halogen造句
(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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