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1.when n(IBE-A)∶n(LAS)=4∶6,CMC of the complex solutions is 3.16×10~(-5) mol·L~(-1),and γ_(CMC) is 29.6 mN·m~(-1).
L-1,γCMC=29.6 mN. m-1,其中CMC分别是IBE-A水溶液CMC(1.35×10-3mol.L-1)和LAS水溶液CMC(1.14×10-3mol.L-1)的1/43和1/36。收藏指正
2.CMC of the two surfactants were 6.61×10~(-3) and 8.31×10~(-3) mol·L~(-1) and γ_(CMC) of them were 37.6 and 39.2 mN·m~(-1) respectively. The results show that the dissymmetric bis-quaternary ammonium salt cationic surfactants have excellent surface activity.
经测定,产物的临界胶束浓度CMC分别为6 61×10-3、8 31×10-3mol·L-1,γCMC分别为37 6、39 2mN·m-1,证明所合成的含酯基不对称双季铵盐阳离子表面活性剂具有较高的表面活性。收藏指正
3.Structure of the synthesized oleaster starch APG was characterized by IR. Its CMC is 2×10~(-5) mol/L,HLB is 18 and surface tension is 25.9～28.9 mN·m~(-1).
测定其表面张力为25 9～28 9mN·m-1,25℃时临界胶束浓度为2×10-5mol/L,HLB值为18,并对其结构进行了红外测定。收藏指正
4.The lowest surface tension of the surfactant solution is 30.6mN/m. C20 is 5 10-5mol/L, CMC is 6.3 10-4mol/L, those show high surface activity;
该表面活性剂水溶液的最低表面张力为30.6mN／m，表面张力效率C_(20)为5×10~(-5)mol／L，临界胶束浓度(CMC)为6.3×10~(-4)mol／L，说明具有较高的表面活性；收藏指正
5.In acid solution, Sildenafil reacts with Evans blue to form an ion association complex, which causes the fading of the Evans blue solution. The maximum fading wavelength is located at 620 nm. The apparent molar absorptivity(ε 620 ) is 3.2×10 4 L·moL -1 ·cm -1 . The concentration of Sildenafil in the range of 0-1.5×10 -5 moL·L -1 obeys Beer? law.
在酸性条件下 ,西地那非与依文思蓝反应 ,形成离子缔合物 ,使依文思蓝溶液褪色 ,最大褪色波长位于6 2 0nm ,表观摩尔吸光系数ε6 2 0 为 3 2× 10 4 L·mol- 1 ·cm- 1 ,西地那非浓度在 0～ 1 5× 10 - 5mol·L- 1 范围内 ,遵守比尔定律 .收藏指正
6.The reaction yield can get 97.5%. The CMC of the emulsifier is 2.616×10~(-2) g·L~(-1) by the determination of surface tension. The surface tension of γ_c is 32.2×10~(-3)N·m~(-1) at CMC.
利用表面张力仪，测定了该乳化剂的临界胶束浓度(CMC)为2.616×10~(-2) g·L~(-1)，溶液在临界胶束浓度下的表面张力γ_c为32.2×10~(-3)N·m~(-1)。收藏指正
7.the critical micelle concentration (cmc) of these surfactants is 2.63 10-4- 4.17 10-4 mol·L-1(m=12) and 2.88×10-5- 4.46×10-5 mol·L-1(m=14).
-4.17×10-4 mol·L-1(m=12)及2.88×10-5-4.46×10-5 mol·L-1(m=14),分别比相应的单季铵盐表面活性剂的临界胶束浓度低两个数量级;收藏指正
8.The surface tension of the aqueous solutions of the amphiphilic copolymer was measured and the critical micelle concentration(CMC) was calculated to be in the range of 3.5×10~(-5)～(5.8×)10~(-5) mol/L, showing that the surface activity of these di-block copolymers is similar to that of typical surfactants.
测定了一系列两亲性共聚物水溶液的表面张力,求得临界胶束浓度(CMC)值在3 .5×10-5 ~5 8×10-5 mol/L之间,表明该两段式共聚物具有与传统表面活性剂相似的表面活性。收藏指正
9.Cyp (3×10 -5 , 6×10 -5 mol/L) and Ani (2×10 -5 , 4×10 -5 mol·L -1 ) markedly inhibited TNF α (1.2×10 -9 mol·L -1 )-induced [Ca 2+ ] i elevation.
Cyp (3× 10 -5mol/L或 6× 10 -5mol/L)、Ani (2× 10 -5mol/L或 4× 10 -5mol/L)均能显著抑制由TNFα(1.2× 10 -9mol/L)诱导的单个内皮细胞 [Ca2 + ]i 升高。收藏指正
10.13 C-NMR. γ cmc (DNAC)=37 2 mN/m,cmc(DNAC)=2 0×10 -5 mol/L.
测定了基本的表面活性 ,产品的表面张力为 3 7 2mN/m ,临界胶束浓度为 2 0× 10 -5mol/L。收藏指正