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Acid--aldehyde polymer tanning agent P (acrylic acid-crotonaldehyde was copolymerizaed from acrylic acid and crotonaldehyde in water and its structure was characterized by IR,〓C-NMR and DSC.

以丙烯酸、丁烯醛为共聚单体,采用水溶液共聚法,合成了含醛、酸基团高分子鞣剂----丙烯酸-丁烯醛共聚物,并利用IR光谱、〓C-NMR及DSC对其结构进行了确认和表征。

Synthesis of Antidote of N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane BI Hong-mei, ZHANG Jin-yan, LIANG Ying, SHEN Yong (College of Arts and Sciences Heilongjiang August First Reclamation University, Daqing 163319, Heilongjiang, China) Abstract: N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane was synthesized by one pot method with isopropanolamine, cyclopentanone and dichloroacetyl chloride. The optimum reaction conditions obtained are as follows:the proportion in moles of the above materials is 1∶1∶1.2, reaction solvent is toluene, reaction temperature is -15 to -10 ℃,reaction time is 3 h, under the optimum condition, the yield of the compound is 50.0%.

除草剂解毒剂N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷的合成毕洪梅,张金艳,梁英,沈勇(黑龙江八一农垦大学文理学院,黑龙江大庆 163319)摘要:以33%的氢氧化钠水溶液为缚酸剂,异丙醇胺、环戊酮和二氯乙酰氯为原料,采用&一锅法&合成了N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷,采用正交实验法得到最佳反应条件:反应原料摩尔比为1∶1∶1.2,苯作溶剂,反应的温度为-15 ℃~-10 ℃,搅拌时间为3 h,产率达到50.0%。

The effect of cyclopentene concentration palladium salts, FePc, acid and reaction mechanism were discussed.

在乙腈的酸性水溶液中,考察了 Pd Ac2 /Fe Pc催化氧化环戊烯合成环戊酮的催化活性,讨论了影响该反应活性的因素及其反应机理。

Glutaraldehyde was prepared by oxidation of cyclopentene with aqueous solution of hydrogen peroxide.

用过氧化氢水溶液氧化环戊烯制得戊二醛。

The growth inhibiting rate of T24 cell lines were detected by MTT methods, apoptosis of cells were detected by flow cytometry, the mechanism of apoptosis was analyzed by detecting the protein expression of Bcl-2, Bax, Caspase-9, Caspase-3 and cytoplastic protein Cytochrome C. 4 We injected live T24 cells into the subcutaneous space of nude mice and successfully built up the animal model of bladder carcinoma. The effect of CS-PAA-EPI polymer magnetic microspheres targeting chemotherapy was investigated by HE staining, TUNEL ,tumor weight and volume inhibition rate. Results: 1 TEM revealed that the CS-PAA polymer magnetic microspheres were regular spherical shape,the average diameter was 80nm in dry condition. By controlling the pH value of the medium,polymers had positive or negative zeta potential. VSM showed the CS-PAA polymer magnetic microspheres had superparamagnetic. The diameter of CS-PAA-EPI polymer magnetic microspheres were 200nm in solution by DLS examining,the embedding ratio was 20%,the EPI loading rate was 15%, which was higer than reported in other articles. 2 Raw eye observation found that the rat"s bladder of treatment group was brown color,which meaned the aggregation of iron particles, compared with the control group, iron stain found iron particles were assembled in rat"s bladder of the treatment group, the amount of iron particles in liver and spleen were less obviously.

研究结果:1合成的CS-PAA磁性聚合物微球呈球形,大小均一,TEM测定其干态下粒径为80nm左右,磁化曲线证实具有超顺磁性,具有一定的PH敏感性,固载表柔比星后,水溶液性状稳定,无沉淀物,DLS测定直径约200nm左右,测定载药率为15%,较文献报道高,包封率为20%。2肉眼观察试验组大鼠膀胱表面呈褐色,可见大量的Fe粒子聚集,普鲁士兰染色法显示,试验组大鼠膀胱壁内有大量的Fe粒子,分布至膀胱壁全层,与对照组大鼠相比,试验组大鼠的肝、脾内的Fe粒子聚集量明显降低;HPLC测定结果与Fe染色相同;高剂量磁性CS-PAA-EPI生理盐水组及单纯EPI生理盐水组均在给药后14天出现血肌酐和尿素氮的升高,其他组大鼠血生化指标没有明显变化。3MTT法发现,高、中、低剂量磁性CS-PAA-EPI生理盐水组在外加磁场的协同作用下杀伤T24细胞效应明显高于单纯的EPI生理盐水组,FCM发现试验药物组可引起明显的肿瘤细胞凋亡,试验药物治疗组细胞胞浆内出现了由线粒体释放出的细胞色素C,试验组细胞Bcl-2蛋白减少,Bax蛋白变化不明显,Caspase-3、Caspase-9蛋白受到了激活活化。4高、中、低剂量磁性CS-PAA-EPI生理盐水组的瘤重抑制率和瘤体积抑制率均明显高于单纯的EPI生理盐水组(P<0.01),其中高剂量组的抑制率最高。

Methods: The saturated water solution mixing method was compared with microwave method and ultrasonic method by determining the ultilization ratio of the volatile oil in Dalbergia odorifera.

以挥发油包合率为评价指标,比较饱和水溶液搅拌法、微波法及超声波法,以正交实验优选最佳工艺条件,并用TLC对包合前后的挥发油性质进行分析。

With the volatile oil content of Dalbergia odorifera as an index, the stability of the inclusion compound was examined under strong light, high temperature and volatilizing, respectively. In addition, the heat stability of the inclusion complex was investigated by DSC-TGA.

方法在不同溶媒的作用下以饱和水溶液搅拌法包合花梨木挥发油β-环糊精包合物,以花梨木挥发油含量为测定指标,分别对花梨木挥发油β-环糊精包合物和混合物进行强光照射、高温、挥发性实验并通过DSC-TGA对包合物进行了热稳定性研究。

Seven 1-phenyl-(4-pyridinyl)acetylene derivatives were conveniently synthesized in this paper using corresponding styrylpyridines as starting materials by bromination, rearrangement and debromination.

本文采用简单易行的方法从苯乙烯基吡啶类衍生物通过溴化、重排和脱溴化反应合成了7种苯乙炔基吡啶类单体,研究了它们在1mol/L盐酸水溶液中的光环加成反应。

The adsorption of decyl and octyl Me sulfoxides at the silica/aq. solution interface and the contact angles of sulfoxide solns. on quartz were measured.

测定了癸基和辛基-甲亚基亚砜在硅胶/水溶液界面的吸附以及溶液在石英界面的接触角。

The composition comprises: 35 to 65 wt % of an anionic detergent or surfactant selected from alkyl benzene sulphonic acids, alpha olefine sulfonates, long chain fatty acid sulphates, higher fatty acids, as well as the alkali metal and alkaline earth metal salts thereof, and natural detersive agents, and mixtures of any of these; 3 to 15 wt % of a non-ionic detergent or surfactant selected from alkoxylated alkyl phenols and alkoxylated fatty alcohols; 5 to 10 wt % of a water-swellable cellulose derivative or a salt thereof, wherein the cellulose derivative exhibits a viscosity of at least about 1500 cps, measured in a 1 % aqueous solution at 25 DEG C with a Brookfield viscometer having spindle 3, speed 30rpm, factor 40 for viscosities of 2500-3500 cps; 6 to 20 wt % of a solubility regulator selected from alkali metal and alkaline earth metal chlorides, carbonates and sulphates, aluminosilicates and starch; and 0 to 20 wt % of a fragrance or perfume in solid, liquid or microencapsulated form.

该组合物包含:a35―65%重量的阴离子洗涤剂,其选自烷基苯磺酸、α-链烯烃磺酸盐、长链脂肪酸硫酸盐、高级脂肪酸以及其碱金属和碱土金属盐和天然的去污剂,和任何这些组分的混合物;b)3―15%重量的非离子洗涤剂,选自烷氧基化烷基酚和烷氧基化脂肪醇;c)5~10%重量的水可溶涨的纤维素衍生物或它们的盐,其中纤维素衍生物按1%水溶液在25℃下用Brookfield粘度计(3号转轴,转速30rpm,2500―3500cps粘度的因子是40测定;具有粘度至少约1500cps;d)6―20%重量的溶解性调节剂,选自碱金属和碱土金属氯化物、碳酸盐和硫酸盐、硅铝酸盐和淀粉;和e)0~20%重量的为固体、液体或微囊包封形式的香精。

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This paper analyzes the compound attractor structure of a new three-dimensional autonomous chaotic system.

分析了一种新的三维自治混沌系统吸引子的复合结构。

ON shut rivals out of their transmission systems and shy away from reinvesting their profits in network improvements.

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Objective: Elucidate the medicinal licorice species circumscription in order to develop licorice resources in China and select new cultivars.

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