伯-比尔定律的积分表达式是:lg (I0/I) =εbc,在实际测定工作中,I0是(),I 是()。
伯-比尔定律的积分表达式是:lg (I0/I) =εbc,在实际测定工作中,I0是(),I 是()。
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有如下程序:Private Sub Form_Click()Dim i As Integer,Sum As IntegerSum=0For i=2 To 10If i Mod 2<>0 And i Mod 3=0 ThenSum=Sum+iEndIfNextPrint SumEnd Sub程序运行后,单击窗体,输出结果为A.12B.30C.24D.18
根据Lambert-Beer定律,吸收度与浓度和光路长度之间的正确关系式是( )。A.A=-lgT=-lg(I0/I)=ECLB.A=-lgT=-lg(I0/I)=CLC.A=-lgT=-lg(I0/I)=CLD.A=-lgT=-lg(I0/I)=ECLE.A=-lgT=-lg(I0/I)=ECL
以下程序的运行结果是( ) #define MAX 10 int a[MAX],i; main() { printf("\n");sub1();sub3(A) ,sub2(),sub3(A) ; } sub2() { int a[MAX],i,max; max=5; for(i=0;i<max;i++)a[i]=i; } sub1() {for(i=0;i<MAX;i++)a[i]=i+i; } sub3(int a[]) { int i; for(i=0;i<MAX,i++)printf("%d",a[i]); printf("\n"); }A.0 2 4 6 8 10 12 14 16 18 0 1 2 3 4B.0 1 2 3 4 0 2 4 6 8 10 12 14 16 18C.0 1 2 3 4 5 6 7 8 9 0 1 2 3 4D.0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 10 12 14 16 18
有如下程序: Private Sub Form_Click( ) Dim i As Integer, Sum As Integer Sum = 0 For i = 2 To 10 If i Mod 2=0 And i Mod 3<>0 Then Sum = Sum + i End If Next Print Sum End Sub 程序运行后,单击窗体,输出结果为A.12B.30C.24D.18
单击一次命令按钮之后,窗体中的输出结果为______。 Private Sub Command1_ Click() Dim a As Integer, b As Integer For i = 1 To 6 a=i*i+i Next i Call writein(a,B)Print a, b End Sub Sub writein(a, ByValB)b = 1 For i = 1 To 6 a=b* 4 b = b + 1 Next i End SubA.24 6B.24 0C.12 6D.12 0
在窗体上画一个名称为CoilTlilandl的命令按钮,然后编写如下事件过程: Private Sub command1 Click() Dim m As Integer, i As Integer, x(3)As Integer For i=0 To 3:x(i)=i:Next i For i = 1 To 2: Call sub1(x,i):Next i For i = 0 To 3: Print x(i);: Next i End Sub Private Sub sub1(a()As Integer,k As Integer) Dim i As Integer Do a(k)=a(k)+a(k+1) j = j + 1 Loop While j < 2 End Sub 程序运行后,单击命令按钮,则窗体上显示的内容是A.0 3 7 5B.0 1 2 3C.3 2 4 5D.0 5 8 3
有如下程序: Private Sub Form_Click() Dim i As Integer, Sum As Integer sum=0 For i=2 To 10 If i Mod 2<>0 And i Mod 3=0 Then sum=sum+i End If Next i Print sum End Sub 程序运行后,单击窗体,输出结果为______。A.12B.30C.24D.18
以下能够正确计算1+2+3+…+10的程序是A.Private Sub Command1_Click() Sum=0 ForI=1 To 10 Sum=Sum+I Next I Print Sum End SubB.Private Sub Command1_Click() Sum=0,I=1 Do While I<=10 Sum=Sum+I I=I+1 Print Sum End SubC.Private Sub Command1_Click() Sum=0: I=1 Do Sum=Sum+I I=I+1 Loop While I<10 Print Sum End SubD.Private Sub Command1_Click() Sum=0: I=1 Do Sum=Sum+I I=I+1 Loop Until I<10 Print Sum End Sub
单击命令按钮后,下列程序代码的执行结果是______。Public Sub fun (a As Integer, b As Integer, c As Integer)Doa=b+ cn=n+1Loop While n > 3End SubPrivate Sub command1_ click()Dim m As Integer, n As Integer, i As IntegerFor i = 0 To 2: m = n + 1: Next iFor i = 1 To 2: Call fun (m, n, i): Next iFor i = 0 To 3Print m;Next iEnd Sub
以下能够正确计算1+2+3+…+10的程序是A.Private sub Command1_Click( ) sum=0 For 1=1 To 10 Sum=sum+1, Next I Print Sum End SubB.Private sub Command1_Click( ) Sum=0,I=1 Do While l<=10 Sum=Sum+1 I=I+1 Print Sum End SubC.Private Sub command1_click( ) Sum=0:I=1 Do Sum=Sum+1 I=I+1 Loop While I<10 Print Sum End SubD.Private Sub command1_Click( ) Sum=0:I=1 Do Sum=Sum+1 l=I+1 Loop Until I<10 Print Sum End Sub
以下朗伯比尔定律不正确的是( )。(k为比例常数;I。为入射光强度;B为液层厚度;I为透射光强度;C为溶液浓度;T为透射率;A为溶液吸光度)A.A=-lg(I/I。)B.A=lg(I/T)C.A=kBCD.A=lg(k*C)
下列程序运行后的输出结果是______。Private Sub f(k,s)s=1For j=1 To ks=s*jNextEnd SubPrivate Sub Command1_Click()Sum=0For i=1 To 3Call f(i,s)Sum=Sum+sNextPrint SumEnd Sub
9.程序执行结果s的值是 [9] 。Private Sub Commandl_Click()i = 0Doi = i + ls = i + sLoop Until i = 4Print sEnd Sub
以下朗伯比尔定律不正确的是()。(k为比例常数;I。为入射光强度;b为液层厚度;I为透射光强度;c为溶液浓度;T为透射率;A为溶液吸光度)A、A=-lg(I/I。)B、A=lg(I/T)C、A=kbcD、A=lg(k*c)
class Super { public int i = 0; public Super(String text) { i = 1; } } public class Sub extends Super { public Sub(String text) { i = 2; } public static void main(String args[]) { Sub sub = new Sub(“Hello”); System.out.println(sub.i); } } What is the result?() A、 0B、 1C、 2D、 Compilation fails.
单选题class Super { public int i = 0; public Super(String text) { i = 1; } } public class Sub extends Super { public Sub(String text) { i = 2; } public static void main(String args[]) { Sub sub = new Sub(“Hello”); System.out.println(sub.i); } } What is the result?()A 0B 1C 2D Compilation fails.
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