Resins sentence example

resins
  • There are also resins, a volatile oil and several other constituents.
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  • It is an excellent solvent for gums, resins, fats, &c.; sulphur, phosphorus and iodine also dissolve in it.
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  • The hard transparent resins, such as the copals, dammars, mastic and sandarach, are principally used for varnishes and cement, while the softer odoriferous oleo-resins (frankincense, turpentine, copaiba) and gum-resins containing essential oils (ammoniacum, asafoetida, gamboge, myrrh, scammony) are more largely used for therapeutic purposes and incense.
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  • Amber has often been imitated by other resins like copal and kauri, as well as by celluloid and even glass.
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  • Many other fossil resins more or less allied to amber have been described.
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  • In recent years the growth of the leaf under cloth tents has greatly increased, as it has been abundantly proved that the product thus secured is much more valuable - lighter in colour and weight, finer in texture, with an increased proportion of wrapper leaves, and more uniform qualities, and with lesser amounts of cellulose, nicotine, gums and resins.
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  • The exports cover a wide range of agricultural, pastoral and natural productions, including coffee, rubber, sugar, cotton, cocoa, Brazil nuts, mate (Paraguay tea), hides, skins, fruits, gold, diamonds, manganese ore, cabinet woods and medicinal leaves, roots and resins.
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  • It is not probable that the sweet-smelling gums and resins of the countries of the Indian Ocean began to be introduced into Greece before the 8th or 7th century B.C., and doubtless XiOavos or X q /3avw-rOs first became an article of extensive commerce only after the Mediterranean trade with the East had been opened up by the Egyptian king Psammetichus (c. 664-610 B.C.).
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  • It dissolves most organic compounds, resins, hydrocarbons, fatty acids and many metallic salts, sometimes forming, in the latter case, crystalline compounds in which the ethyl alcohol plays a role similar to that of water of crystallization.
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  • Certain resins are obtained in a fossilized condition, amber being the most notable instance of this class; African copal and the kauri gum of New Zealand are also procured in a semi-fossil condition.
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  • The resins which are obtained as natural exudations are in general mixtures of different, peculiar acids, named the resin acids, which dissolve in alkalis to form resin soaps, from which the resin acids are regenerated by treatment with acids.
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  • Forest Products.-The forest and other natural products include rubber, cinchona bark, ivory-nuts, mocora and toquilla fibre for the manufacture of hats, hammocks, &c., cabaya fibre for shoes and cordage, vegetable wool (Bombax ceiba), sarsaparilla, vanilla, cochineal, cabinet woods, fruit, resins, &c. The original source of the Peruvian bark of commerce, the Cinchona calisaya, is completely exhausted, and the " red bark " derived from C. succirubra, is now the principal source of supply from Ecuador.
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  • Ethylene succinic acid occurs in amber, in various resins and lignites, in fossilized wood, in many members of the natural orders of Papaveraceae and Compositae, in unripe grapes, urine and blood.
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  • It is obtained on fusing many resins (galbanum, asafoetida, &c.) with caustic potash, or by the distillation of Brazil-wood extract.
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  • It results in the alkaline fusion of many resins, and may be prepared by fusing ortho-phenolsulphonic acid, o-chlorphenol, o-bromphenol, and o-phenoldisulphonic acid with potash, or, better, by heating its methyl ether, guaiacol, C 6 H 4 (OH) (OCH 3), a constituent of beechwood tar, with hydriodic acid.
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  • In their natural characters, turpentines are soft solids or semi-fluid bodies, consisting of resins dissolved in turpentine oil, the chief constituent of which is pinene.
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  • The forest products of the state include rubber, resins, cabinet and dyewoods, deerskins, orchilla and ixtle fibre.
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  • The oils are usually contained in special cells, glands, cavities, or canals within the plants either as such or intermixed with resinous substances; in the latter case the mixtures form oleo-resins, balsams or resins according as the product is viscid, or solid and hard.
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  • Some of these, such as resins, gums, essential oils and fats, are readily obtained as natural exudations or by very simple manipulations, while others, such as the alkaloids, glucosides and vegetable acids, often require to be extracted by very complex processes.
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  • The resins when taken internally have much the same action as essential oils, which are closely allied chemically, while the benzoic and cinnamic acids in the balsams modify their actions very slightly.
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  • Spruce is a member of the pine family and contains some natural antiseptics in the resins.
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  • Because they shrink, cast resins cannot be easily reinforced with internal armatures like steel rod.
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  • The resins remain clear and do not crystallize under the glass.
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  • The Division is the UK's foremost supplier of saturated polyester resins for the manufacture of flexible urethane foam and polyurethane elastomers.
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  • Polyester resins can be used but for maximum performance epoxy resin gives the best results.
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  • Alcohol extracts oil, gums and resins and other constituents, while water extracts soluble fraction.
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  • For crack width between 1.0 - 3.0 mm cement grout can be injected instead of epoxy resins.
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  • The boswellic acids and their O-acetyl derivatives are the major constituens of the fresh aromatic gum resins from Boswellia trees.
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  • The liquid and paste hardeners are chemical compounds used to harden the resins.
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  • Also loose incense, hand blended by us using our own gums, resins, herbs and oils.
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  • Beeck's Silicate Masonry Paint is an exterior purely inorganic paint, free of artificial resins, solvents and biocides.
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  • Catalyst (hardener) used for polyester resins is an organic peroxide (methyl ethyl ketone peroxide) and is particularly dangerous.
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  • Fiber reinforced plastic with fire retardant resins can also be used, provided it is at least 5mm thick.
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  • Also, little polymerization of resins has occurred, so aromas and tastes are often less resinous and tar like than at later stages.
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  • It is used mainly in thermoplastic polyurethanes, resins for surface coatings, adhesives and synthetic leather and fabrics.
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  • The other possible circumstances where high exposures may occur is in the use of phenolic resins in foundries.
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  • Both the surface and the core are made of thermosetting resins, which make them impervious to moisture.
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  • Investigations in phenol formaldehyde resins for example elucidate mechanism and provide new flame retardant materials.
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  • Fourier transform infrared spectroscopy (FTIR) can be used to assess the state of cure of thermoset resins.
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  • Some polyester resins cure completely only in the absence of air, left exposed, they remain tacky indefinitely.
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  • Visualfx resins extend the esthetic frontiers of engineering thermoplastics beyond what was previously difficult to achieve.
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  • True Baltic amber is distinguished by its yield of succinic acid, for many of the other fossil resins which are often termed amber contain either none of it, or only a very small proportion; hence the name "succinite" proposed by Professor.
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  • Numerous other substances are also found in the cytoplasm, such as tannin, fats and oil, resins, mucilage, caoutchouc, guttapercha, sulphur and calcium oxalate crystals.
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  • But the consumption of all manner of odoriferous resins, gum resins, roots, woods, dried leaves, flowers, fruits and seeds in India, in social as well as religious observances, is enormous.
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  • It was one of the gifts offered by the Magi, and a royal oblation of gold, frankincense and myrrh is still annually presented by the sovereign on the feast of Epiphany in the Chapel Royal in London, this custom having been in existence certainly as early as the reign of Edward L 1 True myrrh is the product of Balsamodendron (Commiphora) Myrrha, a small tree of the natural order Amyridaceae that grows in eastern Africa and Arabia, but the name is also applied to gum resins obtained from other species of Balsamodendron.
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  • It is almost insoluble in water, is miscible with absolute alcohol and ether, and dissolves sulphur, phosphorus, resins and caoutchouc. On exposure to the air it dries to a solid resin, and absorbing oxygen gives off ozone - a reaction utilized in the disinfectant called "Sanitas."
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  • The binders used in modern paints tend to be synthetic resins, such as acrylics and epoxies.
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  • In order to maintain porosity, pore formers such as starch, carbon, or thermosetting resins are added.
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  • Differences in physical properties between varnish resins would result in changes in image quality.
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  • It is broadly used in the making of plastics, resins and rubber.
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  • Essential oils are also distilled from resins, such as frankincense.
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  • Other aromatherapy products available from the company include aroma sprays, diffusers and burners, and oil blends and resins for use in perfume making.
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  • Notes are developed from a variety of essential oils, natural and synthetic compounds, resins, and solvents.
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  • The most intense scents, they are thicker materials often derived from trees, resins, and pungent plants.
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  • Instead of the old styled glass umbrella table, newer materials like plastic laminates, all-weather wickers, resins, tiles and slates are popular for modern lawn furniture.
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  • Subjects such as whether the stains are oil-based or water-based, contain natural or synthetic resins and environmental issues were not brought up when consumers asked for recommendations.
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  • Solid surface counters, such as Corian, are made up of poly acrylic vinyls and resins.
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  • Aluminum can be cast into any shape and texture, and colored with protective resins to match any finish.
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  • Make sure to choose a roof that not only works with your home's design, but that is made of a durable grade of insulated aluminum, coated in protective resins.
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  • The containers come in leather, glass, ceramic, porcelain, sterling silver, resins, and pewter.
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  • The glasses can actually pick up disagreeable scents that emanate from the wood and its resins.
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  • There are certainly at least two resins in the powder (which is known officially as Podophylli resina), one of them being soluble and the other insoluble in ether.
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  • With regard to the imports into Russia-they consist mainly of raw materials and machinery for the manufactures, and of provisions, the principal items being raw cotton, 17% of the aggregate; machinery and metal goods, 13%; tea, 5%; mineral ores, 5%; gums and resins, 4%; wool and woollen yarns, 32%; textiles, 3%; fish, 3%; with leather and hides, chemicals, silks, wine and spirits, colours, fruits, coffee, tobacco and rice.
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  • Many species produce gums and resins, their stems being encrusted with the exudations, and pungency and aromatic odour is an almost universal quality of the plants of desert regions.
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  • Resin soaps are compounds of soda or potash with the complex acids (chiefly abietic) of which coniferous resins consist.
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  • It is true that by the distillation of many herbs, resins and similar substances, several organic compounds had been prepared, and in a few cases employed as medicines; but the prevailing classification of substances by physical and; superficial properties led to the correlation of organic and inorganic compounds, without any attention being paid to their chemical composition.
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  • Taking as a basis the nature of the source of compounds, he framed three classes: " mineral," comprising the metals, minerals, earths and stones; " vegetable," comprising plants, resins, gums, juices, &c.; and " animal," comprising animals, their different parts and excreta.
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  • The prevalent bush plants are khansa (umbrella mimosa), acacias, aloes, and, especially, Boswellia and Commiphora, which yield highly fragrant resins and balsams, such as myrrh, frankincense (olibanum) and " balm of Gilead."
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  • Aldehydes are converted into resins by the action of caustic alkalies.
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  • Resins when soft are known as oleo-resins, and when containing benzoic or cinnamic acid they are called balsams. Other resinous products are in their natural condition mixed with gum or mucilaginous substances and known as gum-resins.
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  • Many compound resins, however, from their admixture with essential oils, are possessed of distinct and characteristic odours.
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  • Forest products - gums and resins of various sorts, such as gutta-percha - are valuable articles of export.
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  • Naphtha is preferable for oil seeds, as it extracts neither resins nor gummy matters from the oil seeds, and takes up less colouring matter than carbon bisulphide.
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  • Many species are rich in gums and resins; the calambac, mastic, copal, cedar, &c. Many others are oleaginous, among them, peanuts, sun-flowers, the bene seed (sesame), corozo, almond and palmachristi.
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