Quartz: Quartz (SiO2). A glassy or crystalline form of silicon dioxide. Many colored varieties are semiprecious stones. (From Grant & Hackh's Chemical Dictionary, 5th ed)Quartz Crystal Microbalance Techniques: The use of a quartz crystal microbalance for measuring weights and forces in the micro- to nanogram range. It is used to study the chemical and mechanical properties of thin layers, such as polymer coatings and lipid membranes; and interactions between molecues.Silicosis: A form of pneumoconiosis resulting from inhalation of dust containing crystalline form of SILICON DIOXIDE, usually in the form of quartz. Amorphous silica is relatively nontoxic.Threshold Limit Values: Standards for limiting worker exposure to airborne contaminants. They are the maximum concentration in air at which it is believed that a particular substance will not produce adverse health effects with repeated daily exposure. It can be a time-weighted average (TLV-TWA), a short-term value (TLV-STEL), or an instantaneous value (TLV-Ceiling). They are expressed either as parts per million (ppm) or milligram per cubic meter (mg/m3).Silicon Dioxide: Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.Dust: Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed)Carbon Compounds, Inorganic: Inorganic compounds that contain carbon as an integral part of the molecule but are not derived from hydrocarbons.Coal MiningPolyvinylpyridine N-Oxide: Inhibits the cytotoxic action of quartz and is reported to have delayed the development of experimental silicosis in rats.Pneumoconiosis: A diffuse parenchymal lung disease caused by inhalation of dust and by tissue reaction to their presence. These inorganic, organic, particulate, or vaporized matters usually are inhaled by workers in their occupational environment, leading to the various forms (ASBESTOSIS; BYSSINOSIS; and others). Similar air pollution can also have deleterious effects on the general population.Silicon Compounds: Inorganic compounds that contain silicon as an integral part of the molecule.Air Pollutants, Occupational: Air pollutants found in the work area. They are usually produced by the specific nature of the occupation.Inhalation Exposure: The exposure to potentially harmful chemical, physical, or biological agents by inhaling them.Biosensing Techniques: Any of a variety of procedures which use biomolecular probes to measure the presence or concentration of biological molecules, biological structures, microorganisms, etc., by translating a biochemical interaction at the probe surface into a quantifiable physical signal.Aluminum Silicates: Any of the numerous types of clay which contain varying proportions of Al2O3 and SiO2. They are made synthetically by heating aluminum fluoride at 1000-2000 degrees C with silica and water vapor. (From Hawley's Condensed Chemical Dictionary, 11th ed)Occupational Exposure: The exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation.Adsorption: The adhesion of gases, liquids, or dissolved solids onto a surface. It includes adsorptive phenomena of bacteria and viruses onto surfaces as well. ABSORPTION into the substance may follow but not necessarily.Surface Properties: Characteristics or attributes of the outer boundaries of objects, including molecules.Mythology: A body of stories, the origins of which may be unknown or forgotten, that serve to explain practices, beliefs, institutions or natural phenomena. Mythology includes legends and folk tales. It may refer to classical mythology or to a body of modern thought and modern life. (From Webster's 1st ed)Jewelry: Objects of precious metal usually containing gems and worn to enhance personal appearance. Health concerns include possible contamination from lead content or bacteria.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Cemeteries: Areas set apart as burial grounds.Dentistry, Operative: That phase of clinical dentistry concerned with the restoration of parts of existing teeth that are defective through disease, trauma, or abnormal development, to the state of normal function, health, and esthetics, including preventive, diagnostic, biological, mechanical, and therapeutic techniques, as well as material and instrument science and application. (Jablonski's Dictionary of Dentistry, 2d ed, p237)Berberine Alkaloids: A group of related plant alkaloids that contain the BERBERINE heterocyclic ring structure.Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086].Minerals: Native, inorganic or fossilized organic substances having a definite chemical composition and formed by inorganic reactions. They may occur as individual crystals or may be disseminated in some other mineral or rock. (Grant & Hackh's Chemical Dictionary, 5th ed; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts; atomic number, 22; atomic weight, 47.90; symbol, Ti; specific gravity, 4.5; used for fixation of fractures. (Dorland, 28th ed)Hafnium: Hafnium. A metal element of atomic number 72 and atomic weight 178.49, symbol Hf. (From Dorland, 28th ed)Quebec: A province of eastern Canada. Its capital is Quebec. The region belonged to France from 1627 to 1763 when it was lost to the British. The name is from the Algonquian quilibek meaning the place where waters narrow, referring to the gradually narrowing channel of the St. Lawrence or to the narrows of the river at Cape Diamond. (From Webster's New Geographical Dictionary, 1988, p993 & Room, Brewer's Dictionary of Names, 1992, p440)Canada: The largest country in North America, comprising 10 provinces and three territories. Its capital is Ottawa.Medical Illustration: The field which deals with illustrative clarification of biomedical concepts, as in the use of diagrams and drawings. The illustration may be produced by hand, photography, computer, or other electronic or mechanical methods.Centers for Disease Control and Prevention (U.S.): An agency of the UNITED STATES PUBLIC HEALTH SERVICE that conducts and supports programs for the prevention and control of disease and provides consultation and assistance to health departments and other countries.Ships: Large vessels propelled by power or sail used for transportation on rivers, seas, oceans, or other navigable waters. Boats are smaller vessels propelled by oars, paddles, sail, or power; they may or may not have a deck.Play and Playthings: Spontaneous or voluntary recreational activities pursued for enjoyment and accessories or equipment used in the activities; includes games, toys, etc.Risk Management: The process of minimizing risk to an organization by developing systems to identify and analyze potential hazards to prevent accidents, injuries, and other adverse occurrences, and by attempting to handle events and incidents which do occur in such a manner that their effect and cost are minimized. Effective risk management has its greatest benefits in application to insurance in order to avert or minimize financial liability. (From Slee & Slee: Health care terms, 2d ed)Video Games: A form of interactive entertainment in which the player controls electronically generated images that appear on a video display screen. This includes video games played in the home on special machines or home computers, and those played in arcades.Game Theory: Theoretical construct used in applied mathematics to analyze certain situations in which there is an interplay between parties that may have similar, opposed, or mixed interests. In a typical game, decision-making "players," who each have their own goals, try to gain advantage over the other parties by anticipating each other's decisions; the game is finally resolved as a consequence of the players' decisions.MiningDiamond: Diamond. A crystalline form of carbon that occurs as hard, colorless or tinted isomeric crystals. It is used as a precious stone, for cutting glass, and as bearings for delicate mechanisms. (From Grant & Hackh's Chemical Dictionary, 5th ed)LizardsPakistanComplementary Therapies: Therapeutic practices which are not currently considered an integral part of conventional allopathic medical practice. They may lack biomedical explanations but as they become better researched some (PHYSICAL THERAPY MODALITIES; DIET; ACUPUNCTURE) become widely accepted whereas others (humors, radium therapy) quietly fade away, yet are important historical footnotes. Therapies are termed as Complementary when used in addition to conventional treatments and as Alternative when used instead of conventional treatment.Pressure: A type of stress exerted uniformly in all directions. Its measure is the force exerted per unit area. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Hydrostatic Pressure: The pressure due to the weight of fluid.Elasticity: Resistance and recovery from distortion of shape.Atmospheric Pressure: The pressure at any point in an atmosphere due solely to the weight of the atmospheric gases above the point concerned.APACHE: An acronym for Acute Physiology and Chronic Health Evaluation, a scoring system using routinely collected data and providing an accurate, objective description for a broad range of intensive care unit admissions, measuring severity of illness in critically ill patients.Aurora Kinases: A family of highly conserved serine-threonine kinases that are involved in the regulation of MITOSIS. They are involved in many aspects of cell division, including centrosome duplication, SPINDLE APPARATUS formation, chromosome alignment, attachment to the spindle, checkpoint activation, and CYTOKINESIS.Aurora Kinase B: An aurora kinase that is a component of the chromosomal passenger protein complex and is involved in the regulation of MITOSIS. It mediates proper CHROMOSOME SEGREGATION and contractile ring function during CYTOKINESIS.Aurora Kinase A: An aurora kinase that localizes to the CENTROSOME during MITOSIS and is involved in centrosome regulation and formation of the MITOTIC SPINDLE. Aurora A overexpression in many malignant tumor types suggests that it may be directly involved in NEOPLASTIC CELL TRANSFORMATION.Software: Sequential operating programs and data which instruct the functioning of a digital computer.
  • Now consider the less scientific side of the human response to quartz: In forms that include color-banded agate, green jasper and purple amethyst, the mineral has beguiled jewelers, mythmakers and healers since ancient civilizations. (nwf.org)
  • White epistilbite cluster 25 mm across on amethyst quartz crystal matrix. (webmineral.com)
  • What Is Swiss Quartz Movement? (reference.com)
  • Swiss quartz movement" refers to a clock or watch with a movement (the part of the watch that moves the hands) that is made in Switzerland and uses quartz. (reference.com)
  • A watch with Swiss quartz movement may have been assembled in a country other than Switzerland. (reference.com)
  • In the case of the label "Swiss quartz movement," the movement would meet the Swiss-made standards, but the watch may have been assembled in another country. (reference.com)
  • Make your own custom clock in a tick with this quartz movement. (sciplus.com)
  • Brand Name: Swatch Model number: GN256 Case: Navy blue Dial color: Navy blue, floral design on each hour, white hands Band: Navy blue with floral pattern Clasp: Navy blue buckle Movement: Swiss Quartz Water Resistant Case dimension: 34 mm (3.4cm) Watch measurement: 9 1/4 inches (23.5 cm) Band Width: 18 millimeters (1.8 cm) Case Thickness: 8.75 mm MSRP: $60.00. (ebay.ca)
  • Brand Name: Swatch Model number: SUON118 Dial color: Mallard print on white dial, white knife and fork hands Case: Round dark green Band: Plaid print silicone with green loop Clasp: Dark green buckle and orange thong Water Resistant Movement: Swiss Quartz Case dimension: 41 mm (4.1 cm) Case thickness: 7 mm Watch measurement: 10 1/4 inches 26 cm) Band Width: 22 mm (2.2 cm) MSRP: $75.00. (ebay.ca)
  • Brand Name: Swatch Model number: SUOB120 Dial color: Yellow Case: Glossy black round Band: Black silicone with yellow loop Clasp: Plastic yellow buckle Water Resistant Movement: Swiss Quartz Case dimension: 43 mm (4.3 cm) Case thickness: 9 mm Watch measurement: 10 1/4 inches (26 cm) Band Width: 22 mm (2.2 cm) MSRP: $70.00 Original Swatch gift box and manual instruction booklet. (ebay.ca)
  • The Seiko Chariot is a quartz movement watch that is known by many as being the Steve Jobs watch given that the Apple co-founder wore it in a portrait taken in 1984. (trendhunter.com)
  • The Seiko Chariot quartz movement timepiece is set to be made available with 1,982 units with a classic white face with a further 300 designed with a black face. (trendhunter.com)
  • Also check out our selection of Quartz Movement Accessories . (klockit.com)
  • In June 2016, Quartz Master opened its new 6500 square foot warehouse in Los Angeles to serve Los Angeles County. (prweb.com)
  • Cathy I. Cheng, Yi-Pin Chang, Yen-Ho Chu (2012) Biomolecular interactions and tools for their recognition: focus on the quartz crystal microbalance and its diverse surface chemistries and applications. (springer.com)
  • Zuxuan Lin, Yip CM, Scott Joseph I, Ward MD (1993) Operation of an ultrasensitive 30-MHz quartz crystal microbalance in liquids. (springer.com)
  • Janshoff A et al (2000) The quartz-crystal microbalance in life science. (springer.com)
  • Zong-Han Liu, Chih-Hsiung Shen (2012) New groove structures for miniature quartz crystal microbalance with low crystal impedance. (springer.com)
  • Lai CC., Chen S.J., Shen CH. (2013) Innovative Designs for Quartz Crystal Microbalance. (springer.com)
  • Quartz Master is a quartz surfaces manufacturer, headquartered in Bayonne, New Jersey. (prweb.com)
  • Quartz Master is a world's experts of quartz surfaces. (prweb.com)
  • Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). (webmineral.com)
  • As one of the hardest countertop surfaces around, quartz is considered by many to be the most durable choice available for kitchen or bathroom countertops. (hubpages.com)
  • Because it is a man-made product, quartz can be used for larger vertical surfaces like backsplashes or even shower enclosures, without one needing to be concerned about fissures and seaming. (hubpages.com)
  • Quartz is non-porous, which means that you don't need to be concerned about them absorbing germs or bacteria, thus making your work surfaces 99.9% bacteria free. (hubpages.com)
  • Caesarstone is a manufacturer of quality quartz surfaces for a range of applications such as kitchen countertops, bathroom vanities and counters, and custom solutions for home and commercial interiors. (caesarstoneus.com)
  • Available worldwide, Caesarstone is the professional choice for interior design ideas and beautiful, durable quartz surfaces. (caesarstoneus.com)
  • Set up a search alert to hear when Quartz Wristwatches items arrive. (liveauctioneers.com)
  • Lightinthebox will help you search for Ice Crackling Nuggets Quartz , guaranteeing you'll find the best one for you here. (lightinthebox.com)
  • Considering these three key elements, let's narrow your search down to two of the main worktop materials, quartz and granite, both of which provide a wonderful solution that meets these ideal qualifications. (silestone.com)
  • I did an extensive search on the web for quartz heating elements and feel pretty safe in saying that they do not exist. (fixya.com)
  • Also, the superspace symmetry of the incommensurate phases of quartz and aluminum phosphate is determined, and some consequences of the superspace symmetry are noted. (springer.com)
  • The additional faces s and x (figs. 4 and 5), which indicate the true degree of symmetry of quartz, are of comparatively rare occurrence except on crystals from certain localities. (wikisource.org)
  • However, unlike granite or marble, quartz countertops are made in a factory and have a ratio of 93% quartz to 7% resin, glass or metallic flecks, hence the ability to purchase them in so many variations of color and patterns. (hubpages.com)
  • Engineered stone, made of ground quartz and resin, has become a tremendously popular material for kitchen countertops due to its durability, low maintenance and customizable colors and patterns. (eurekalert.org)
  • Practical crystals take the form of precisely-ground discs or wafers of synthetic quartz, with chemically deposited metal electrodes on either side. (hackaday.com)
  • When deciding on what material to use for your kitchen worktop, you cannot go wrong with picking quartz or granite. (silestone.com)
  • The design of a quartz worktop not only brings character to your kitchen but offers performance advantages that exceed other traditional materials. (silestone.com)
  • This means that where one must reseal a granite countertop, with quartz resealing is unnecessary, thus making quartz countertops virtually maintenance free. (hubpages.com)
  • When looking for quartz countertop repair services close to you, Better Homes & Gardens Home Services helps you find local contractors, handyman, and home improvement services. (bhg.com)
  • Connect with quartz countertop repair services and get a free quote today. (bhg.com)
  • Tiger's eye quartz contains brown iron which produces its golden yellow colour. (gemstone.org)
  • A believer might, for example, hold jasper to increase energy, blue lace agate to achieve tranquility or pink quartz for self esteem. (nwf.org)
  • First, the common denominator is the mineral quartz, capable of recording geological traumas of the distant past, creating petrified forests and regulating the information in our computers. (nwf.org)
  • DR. TSUNESABURO ASADA, of the Shiomi Institute of Physical and Chemical Research, Osaka, Japan, has sent us an interesting communication describing measurements he has made on the intensity of the light emitted by a quartz mercury lamp. (nature.com)
  • Although colourless quartz is relatively common, large flawless specimens are not, which is why crystal balls these days are made of glass, not quartz. (gemstone.org)
  • So, if you have a small wrist, you can add the ZTE Quartz to the list of Android Wear 2.0 watches that aren't made for you. (pcworld.com)
  • The grade Q3400 is made of 100 % high-purity quartz microfibers only and pre-heated to guarantee excellent weight and dimensional stability. (sartorius.com)
  • Our quartz wall panels are made from the same high-quality material as our quartz worktops. (ikea.com)
  • Or to a "quartz silicate concretion," recently discovered in a French mine, with two-million-year-old ripples formed by running water. (nwf.org)
  • Quartz countertops also resist corrosion from cooking oils, liquids and most household cleaning products. (hubpages.com)
  • Microwave Quartz sand drying sterilizer machine use microwave heating characteristics,not only can shorten the production cycle,improve product quality,save energy(efficient),but also can improve the working environment,there is no dust pollution.Therefore, chemical products drying is playing advantages of microwave heating and drying technology. (noahandthewhale.com)
  • The demand for Quartz Master's Marble Collection prompted the company to open its first distribution center in California. (prweb.com)
  • Trendy hot selling time service international titanium quartz watches bezel japan movt decorate your own wrist watch-- Packaging & Shipping Welcome to leave a message! (alibaba.com)
  • The transformation between α- and β-quartz only involves a comparatively minor rotation of the tetrahedra with respect to one another, without change in the way they are linked. (wikipedia.org)
  • Temperature effects due to the thermal elastic and linear expansion coefficients of the quartz capsule are also discussed, as are electronic compensation methods to minimize these effects in the output. (sae.org)
  • Fused quartz has recently been used for the construction of lenses and laboratory vessels, or it may be drawn out into the finest elastic fibres and used for suspending mirrors, &c., in physical apparatus. (wikisource.org)