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The removing rates on Scenedesmus dimorphus,Microsystis flos-aquae,Synedra acus and Cyclotella meneghiniana are 100.0%,52.1%,60.5%and 73.3%when the algae exposed in the disinfect agent with 62.5ppm available chlorine for 48h,respectively.

采用钠法工艺生产的次氯酸钙是一种无残毒、不产生二次污染的高效广谱灭菌药物。对该药物的杀藻效率进行生物测试的结果表明,它能有效地杀灭引发水华的绿藻、蓝藻和硅藻。

In order to optimize an effective combined preservative applied to the orange juice preservation, the authors studied the synergistic effect of biological and chemical combined preservative which contained Nisin, potassium sorbate, EDTA and sodium isoascorbate in preservation of orange juice compared to preservation effect of each aforementioned additive in individual use. Results show that the growth of microorganisms can not be inhibited completely using each aforementioned additive in single use.

该文以天然生物防腐剂乳酸链球菌素、化学防腐剂山梨酸钾、乙二胺四乙酸以及食品抗氧化剂异Vc钠为原料,对通过复配后得到的各组复合型防腐剂在橙汁保鲜中的协同增效作用进行研究,并且与单一的防腐剂保鲜效果进行比较,得出一组适合在橙汁中使用的高效复合型防腐剂。

Application of the material characteristics of the absorption spectra were studied under different conditions of crystal violet and the anionic surfactant sodium dodecyl sulfate to form ion-association complex of the purple of the optical properties.

应用物质的吸收光谱特性,研究了不同的条件下结晶紫与阴离子表面活性剂十二烷基磺酸钠形成的紫色离子缔合物的光学特性。

She and her colleagues used the detergent SDS, which is usually used as denaturant to degrade protein, to activate hemocyanin. At certain high concentrations, instead of destroyomg the complex, it turns hemocyanin into an enzymatically active phenoloxidase.

她和她的同事用一种经常被用作蛋白质变性剂的十二烷基磺酸钠来活化血蓝蛋白,它在一定的高浓度下,增强血蓝蛋白酚氧化酶的活性而不会破坏血蓝蛋白复合物。

In this paper, the bovine serum albumin-β-mercaptoethanol-sodium dodecylbenzene sulphonate system was studied by resonance light scattering technique. Based on the RLS intensity difference between β-ME-SDBS system and BSA-β-ME-SDBS system, a simple assay for BSA was developed.

通过测量β-巯基乙醇-十二烷基苯磺酸钠-牛血清白蛋白体系的共振光散射强度,建立了一种测定BSA的快速、简便的共振光散射光谱法。

The structure layer turns from TOa type to TOaT type (balanced by interlamellar cations), then to TOaT type for kaolinite, illite and pyrophyllite, respectively; alumina to silica mass ratio turns from 0.86 to 0.42; the surface zeta potentials turn small, but they show little relation with their surface charge density.

通过红外光谱分析可知,十二胺和油酸钠在一水硬铝石、高岭石、伊利石和叶蜡石表面的吸附主要以静电力作用的物理吸附为主,与矿物的表面电性有关。

A neutral non-cyanide copper plating (rack plating and barrel plating) process was developed.

开发出钢铁基体上中性无氰镀铜工艺,其配方中的配位剂是需要经过多道工序合成的具有x结构的化合物,还含有醋酸铜和磷酸二氢钠。

The process formulas consist of a complexing agent with a structure ofx synthesized by several procedures, and copper acetate and sodium dihydrogen phosphate.

开发出钢铁基体上中性无氰镀铜工艺,其配方中的配位剂是需要经过多道工序合成的具有x结构的化合物,还含有醋酸铜和磷酸二氢钠。

For five Enterobacteriaceaes tested for ESBLs by double-disk method, two primers were designed and synthetized: TEM-1and SHV-1, ESBLs gene type was amplified, sequenced and analyzed by PCR; the minimal inhibitory concentrations of Cetiofur combined BLI-Tazobactam to the five Enterobacteriaceae according to different proportions were carried out with two fold dilution method.

对产生ESBLs的5株致病性大肠埃希氏菌,设计并合成TEM-1和是SHV-12对引物,用PCR方法进行了ESBLs的DNA扩增、测序和基因型分析;用试管二倍稀释法测定头孢噻呋与BLI-他唑巴坦钠以不同配比对产生ESBLs大肠埃希氏菌的最小抑菌浓度。

CoCl2 (a chemical hypoxia-mimetic agent) was used to establish the chemical hypoxia-induced PC12 cell injuries model. Sodium hydrosulfide was used as a H2S donor. The viability of PC12 cells was measured by CCK-8 assay. The percentage of apoptotic cells was assessed by propidium iodide stain flow cytometry. The morphological change of apoptotic cells was tested by using the chromatin dye Hoechst 33258. The mitochondrial membrane potential was analyzed by rhodamine 123 staining and photofluorography. The level of reactive oxygen species in PC12 cells was measured by DCFH-DA staining and photofluorography.

应用化学性缺氧模拟剂CoCl2在PC12细胞建立化学性缺氧损伤模型;以硫氢化钠作为H2S的供体;应用CCK-8比色法检测细胞存活率;碘化丙啶染色流式细胞技术检测细胞凋亡率;Hoechst33258染色检测细胞凋亡的形态学变化;罗丹明123(Rh123)染色荧光显微镜照相检测细胞线粒体膜电位;2',7'-二氯荧光黄双乙酸盐染色荧光显微镜照相检测细胞内的活性氧水平。

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