halogen造句
(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.
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