胶体的质点带有电荷,如Al2O3、Fe2O3带有正电荷,称为正胶体;SiO2、MnO2带有负电荷,成为负胶体。当胶体中加入一定量的电解质时,即发生()作用。A、酸化B、中和C、脂化D、置换

胶体的质点带有电荷,如Al2O3、Fe2O3带有正电荷,称为正胶体;SiO2、MnO2带有负电荷,成为负胶体。当胶体中加入一定量的电解质时,即发生()作用。

  • A、酸化
  • B、中和
  • C、脂化
  • D、置换

相关考题:

在通用声明中定义a,在窗体中添加一个命令按钮Command1,编写如下程序代码:DimaAsIntegerSubtest()a=a+1:b=b+1:c=c+1PrintSub:;a;,;b;,;cEndSubPrivateSubCommand1_Click()a=2:b=3:c=4CalltestCalltestEndSub程序运行后,单击命令按钮,窗体中将显示( )A.Sub:3,4,5Sub:4,5,6B.Sub:2,3,4Sub:2,3,4C.Sub:3,1,1Sub:4,1,1D.Sub:1,1,1Sub:1,1,1

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II型呼吸衰竭合并代谢性酸中毒()。 A、Pa0/sub2/supsubno60mHl.PaCO/sub2/supsubno50mmlgB、Pa0/sub2/supsubno60mHgPaCO/sub2/supsubno45mmgC、Pa0/sub2/supsubno60mmHgPaCO/sub2/supsubno50mmHD、Pa0/sub2/supsubno60mHg、PaCO/sub2/supsubno45mmHgE、Pa0/sub2/supsubno60mHg、PaC0/sub2supsubno45mmHg

强酸中毒血气分析正确为( ) A.pH上升B.PaCO/sub2/supsubno上升C.PaO/sub2/supsubno上升D.HCO/sub3/supsubno/sup-/supsubno降低E.HCO/sub3/supsubno/sup-/supsubno升高

强酸中毒血气分析正确为()。 A.pH上升B.PaCO/sub2/supsubno上升C.Pa0/sub2/supsubno上升D.HCO/sub3/supsubno/sup-/supsubno降低E.HCO/sub3/supsubno/sup-/supsubno升高

下列程序的输出结果是______。 #include sub1(char a,char b) {char c; c=a;a=b;b=c;} sub2(char* a,char b) {char c; c=*a;*a=b;b=c;} sub3(char* a,char*b) {char c; c=*a;*a=*b;*b=c;} { char a,b; a='A' ;b='B'; sub3 (a, b) ;putchar (a) ;putchar (b); a='A';b='B';sub2(a,b);putchar(a);prtchar(b); a='A';b='B';sub1(a,b);putchar(a) ;putchar(b); }A.BABBABB.ABBBBAC.BABABAD.BAABBA

在窗体中添加一个命令按钮,编写如下程序: Private Sub Subl(p,m,n) p=p+1:m=m+1:n=n+1 Print"subl:";p;m;n End Sub Private Sub Command1_Click() al=1:b=2:c1=3 Call Subl(a,b1+3,c1) Print"Main:";a1;b1;c1 End Sub 程序运行后,输出结果为A.Sub:2 6 4 Main:2 6 4B.Sub:2 6 4 Main:2 6 4C.Sub:2 6 4 Main:1 2 3D.Sub:2 6 4 Main:2 2 3

A、PH7.38,PaOSUB2/SUB50mmHg,PaCOSUB2/SUB40mmHgB、PH7.30,PaOSUB2/SUB50mmHg,PaCOSUB2/SUB80mmHgC、PH7.40,PaOSUB2/SUB60mmHg,PaCOSUB2/SUB65mmHgD、PH7.35,PaOSUB2/SUB80mmHg,PaCOSUB2/SUB20mmHgE、PH7.25,PaOSUB2/SUB70mmHg,PaCOSUB2/SUB20mmHg血气分析结果符合代偿性代谢性酸中毒( )

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PaOSUB2/SUB↓,PaCOSUB2/SUB↑提示( )

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设已经在菜单编辑器中设计了窗体的快捷菜单,某顶级菜单为al,且取消其"可见"属性。运行时,可以使快捷菜单的菜单项响应鼠标左键单击和右健单击的事件过程是A.Private Sub Form_Mouse Down(Button As Integer, Shift As Integer,_X As Single,Y As Single If Button=2 Then PopupMenu al,2 End SubB.Private Sub Form_Mouse Down(Button As Integer, Shift As Integer,_X As Single, Y As Single PopupMenu al,0 End SubC.Private Sub Form_Mouse Down(Button As Integer, Shift As Integer,_X As Single,Y As Single PopupMenu al End SubD.Private Sub Form_Mouse Down(Button As Integer, Shift As Integer,_X As Single,Y As Single If(Button=vbLetfButton) Or (Button=vbRightButton) Then PopupMenu al End Sub

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人体内O2、CO2进出细胞膜是通过A.单纯扩散B.易化扩散C. 人体内O<sub>2</sub>、CO<sub>2</sub>进出细胞膜是通过A.单纯扩散B.易化扩散C.主动转运D.人胞作用E.出胞作用

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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1. class Super {  2. private int a;  3. protected Super(int a) { this.a = a; }  4. }  .....  11. class Sub extends Super {  12. public Sub(int a) { super(a); }  13. public Sub() { this.a= 5; }  14. }  Which two, independently, will allow Sub to compile?()AChange line 2 to: public int a;BChange line 2 to: protected int a;CChange line 13 to: public Sub() { this(5); }DChange line 13 to: public Sub() { super(5); }EChange line 13 to: public Sub() { super(a); }

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

多选题在过程控制中,若TL=-3,Tu=3,u=1,σ=1,则(  )。ACsubP/sub=1 BCsubP/sub=2/3 CCsubPk/sub=1 DCsubPk/sub=2/3

单选题( )被称为广义货币。ApMsub0/sub/pBpMsub1/sub/pCpMsub2/sub/pDpMsub3/sub/p

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