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单词 Halogen
例句
(1) Halogen lamps give excellent service, but the bulbs are expensive to replace.
(2) Halogen hobs heat up and cool down much more quickly than normal electric hobs.
(3) Halogen lamps give excellent service, hut the bulbs are fairly expensive to replace.
(4) Halogen bulbs give instant heat, while a quartz grill, the latest innovation, is quick and efficient.
(5) The halogen lamp and all of the light is up here and then it bounces up.
(6) Roma table Grillo low-voltage tungsten halogen lamp with dimmer switch.
(7) Halogen lamps' small size makes them ideal for integrating into sculptural uplights or slim wall fittings.
(8) Some are fitted with halogen bulbs for overall punch(), or spots to light specific objects or to highlight.
(9) In molecules with more than one halogen atom more complicated patterns appear.
(10) Are flame retardants safe without halogen?
(11) Several sulfur compounds with halogen elements are industrially important.
(12) Halogen light-wave to offer powerful permeation of heat.
(13) Halogen atoms contain seven electrons in their valence shell.
(14) We are interested in purchasing automobile halogen Halogen Lamps.
(15) The technologies using the halogen-free flame retardants in plastics were reviewed. The future trend for developing halogen free flame ret arda nts was pointed out.
(16) Features Halogen - free, suitable for highly efficient laser via formation for HDI.
(17) AOX ( adsorbable organic halogen ) was an important signal of artificial pollution.
(18) Summarizes the techniques of the light as halogen lamp and xenon lamp, etc.
(19) This article enumerate some Halogen - based oxidants and their some important applying examples.
(20) Does supplier have the ability to build the Halogen - free product?
(21) A chemical compound of a halogen with a more electropositive element or group.
(22) Features Free of constituents such as halogen, antimony and red phosphorus.
(23) In exactly the same way, an atom such as a halogen atom in a covalent molecule can show spin-orbit coupling.
(24) It was not possible to ascertain directly how many halogen moieties had ended up on the football.
(25) Another type of light bulb you may come across is the tungsten halogen bulb.
(26) It is modern: blonde wood floors, stark white walls, and overhead, tiny halogen lights.
(27) The unit will not corrode and does not have the sharp beam pattern cut off of modern halogen lights.
(28) Shouting, however, is nothing compared to the stream of flashing halogen that's coming the other way.
(29) Results showed that this kind of compounds has excellent photobleaching property. The bleaching effect of phthalocyanines containing halogen substituent is better than the one that is not substituted.
(30) The fluorescence quenching of these emissive compounds in solution by halogen anions was studied carefully.
(31) Halogen atom could activate the triple bond and as the directing group, the triple bond occurs the electrophilic addition reaction.
(32) Flame—retardant PET fiber is added speciaI phosphonium flame—retardant without halogen during polymerization process.
(33) This fibreglass sculpture, designed by Giorgio Gurioli, is a halogen light on top and an unusual, well-ventilated resting place below.
(34) Procuct: downlight spot light, halogen light source light, kitchen light etc. series.
(35) Open the rear cover of the headlamp and pull the installed halogen lamp out.
(36) Light a check leak lamp, hold the air conduit on the halogen lamp, be pipe orifice close to system ooze, the flame color becomes royal blue, the scilicet marks to here have a great deal of leakage.
(37) Appearance and Properties A lustrous , greyish black, brittle, sublimate, poisonous, corrosive halogen element.
(38) It provides orientable halogen task lighting, and its elegant counterweight and arm system keep the head constantly parallel to the table.
(39) The halogen exchange method to prepare p fluoronitrobenzene under microwave irradiation and conventional heat was studied. Drying KF by azeotropy and microwave irradiation was proposed.
(40) Which indubitably indicate that the bismuthous sulfide can only dissolve in halogen acid except hydrofluoric acid, the mixed solution of dilute sulfuric acid and alkali halide.
(41) The carbon, ferric and ferrous oxide, halogen, inorganic salt of the potassium etc. , and satisfied fatty hydrocarbon presented in the black deposit.
(42) Furniture light, handle light, closet light, table light, lamp, wall lamp, recess light, chandelier, post-lamp, energy-saving lamp, halogen light, ballast, electronic ballast, etc.
(43) CB without halogen residues, can effectively improve the welding quality and reliability.
(44) The latest developments of - halogen and - phosphorous flame - retarded epoxy resin for printed circuit boards were introduced.
(45) A chemical compound of a halogen with a more element or group.
(46) Light sources adopt halogen bulbs as four rotators and four flashing bulbs which distributing symmetrically.
(47) Halogen bond is known as a kind of non - covalent intermolecular interaction.
(48) In experiments, we used the 2793K halogen tungsten lamp to irradiate the detector of CCD143A and measured the values of photometry and radiometry.
(49) The formation of polyhalides depends on the combination of a central halide ion with a halogen.
(50) Both collaborations have also studied the effects of low - energy electron attachment to halo- uracil molecules, in which a halogen atom such as bromine replaces a hydrogen atom.
(51) Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.
(52) Because of its inherent drawbacks, conventional halogen light has a limited development.
(53) The halogen acid production of halogen electrical wire and cable in heat-degradation was studied using the thermal analysis method and the halogen acid transgression installment.
(54) In place of conventional halogen bulbs, they use xenon gas-filled lamps that create an illuminated arc.
(55) Automobile headlight with halogen lamp has limitations on work - time and efficiency.
(56) Halogen atoms contain seven electrons in their valence shell, and , consequently, are monovalent.
(57) Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.
(58) Green technology Manufactured with lead free and halogen free component packages.
(59) This article studies the reactions of nitrous acid with eldest aromatic amine and diazonium salts substituted by halogen, and investigates the condition and mechanism of those reactions.
(60) Its core business is to develop, produce and market Halogen Free Flame Retardent thermoplastic and irritation cross-linkable compounds.
(61) With strong bases under ultrasonication and phase - transfer catalysis, the reaction of 7, 7 -dihalocarane and haloform can generate halogen exchanges.
(62) A new style fast heating infrared equipment, with tungsten halogen lamp and parabolic reflector equipped, was developed for heating metal samples.
(63) A novel method for synthesizing a series of tribromomethylarenes by halogen exchanging of trichloromethylarenes with boron tribromide was reported.
(64) The cable achieves the performance of low smoke halogen free.
(65) A siphon pot has two stacked glass globes . First, water is placed in the bottom globe and heated with a halogen lamp.
(66) This type of reaction has signicant advantages, the alkyne proceeds the coupling reaction with the halogen atom as the leaving group.
(67) If specified by the design document, halogen, helium, alkaline air or other method is adopted for gas leakage test, special technical specification shall be duly followed.
(68) Conclusion : The condensation reaction were affected by the position of halogen in the benzene nucleus.
(69) LED, Incandeslence Lamps, Halogen Lamps, Panel Mount Indicators , Neon Lamp.
(70) Suitable for circuitry of elevator traveling hoist way machine car prefabricate cable of rated voltage 300/500V A C as well as below It is halogen free flame retardant and low smoke.
(71) Procuct: downlight spot light, halogen light source light , kichen light etc. series.
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