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()。


相关考题:

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

程序执行结果s的值是【 】.Private Sub Command l-Click ()I =0DoS= I +SI = I + lLoop Until I >=4End Sub

下面程序的输出结果是【 】。Private Sub Form_Click()i=0Do Until 0i=i+1if i>10 then Exit DoLoopPrint iEnd Sub

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

下面程序的输出结果是【 】。Private Sub Form_Click()i=0Do Until 0i=i+1if i10 then Exit DoLoopPrint iEnd Sub

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)

光的吸收定律也称朗伯-比尔定律,郎伯定律是说明光的吸收与()成正比;比尔定律是说明光的吸收与()成正比,其表达式为A=εbc。

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.

郎伯和比尔定律的内容是什么?郎伯-比尔定律如何表示式?

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.

单选题光学密度值的数学表达式为(  )。AD=lg(I0/I)BD=lg(I/I0)CD=log2(I0/I)DD=log2(I/I0)ED=log5(I0/I)

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 (straing args) (  sub sub = new sub (“Hello”);   system.out. PrintIn(sub.i);  )   )   What is the result?()A Compilation will fail.B Compilation will succeed and the program will print “0”C Compilation will succeed and the program will print “1”D Compilation will succeed and the program will print “2”

填空题伯-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()。

单选题正态分布时,算术平均数、中位数、众数的关系为()Amsub0/sub<msube/sub<(xBmsub0/sub=msube/sub=(xCmsub0/sub>msube/sub>(xDmsube/sub<msub0/sub<(x

多选题下列表示中____的表示形式是正确的。ApUsub95/sub= 1%,vsubeff/sub =9 /pBpUsubr/sub= 1%,k=2 /pCpusubC/sub=0. 5% /pDpusubC/sub=±0 5%.k=1 /p

单选题已知某线声源长度为l0,在线声源垂直平分线上距线声源r0和r的分别为Lp(r0)和Lp(r),根据《环境影响评价技术导则声环境》,按公式Lp(r)=Lp(r0)-15lg(r/r0)近似计算该线声源的噪声影响时,应满足的条件是()。AprIsub0/sub且rsub0/subIsub0/sub /pBprIsub0/sub/3且rsub0/subIsub0/sub/3 /pCpIsub0/sub/3rspanI/spansub0/sub且Isub0/sub/3rsub0/subr0Isub0/sub /r0/pDp无条件限制 /p