Muntermann, JanJanssen, Lars
SsaD1, a suppressor of secA51(Ts) that renders growth of Escherichia coli cold sensitive, is an... 1994. ssaD1, a sup- pressor of secA51(Ts) that renders growth of Escherichia coli cold sensitive, is an early amber mutation in the transcription ... Rajapandi,Thavamani,Oliver,......
December 2005A Phillips Curve with an Ss FoundationWe develop an analytically tractable Phillips curve based on state-dependent pricing. We differ from the existing literature by considering a local approximatidoi:10.2139/ssrn.887724Mark Gertler
an=a_2q^(n-2)=6*3.已知 S_n 是等比数列{an} S_3 SS成等差数列,求证:a2.a8,a成等差数列。 (12分)
又∵S1=A1=a,B1=a-3 ∴Bn为以a-3为首项,2为公比的等比数列 ∴Bn=(a-3)*2^(n-1)2:a(n+1)=Sn+3^n=bn+2*3^na(n+1)-an=bn+2*3^n-[b(n-1)+2*3^(n-1)]=bn-b(n-1)+2[3^n-3^(n-1)]=(a-3)*[2^(n-1)-2^(n-2)]+2[3^n-3^(n-1)]=(a-3)*2^(n-2)...
在下列名词前填上a或an。 1. ___ egg 3. ___ school 5. ___ book 7. ___ apple 9. ___ Ss 11. ___ umbrella2. ___ cat 4. ___ orange 6. ___ hour 8. ___ car 10. ___ Uu 12. ___ pupil 试题答案 1. an 2. a 3. a 4. an 5. ...
2.已知等比数列{an}的前 n项和为 Sn,若 a_1+Ss-2S4a_3=5,S_4=20 ,则()S6-S4-S2 A.9 B.10 C.12 D. 17
在下列名词前填上a或an。 1. ___ egg3. ___ school5. ___ book7. ___ apple9. ___ Ss11. ___ umbrella 2. ___ cat4. ___ orange6. ___ hour8. ___ car10. ___ Uu12. ___ pupil 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 1. an 2. a 3. a ...
8.已知数列 \(a_n\) 满足 a_1∈l_1⋅l_n+1+a_n=2n+3 .且其前n项和为Sn.若 Ss=an.则正整数 m=( B). A.99 B.103 C
apasswords must be at least 8 characters including a number.an uppercase letters and a lowercase letter.Don,t use spaces.the szme character 3 times in a row. your Apple ID. or appssword you,ve used in the last year. 密码必须是至少8个字符包括number.an大写字目和一个小写字母。唐, t用...