查询词典 oxycellulose

When oxycellulose was chlorinated in 20mL DMF for 2hs,the yield was about 95%.

氧化纤维素氯化反应时间为2.5 h，DMF用量为20 mL时，产率约为95%。

When the aldehyde content of DAC is 50%, the best absorption capacity of oxycellulose for urea can be achieved.

氧化纤维素醛基质量分数为50%时对尿素氮的吸附性能最高。

Therefore it can he inferred that diethylenetriamine oxycellulose synthesized have the function of adsorbability for uric acid and As.

由此可知所研制二乙烯基三胺基氧化纤维素具有分别吸附尿酸和三价砷的功能。

The carboxylic content in oxycellulose was analyzed quantitatively by FTIR using KSCN as internal standard. Calibration curve with good linear relationship was obtained.

以KSCN作为内标，用傅里叶变换红外光谱法对氧化纤维素中的羧基含量作了定量分析，得出了线性关系较好的标准曲线。

The adsorption results of triethylene tetraamine-modified oxycellulose showed that:(1) when adsorption tests were carried at 37℃and pH7 in 5 h,static adsorption capacity of 0.5g adsorbent for urea(6g/L in dialysis solution),uric acid(1 g/L in redistilled water) and creatinine(0.1 g/L in dialysis solution) were 131.5mg/g,24.6mg/g,3.31mg/g respectively.

三乙烯基四胺基氧化纤维素的吸附性能结果表明：(1)吸附温度为37℃，pH值为7时，0.5g吸附剂对于尿素(6g/L透析液)、尿酸(1g/L二次水)、肌酐(0.1g/L透析液)在5h的静态吸附容量分别为131.5mg/g、24.6mg/g、3.31mg/g。

The appropriate conditions of polyaminating reaction was that oxycellulose chloride in 200mL DMSO was heated to 100℃with stirring,then was dropwised 10mL A2.3 and A3.4 separately,remaining the temperature for 12h,after pH was justed to 4-5,the products were obtained in 46%yield.

确定多胺化反应的较佳条件：在200mL DMSO搅拌加热至100℃，滴加A2.3和A3.4各10mL，维持温度反应12h，在酸性条件(pH：4-5)下生成，产率大约在46%左右。

Compared with theoretical values 49.0%C,7.8%H,17.1%N the elemental analysis results of YXA2.3 that was 45.1%C,4.7%H and 11.1%N showed that oxycellulose chloride were aminated only partially in about 45%yield because of their huge molecular volume.

对YXA2.3进行有机元素分析结果为：C 45.1，H 4.7，N 11.1(理论值为：C 49.0，H 7.8，N 17.1)，其中11.1＜17.1，4.7＜7.8，这是由于大分子的特性，氧化纤维素的氯化物只部分发生的胺化。

Microcrystalline cellulose was activated with NaOH solution, then its C2-C3 bond was oxidized with NaIO4 to generate oxycellulose under the acidic condition. The hydroxy on C6 in oxycellulose was chlorinated with sulfur oxychloride in DMF to give oxycellulose chloride.

将微晶纤维素先用NaOH溶液进行活化，然后在酸性条件下，用NaIO4氧化2，3位成为醛基，使其成为氧化纤维素，再将其在DMF下用二氯亚砜进行六位氯化制得氧化纤维氯化产物。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。