i! W6 P. Q, ]# ^0 G( V3 |第八题食品科学的 7 a* E, u& N6 Q. ~利用美拉德反应不会() $ g" q) f, H+ z8 F( I9 {! EA、产生不同氨基酸 B、产生不同的风味 9 D. ?7 s/ v; L. [: yC、产生金黄色光泽 D、产生酸味成分2 Z3 F' r2 o. L& p(欢迎访问avcar:https://avcar.vip)
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第九题化学英语题8 D4 ? d( a. m2 d5 W(欢迎访问avcar:https://avcar.vip)
What is always correct about the molecular ion, M+, in a mass spectrum of a compound?6 Y( m# G1 C) Q) }(欢迎访问avcar:https://avcar.vip)
A. The M+ ion peak has the smallest m/z ratio in the mass spectrum.* h! o+ b3 W. x8 x(欢迎访问avcar:https://avcar.vip)
B. The m/z ratio of the M+ ion peak gives the relative molecular mass of the molecule. 4 O4 P B+ M; z9 d( N+ \C. The M+ ion is the most stable fragment formed during electron bombardment. 0 J( C5 `0 b, K' ?8 GD. The M+ ion peak has the greatest intensity in the mass spectrum.4 q( C$ r6 ^0 w1 G, h9 R(欢迎访问avcar:https://avcar.vip)
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第十题采矿学; y' ]( q) F' I$ ~(欢迎访问avcar:https://avcar.vip)
根据所含金属种类不同,金属矿石可分为:______、 ______、 ______、______、和______。