无水乙醇
- 与 无水乙醇 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Through ethanol deposition, organic solvent extraction, then active carbon, 732 positive ion-exchange resin and silica gel columniation chromatography, cream nematocide substance have been obtained. Inspection the substance by TLC, UV-Visible Spectrophotometer have been deduced singleness component, and it's pure 97.38% by HPLC. The substance could use for structure analysis and character identify.
活性物通过无水乙醇沉淀,有机溶剂萃取,活性炭柱、732型阳离子交换树脂柱及硅胶柱层析后,经硅胶薄层层析、紫外-可见光检测和高效液相色谱检测,其纯度达97.38%,可用于物质进一步结构分析及性质测定。
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Satisfactory pain relief results were obtained when the neurolytic solution encircled the aorta adequately from two sides. The tumorous retroperitoneal lymph nodes shrank markedly with severe necrosis.
在止痛效果显著者,可观察到无水乙醇扩散较完全,能从两侧包绕腹主动脉,肿大的淋巴结有明显坏死。
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Methods A total of 105 later periods cancer sufferer who had intractable upper abdominal pain were included, in which 67 accompanied with extensive retroperitoneal lymph nodes and celiac plexus involvement fusing masses. Ethanol was injected through neurolytic celiac plexus block with the needle tip positioned into masses fused by lymph nodes.
105例晚期癌症患者,67例伴有后腹膜淋巴结广泛肿大并包绕神经、血管,均有顽固性上腹痛,经CT导引穿入隔脚前及后腹膜肿大淋巴结内行两侧腹腔神经丛无水乙醇阻滞术。
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The sol-gel solution was prepared by mixing ethyl orthosilicate, absolute alcohol and 0.1molL^(-1) HCl in a definite proportion, and adding an appropriate amount of silicotungstic acid as active material, strring for 30min and then standing for 24h at room temperature.
溶胶-凝胶溶液系将正硅酸乙酯、无水乙醇及0.1molL^(-1)盐酸按一定比例混合后加适量的硅钨酸作为活性物质,搅拌30min混匀后在室温放置24h配成。
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Objective To assess the safety and efficacy of the CT guided percutaneous ethanol injection in terminally ill cancer patients with painful osteolytic bone metastases.
目的 探讨CT导引下经皮穿刺注射无水乙醇治疗溶骨性骨转移瘤的价值及安全性。
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The analysis of X-ray diffraction and scanning electron microscope energy dispersion spectra show that the primary hydrolysis products of antimony pentachloride and its hydrochloric acid solution are amorphous antimony oxide rather than SbO2Cl.
X射线衍射和扫描电镜能谱分析表明:五氯化锑及其盐酸溶液的初始水解产物不是SbO2Cl,而是一种非晶态锑氧化合物;随着水解母液酸度的降低,五氯化锑溶液水解产物陈化五天后的晶型由非晶态向晶态变化;五氯化锑溶液水解产物经无水乙醇洗涤后水解产物仍为非晶态,而经蒸馏水洗涤虽主要为非晶态,但有少部分结晶的Sb2O5·4H2O晶体存在。
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The preparation of the membrane is that the phthalazine polyether-sulfone-ketone polymer is mixed with chloroform, Ethanol or butanol according to certain quality proportion; after the magnetic stirring, the evenly mixed casting solution is obtained, filtered and carried out with vacuum deaeration; The casting solution is scraped into membrane of certain thickness on the non-woven fabric by adopting the scraper; the membrane is standed for 24 hours in the air of certain humidity and temperature to obtain the plate ultrafiltration membrane of phthalazine polyether-sulfone-ketone.
本发明公开了属于高分子膜分离技术领域的一种二氮杂萘聚醚砜酮类聚合物平板超滤膜的制备方法,所述膜的制备方法为:用二氮杂萘聚醚砜酮类聚合物与氯仿、无水乙醇或正丁醇按照一定的质量比混合,磁力搅拌后得到混合均匀的铸膜液,过滤并真空脱泡;将铸膜液采用刮刀在无纺布上刮制成一定厚度的膜,该膜在一定湿度和温度的空气中静置24h后即得到二氮杂萘聚醚砜酮类平板超滤膜。
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The wall-broken Cole bee pollen lOOg is extracted by 1:10 of anhydrous ethanol , continuously stirred in darkness for two hours. And then by means of centrifuge, cleaning, vacuum concentration, adjusting pH value, anion exchange resin chromatography, propanone extraction,being blown to dry and freeze-dried, we use HPLC to detect the content of the GA derivative of the freeze-dried powder.
将破壁油菜蜂花粉100g,在避光条件下用无水乙醇(料液比1:10)连续搅拌浸提2小时,浸提液经离心、洗涤、真空浓缩、pH值调节、阴阳离子树脂交换、乙酸乙酯萃取、吹干再冻干后用HPLC法分析,得冻干样品中赤霉素衍生物的含量为51.29%。
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TiO2 hollow nanofibers have been successfully synthesized by an electrospinning technique, using Ti(OC4H9)4, polyvinyl pyrrolidone and absolute ethanol as the starting materials.
采用静电纺丝技术,以钛酸丁酯[Ti(OC4H9)4]、聚乙烯吡咯烷酮和无水乙醇为原料,制备了TiO2空心纳米纤维。
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The esterification of mixing binary acid with ethanol was carried out under silicotungstic acid as catalyst in this experiment.
以混合二元酸为原料酸,硅钨酸为催化剂,与无水乙醇进行酯化反应制备混合二元酸二乙酯。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。