (globaltrademag.com)
  • These fatty alcohols which are commonly used in the synthesis of surface active agents usually have between 11 and 18 carbon atoms per molecule. (springer.com)
  • As the structure-directing agent in the synthesis of MSNs, CTAC is stored within MSNs. (rsc.org)
  • After 500 ml of a solution of the substance to be tested have flowed down from a height of 450 mm onto the surface of the same solution, the volume of foam formed is measured, This method is applicable to all surface active agents, but solutions of easy-hydrolizable substances do not give reliable results because the hydrolysis products accumulate in the liquid films and affect the steadiness of the foam. (iso.org)
  • Cement foaming agent s are mainly used for making lightweight foam concrete products such as CLC blocks, thin partition boards, foamed cement insulation boards, foamed cement ground roadbed toilet backfill, and roof insulation. (cie-china.org)
  • The cellular concrete foaming agent is a kind of substance that can cause its aqueous solution to generate a large amount of foam when mechanical force is introduced into the air. (cie-china.org)
  • The narrowly defined foaming agent refers to those that can not only produce a large amount of foam but also have excellent properties. (cie-china.org)
  • but because the surface film layer of the foam contains more water, the drainage speed is faster, and the foam is stable. (cie-china.org)
  • Treatment of the particulate enzyme with 0.1 present and 0.5 present (v/v) of the nonionic surface active agent, Triton X - 100, solubilized 71 percent and 76 percent of the invertase. (who.int)
  • 9 Although the design of nanoparticles with triphenylphosphonium cation (TPP, the mitochondrion-targeting moiety) offers potential for mitochondrion-targeting therapeutics, it is still a challenge to actively deliver therapeutic agents to mitochondria due to the selective permeability of the mitochondrial membrane. (rsc.org)
  • However, therapeutic agents such as Imatinib have now been approved for the treatment of advanced GISTs. (scirp.org)
  • The method is applicable to solids or to aqueous solutions of the active material. (iteh.ai)
  • To this end, we report cetyltrimethylammonium chloride-loaded mesoporous silica nanoparticles conjugated with human serum albumin (CTAC@MSNs-HSA) as a mitochondrion-targeting agent for anticancer treatment. (rsc.org)
  • These are waterless antiseptic agents not requiring the use of exogenous water. (cdc.gov)
  • a soap (i.e., detergent) containing an antiseptic agent. (cdc.gov)
  • The process of applying an antiseptic hand-rub product to all surfaces of the hands to reduce the number of microorganisms present. (cdc.gov)
  • Interferons are thought to alter response to surface antigen and may enhance immune cell activities. (medscape.com)
  • Percutaneous or parenteral inoculation and direct contact of cuts, scratches, abrasions, or mucosal surfaces with suspensions of virus or specimens containing live virus are considered potential routes of infection. (cdc.gov)
  • Additionally, they are used in industrial cleaning (e.g. in situ ) and as disinfection agents providing veterinary hygiene. (springer.com)
  • Quaternary ammonium compounds are the active ingredients in disinfectants and sanitizers for homes, farms, hospitals, offices and public transportation vehicles. (inchem.org)
  • Drag-reducing agents (DRA), or drag-reducing polymers (DRP's), are additives in pipelines that reduce turbulence in a pipe. (wikipedia.org)
  • To reduce internal friction, chlorine, sulfur, and phosphorous atoms in straight oil and in extreme-pressure (EP) coolant additives penetrate the microcracks in metallic surfaces, thereby preventing the rebonding of metal atoms displaced in the cutting process and reducing the power needed to form a chip. (ctemag.com)
  • and diminish the surface pressure of water 4.5 X 10-2 N/m (45 dyne/Cm) or less. (setupfilings.com)
  • This study examined effects of blending desalinated water with conventionally treated surface water on iron corrosion and release from corroding metal surfaces and pre-existing scales exposed to waters having varying fractions of desalinated water, alkalinities, pH values and orthophosphate levels. (who.int)
  • However, higher fractions of desalinated water in the blends were also associated with more fragile corroding surfaces, lower retention of iron oxidation products and release of larger iron particles in the bulk water. (who.int)
  • SEM, XRD and XANES data showed that in surface water, a dense layer of amorphous ferrihydrite phase predominated in the corrosion products. (who.int)
  • More crystalline surface phases developed in the presence of desalinated water. (who.int)
  • It is generally rife in rural areas where stagnant surface waters such as water pools, backwaters and unprotected traditional wells are the main source of drinking water. (who.int)
  • The presence or absence of wetting agents determines which category a fluid belongs to. (ctemag.com)
  • In a major overhaul of its agent matching tool, Zillow has revamped searches of its vast agent profile database by adding new search filters that allow consumers to see which agents in a particular city, neighborhood or ZIP code have the best reviews, the most recent sales or the greatest number of listings. (inman.com)
  • Consumers can then sort their search results to surface the agents with the most recent sales, most listings, most "active" or best reviews in their search area. (inman.com)
  • Consumers can sort agent search results by most "active," most recent sales, best reviews and most listings. (inman.com)
  • If consumers are able to search for an agent by the number of listings they currently represent or have sold in the past, new agents or agents who are members of teams may be at a disadvantage, some have complained. (inman.com)
  • Zillow's chief rival, realtor.com, piloted an agent-search platform in 2013, AgentMatch, that it had to shutter based on industry pushback. (inman.com)
  • Zillow's revamped agent search platform also features a set of three agent ads that show up at the top of search results. (inman.com)
  • Three "featured" agents show up at the top of the search results on Zillow's revamped "Agent Finder" platform. (inman.com)
  • The Premier Agents that currently pay to show up on homes in a certain ZIP code now are included automatically on the agent search tool, at no cost, according to Zillow Group spokeswoman Amanda Woolley. (inman.com)
  • Realtor.com experimented with this idea with AgentMatch, the controversial agent-search platform it tested in two markets in 2013. (inman.com)
  • The magnitude of the disease became better known after active national case search surveys had been conducted. (who.int)
  • The swabs were individually placed in ster- logical agents dispersed outdoors at very high concentrations ile, dry 15-mL conical tubes. (cdc.gov)
  • Tear film parameters, ocular surface characteristics, symptomology and cytology markers were assessed at baseline and day 28. (nih.gov)
  • A key active site of curcumin for biological reactions is the diketo group, which acts as the primary hydrogen affinity site at physiological pH [ 1 , 12 ]. (hindawi.com)
  • Chemical fluids come in two distinct types, true-solution and surface-active fluids. (ctemag.com)
  • control systems for drilling to avoid unsafe roof conditions, safety enhancements for rock scaling personnel, chemical hazards at active metal and nonmetal mines, mobile roof support technology, engineering controls for reducing surface mining health hazards, skeletal modeling for protective mine gear, accident reconstruction and training, injury prevention during drilling and bolting operations, hazard reduction in surface mining of sand and gravel, and hazard reduction for surface mining haulage equipment. (cdc.gov)
  • The classic examples of necessarily be processed by the cel replication fidelity can confer strong chemical agents that require met- into a mutation (see Chapter 12, by mutator phenotypes that result in ge- abolic activation to become carci- DeMarini). (who.int)
  • Bonus segment - A live demo on the upgraded Nessus expert showcasing vulnerability assessment on both traditional IT infrastructure and new areas of the modern attack surface. (tenable.com)
  • Vulnerability Assessment featuring Infrastructure as code (IAC) and External Attack Surface Assessment and much more! (tenable.com)
  • To achieve wide dissemination modulating factors mentioned by the acteristics that distinguish them as and assessment, these key char- Workshop participants is meant to carcinogenic agents. (who.int)
  • Also, by lubricating the chip/tool and tool-flank/cut-surface interfaces, the angle of the shear plane increases and, as a result, the area of the shear plane decreases. (ctemag.com)
  • Real estate agent ads on portals in the Internet era has primarily focused on listings, but as agent profiles on the profiles become richer, that could change. (inman.com)
  • Mild to severe caustic burns of the skin and mucous membranes can occur depending on the agent and the concentration. (inchem.org)
  • Because of this, the drag reducing agent is re-injected after points like pumps and turns, where the pressure and temperature can be extra high. (wikipedia.org)
  • With a higher temperature, the drag reducing agent is easier to degrade. (wikipedia.org)
  • At a low temperature the drag reducing agent will tend to cluster together. (wikipedia.org)
  • Beyond the critical temperature, tools soften and wear rapidly and fail to meet tolerances for surface finish and part size. (ctemag.com)
  • The emulsions were obtained with the aid of three different surface-active agents at room temperature. (cdc.gov)
  • Such agents may be administered up to 4 times daily, but they should not be given to patients with active colitis, because of the risk of developing toxic megacolon . (medscape.com)
  • En Égypte, des isolats prélevés sur les tubulures d'appareils d'aspiration et de respiration artificielle (A8) et sur les cuvettes (A7) étaient liés à ceux prélevés chez les patients ayant ces antibiotypes. (who.int)
  • En Égypte, les isolats des patients étaient de types ERIC VII, VIII et IX et correspondaient à ceux des tubulures des appareils d'aspiration et de respiration artificielle et des cuvettes. (who.int)
  • Sampling focused on areas in the (105-108 agent-containing particles/m2). (cdc.gov)
  • We're thrilled to give agents another way to highlight their areas of expertise and local knowledge to connect with home shoppers on Zillow," he said of Agent Finder. (inman.com)
  • The investigation assesses 8 Nordic Swan criteria documents for eco-labelling of various product groups containing surface-active agents concerning criteria setting and the scoring procedures of products. (ivl.se)
  • Zillow doesn't have a separate ad product for agents to target exposure on Agent Finder. (inman.com)
  • Woolley wouldn't say whether Zillow has plans to develop an Agent Finder-specific ad product or if the ad impressions that accrue there will begin counting against the impressions Premier Agents currently buy in a ZIP code. (inman.com)
  • The agents documented and list- ed that carcinogens commonly show tween tumour sites in humans and ed as carcinogenic to humans one or more of 10 key characteristics experimental animals. (who.int)
  • The fibrinolytic potential of human urine was first described in 1947, and the active molecule was named urokinase. (medscape.com)
  • This document is applicable to fabric conditioners and antistatic agents. (iteh.ai)
  • Complement components deposited rapidly on the Y. pestis surface as measured by immunofluorescent microscopy. (cdc.gov)
  • Drag reducing agents have been found useful in reducing turbulence in the shipbuilding industry, for fire-fighting operations, oil-well fracturing processes, in irrigation systems and in central heating devices. (wikipedia.org)
  • In this study, we asked, is bactericidal sera from humans active in Y. pestis colonized fleas We found it was not. (cdc.gov)
  • Although these drag reducing agents are mostly used in oil lines, there is research being done to see how helpful polymers could be in reducing drag in veins and arteries. (wikipedia.org)
  • Consumers might soon go straight to the portals' agent databases to research agents and find the best one for them. (inman.com)
  • Dive into the research topics where Gary Harlow is active. (lu.se)
  • The essence of the foaming agent is its surface activity. (cie-china.org)
  • Without surface activity, it cannot be foamed, and it cannot be a foaming agent. (cie-china.org)
  • Surface activity is the core of foaming. (cie-china.org)
  • Surface active agents have a wide range of applications. (springer.com)
  • Ail reduced the amount of active C3b on the Y. pestis surface. (cdc.gov)
  • It connotes an organic molecule or an unformulated compound having surface-active properties. (wikipedia.org)
  • the microbiological load (i.e., number of viable organisms in or on the object or surface) or organic material on a surface or object prior to decontamination, or sterilization, also known as "bioload" or "microbial load. (cdc.gov)
  • The foaming agent for lightweight concrete is an essential material for making foamed cement. (cie-china.org)
  • Two surface sampling techniques were used. (cdc.gov)
  • 3. Any contact between the incising or masticating surfaces of the upper and lower teeth. (theodora.com)
  • However, the lack of mitochondrion-targeting agents has limited their application. (rsc.org)