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sds     
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  十二烷基硫酸钠
     By using titration and chromatograph analysis, phase diagrams of H_2O/C_(12)H_(25)-SO_4Na/n-C_4H_9OH/n-C_8H_(18) system with various ratios of surfactant (SDS) to cosurfactant (n-C_4H_9OH) were measured.
     用滴定法和色谱分析测定了H_2O/C_(12)H_(25)SO_4Na/n-C_4H_9OH/n-C_8H_(18)系统在表面活性剂十二烷基硫酸钠(SDS)与助表面活性剂正丁醇不同配比下的相图。
短句来源
     The anionic surfactant SDS can control the current oscillation of nickel in 0.5 mol·L-1 HNO3/0.005 mol·L-1 Cl-/H2O system.
     阴离子表面活性剂十二烷基硫酸钠(SDS)能够控制金属镍在0.5mol·L-1HNO3/0.005mol·L-1Cl-/H2O溶液中的电流振荡行为.
短句来源
     Measurement s were carried out in a buffer solution containing 44mmol · L boric acid and 19 mmol·L-1 SDS and 6% methanol (pH 8.22) ,at 20kV running voltage.
     运行缓冲液为44mmol·L~(-1)硼酸-19mmol·L~(-1)十二烷基硫酸钠(SDS)-6%甲醇(pH8.22); 操作电压20kV;
短句来源
     The experimental results indicate that the material has the ordered cubic pore structure when n(Co 2+)/n(SDS)/n(H_2NCH_2CH_2NH_2)/n(H_2O) is 1.0∶(0.8~1.1)∶(1.2~2.4)∶200, and reaction temperature is 80 ℃.
     研究结果表明,当n(Co2 + ) /n(SDS) /n(H2 NCH2 CH2 NH2 ) /n(H2 O) =1.0∶(0 .8~1.1)∶(1.2~2 .4 )∶2 0 0 ,反应温度为80℃时,所合成的氧化钴/十二烷基硫酸钠复合物具有典型的立方介孔结构特征。
短句来源
     In this experiment foam flotation is used to remove Cr 3+ from the wastewater, sodium dodecyl sulfate ( SDS ) as surfactant, and Fe(OH) 3 as flocculant, and operating parameters adaptable to batch operation are obtained: pH value of solution about 5.5, SDS 180 mg/L, and gas flowrate 800 mL/min.
     本实验采用泡沫浮选技术脱除废水中的Cr3 +,用十二烷基硫酸钠 (SDS)作表面活性剂 ,Fe(OH) 3 作絮凝剂 ,得到间歇操作流程适宜的操作参数为 :溶液pH值为 5 .5左右 ,SDS为 180mg/L ,气体流量 80 0mL/min。
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  抑郁自评量表
     raw score in SDS was 29.62±6.26,standard score in SDS was 37.71±8.04;
     抑郁自评量表粗分为29.62±6.26,标准分为37.71±8.04。
短句来源
     The scores of SAS and SDS were higher in the addicts were higher than those in the normal users (62.63±20.29, 41.43±9.61; 46.50±14.74, 38.51±8.28; P < 0.025).
     焦虑自评量表及抑郁自评量表得分均为网络成瘾者高于普通网络使用者[(62.63±20.29,41.43±9.61),(46.50±14.74,38.51±8.28),(P<0.025)]。
短句来源
     Methods They were all investigated with self made general questionnaire, Zung Self-Rating Anxiety Scale (SAS), Zung Self-rating Depression Scale (SDS), Personality Questionnaire (EPQ).
     方法采用自制一般状况调查表、Zung式焦虑自评量表SAS(Self Rating Anxiety Scale)、Zung式抑郁自评量表SDS(Self-rating Depression Scale)、艾森克人格问卷(Eysenck’s Personality Questionnaire, EPQ)。
短句来源
     ② Comparison among different grade: The scores of SDS among the grade one, grade two and grade three were close (48.76±10.39, 49.22±11.12, 47.99±10.74).
     ②年级间比较:一、二、三年级学生抑郁自评量表得分接近(48.76±10.39,49.22±11.12,47.99±10.74)。
短句来源
     The total standard scores of SDS and SAS were also significantly higher in the observational group than in the control group [(60.12±5.46, 34.91±5.46), (58.76±6.80, 31.98±3.43), t=23.97-24.15, P < 0.01].
     其抑郁自评量表及焦虑自评量表总标准分同样显著高于对照组犤(60.12±5.46,34.91±5.46),(58.76±6.80,31.98±3.43),(t=23.97-24.15,P<0.01)犦。
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  经sds
     Its molecular weight was(28 44 kD)determined by SDS PAGE.
     分子量经SDS-PAGE确定为28.44 kD.
短句来源
     coli TG1.The molecular weight of GSTIL13 induced by IPTG is about 36 kD identified by SDSPAGE,and its expression level accounted 10%~30% of total bacterial proteins.
     经异丙基硫代半乳糖苷(IPTG)诱导后表达的GSTIL13融合蛋白经SDSPAGE证明分子量约36kD,表达量约占菌体蛋白总量的10%~30%。
短句来源
     The product expressed was about 35.5% of the total bacterium proteins by SDS PAGE analysis and was found nearly 39% as soluble protein,61% as inclusion in cytoplasm.
     经SDS PAGE分析 ,表达产物约占菌体总蛋白 35 5 % ,其中 39%以可溶蛋白形式存在于胞质中 ,61 %以包涵体形式存在。
短句来源
     with arginine as N terminal,pI of 5 1 and molecular weight of 40 3 kd measured by SDS PAGE.
     经SDS-PAGE测得分子量约40.3kD,等电点为5.1,N-末端氨基酸为精氨酸,酶的最适温度为35℃。
短句来源
     The results show that SiO2/HPMC-PMMA(SiO2 pretreated with SDS) and HPMC-g-PM-MA contribute to the deterioration of , while SiO2/HPMC-PMMA(SiO2 un- pretreated with SDS) result in the improvement of the mechanical properties of the composites.
     结果表明:SiO_2/HPMC-PMMA(SiO_2经SDS预处理)和HPMC-g-PMMA使材料力学性能下降,而SiO_2/HPMC-PMMA(未经SDS处理)使材料的力学性能有所提高。
短句来源
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  十二烷基磺酸钠
     Methods HPLC system consisted of C18 column(3.9 mm×300 mm,10 μm),mobile phase was composed of acetonitrile solution of potassium phosphate(0.05 mol/L,40∶60,with 0.015 mol/L SDS),and the detection wavelength was 345 nm.
     方法色谱柱为C18柱(3.9mm×300mm,10μm),流动相为乙腈:0.05mol/L磷酸二氢钾(40∶60,内含0.015mol/L十二烷基磺酸钠),检测波长为345nm。
短句来源
     mobile phase: 26.2 mmol/L SDS acetonitrile phosphoric acid (700∶300∶0.5);
     流动相为26.2mmol/L十二烷基磺酸钠水溶液-乙腈-磷酸(700∶300∶0.5);
短句来源
     Results Being treated with the extracts for 24,48 and 72 h in vitro,the elimination rate of R plasmids was 0,1.8 %and 3.4 %respectively,while in SDS(sodium dode canesulphonate)control group the elimination rate was 0,0.8 %and 1.6 %respectively.
     结果中药白头翁提取液体外作用24,48,72h后,R质粒消除率分别为0,1.8%,3.4%,十二烷基磺酸钠(SDS)对照组分别为0,0.8%,1.6%。
短句来源
     Methods A hypersil C18 column(125×4.6mm,5μm)was used,methanol-water(per 1000ml contains 0.6g potassium dihydrogen phosphote,1.0g SDS,1 ml acetic acid)(50:50)as the mobil phase,flow rate at 1.0ml·min-1,and the detection wavelength was 257nm.
     方法用hypersil C18色谱柱(125×4.6mm,5μm),以甲醇-水(1000ml中加入磷酸二氢钾0.6g,十二烷基磺酸钠1.0 g,冰醋酸1ml)(50:50)为流动相,流速为1.0ml. min-1,检测波长为275nm。
短句来源
     Norfloxacin yielded stronger fluorescence in tartaric acid and sodium tartrate buffer solution at pH 2.1.SDS was(able) to enhance the fluorescence intensities of norfloxacin. The linear range was 0.069 3-0.693 0 μg /mL and the regression equation was F=66.89c+0.149 4,the correlative coefficient was 0.999 4,the detection limit was 0.010 3 μg /mL.
     诺氟沙星在pH值为2.1的酒石酸-酒石酸钠缓冲溶液中具有较强的荧光,十二烷基磺酸钠(SDS)胶束溶液对诺氟沙星的荧光有增敏作用,线性范围为0.069 3~0.693 0μg/mL,回归方程为F=66.89c+0.149 4,相关系数为0.999 4,检出限为0.010 3μg/mL。
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  sds
The common techniques, such as high performance chromatography and SDS-PAGE, can only carry out qualitative analysis.
      
The power-time curves of SLA and SDS in the presence of a long-chain alcohol (n-heptanol, n-octanol, n-nonanol, n-decanol) in the DMA medium were determined.
      
For SLA or SDS in a DMA solution, under the same concentration of alcohol, the values of CMC, ΔH?m and ΔS?m increase, while the value of ΔG?m decrease with the increase of temperature.
      
Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and Western blot analysis revealed that T800/T1300 were highly expressed in the form of an inclusion body induced by isopropylthiogalactoside.
      
The soluble DszC in the supernatant was purified by Ni2+ chelating His-Tag resin column and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) to electronics purity.
      
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The subcutaneous administration of sodium dimercaptosuccinate (SDS) at a dose of 1500 mg/kg immediately after the intraperitoneal injection of trivalent antimonyl ammonium gluconate (AAG) increased the LD_(50) of the latter from 90—112 mg/kg to 1300—1460 mg/kg. The acute toxicity of the latter when injected intravenously in rabbits was also decreased when SDS was administered via the same route. Two hours after the intravenous injection of AAG (containing radioactive antimony) in rabbits, high radioactivity...

The subcutaneous administration of sodium dimercaptosuccinate (SDS) at a dose of 1500 mg/kg immediately after the intraperitoneal injection of trivalent antimonyl ammonium gluconate (AAG) increased the LD_(50) of the latter from 90—112 mg/kg to 1300—1460 mg/kg. The acute toxicity of the latter when injected intravenously in rabbits was also decreased when SDS was administered via the same route. Two hours after the intravenous injection of AAG (containing radioactive antimony) in rabbits, high radioactivity level was found in the liver. The levels in the spleen and the thyroid were very low. Intravenous administration of SDS immediately after the antimonyl decreased the radioactivity level in the liver. Fifteen minutes after the AAG injection, plasma radioactivity was 1.4—1.6 times the radioactivity in the blood cells. When SDS was also administered, the plasma level was 3.4—27.4 times as high as the level in the cells. Kidney was found to be the main route of excretion of antimony in rabbits. When SDS was used after AAG, about 96% of the administered dose of antimony was excreted in 72 hours, whereas only 36% was excreted in the same period if AAG was administered without SDS.

皮下注射二巯基丁二酸钠1500毫克/千克,司将小鼠一次腹腔注射锑铵的半数致死量从90—112毫克/千克提高至1300—1460毫克/千克。静脈注身锑~(124)铵予家兔後,如立刻经同一途径注射二巯基丁二酸钠,亦可降低锑铵的急性毒性。二巯基丁二酸钠的解毒机制为阻止血锑进入组织,减少锑在部分组织中的含量及增加锑自尿排泄的速度。锑主要自尿排出,用二巯基丁二酸钠後,72小时内锑由尿排出给药量的96%,而对照组动物在同时间内仅有36%由尿排出。

The present study is undertaken to compare the physico-chemical properties of foetal AFP and cancerous AFP of the liver purified by immunoadsorbent column with antibody specific to human AFP. For the AFP's from these two sources, it is found that the U. V. absorption maxima occured at 278 nm, their extinction coefficients, E_(1cm)~(1%), were 5.20±0.06 and their molecular weights, 71000. Two AFP fractions are observed in isoelectric focusing with pI's at 4.7 and 5.25±0.05. At 75.5℃ the kinetic constants of thermal...

The present study is undertaken to compare the physico-chemical properties of foetal AFP and cancerous AFP of the liver purified by immunoadsorbent column with antibody specific to human AFP. For the AFP's from these two sources, it is found that the U. V. absorption maxima occured at 278 nm, their extinction coefficients, E_(1cm)~(1%), were 5.20±0.06 and their molecular weights, 71000. Two AFP fractions are observed in isoelectric focusing with pI's at 4.7 and 5.25±0.05. At 75.5℃ the kinetic constants of thermal in activation for immunochemical activity are as follows: the rate constant of inactivation (k) 7.29×10~(-5) sec~(-1), the free energy of activation (E~+) 95.4 KCal·Mole~(-1), the enthalpy of activation (△H~+) 94.7 K Cal·Mole~(-1), and the entropy of activation (△S~≠) 193 Cal·Mole~(-1). Degree~(-1). From evidence furnished by SDS-polyacrylamide electrophoresis it appears most likely that both foetal AFP and cancerous AFP consist of single polypeptide chains. Their amino acid compositions are very much alike and their S-S bonds play a very important role in maintaining the immunochemical activity of AFP. Both GNBr-cleft AFP samples give 7 main peptide-fragments and corresponding peptides have closely similar molecular weights. From the above mentioned results it may be concluded that no differences in the nature of these two AFP's have been observed.

本文比较了胎儿AFP和肝癌AFP的物理化学性质,所测指标未发现本质差异。实验测得紫外吸收峰在278毫微米,消光系数E_(1厘米)~(1%)5.20±0.06。分子量71000左右。等电聚焦观察到AFP至少有两种形式,pI值分别为4.7和5.25±0.05。75.5℃热失活动力学参数:失活速度常数k7.29x10~(-5)秒~(-1),活化能E~≠95.4千卡/克分子,活化热焓ΔH~≠94.7千卡/克分子,活化自由能ΔF~≠27.2千卡/克分子,活化熵ΔS~≠193卡/度·克分子。分子量为71000的AFP分子可能由一条多肽链组成,二硫键对维持其免疫化学活性起重要作用,溴化氰裂解可得到分子量不等的七个多肽片段。

The chemical composition and the enzymatic activities of normal and silicotic alveolar macrophages were compared in order to investigate the changes occurring after the introduction of quartz into the lung. As shown from the SDS-PAGE results, the protein composition of the silicotic alveolar macrophages was different from the normal in three places. Two protein lines showed increased intensity and one protein line was absent from the gel of the silica containing cells.The lecithin and lysolecithin contents...

The chemical composition and the enzymatic activities of normal and silicotic alveolar macrophages were compared in order to investigate the changes occurring after the introduction of quartz into the lung. As shown from the SDS-PAGE results, the protein composition of the silicotic alveolar macrophages was different from the normal in three places. Two protein lines showed increased intensity and one protein line was absent from the gel of the silica containing cells.The lecithin and lysolecithin contents were both increased in the silicotic macrophages. The presence of an increased amount of lysolecithin may indicate that the cells were destroyed by the quartz.The acid phosphatase actvity and the oxygen consumption of the silica containing cells were both lower than normal cells.After treatment of the silicotic rats with PVNO, the composition and the enzymatic activities of the macrophages were all returned to the normal level. This shows that PVNO protects the alveolar macrophages from destruction by the quartz particles. Other drugs tested also showed some protective effect on the cells.

文中比较了正常大鼠与矽肺大鼠肺泡巨噬细胞中蛋白质与磷脂的组成,以及酸性磷酸酶活性与耗氧量的差别。根据SDS-PAG电泳的结果看到矽肺大鼠肺泡巨噬细胞的蛋白质区带比正常者多两条,但缺少了一条分子量较小的区带。矽肺大鼠肺泡巨噬细胞中含有大量卵磷脂,说明石英能引起肺表面活性物增多。同时,溶血卵磷脂也比正常者明显地增多,酸性磷酸酶活性与耗氧量均比正常者低,这些都说明石英改变了细胞的组成,破坏了细胞的功能。用克矽平(PVNO)治疗过的大鼠肺泡巨噬细胞的化学组成及酶活性都与正常者近似,证明此药能保护巨噬细胞防止被石英破坏。津_5、山梨醇铝等药物对细胞也表现有不同程度的保护作用。

 
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