查询词典 algebraic fraction

Immunohistochemistry was positive for VIM in a large fraction of fibrocytes, vascular endothelial cells, vessel wall and perithelial cells.

波形纤维蛋白免疫组织化学染色在大部分纤维细胞、血管内皮细胞、血管壁及周细胞呈阳性反应。

The results showed that the low-molecular weight sodium polyacrylate from 2 000 to 4 000 were obtained when reaction temperature was 70 ℃,acrylic acid mass fraction was 20 %～30 %,the mass ratio of potassium persulphate to sodium hydrogen sulfite was 10∶1～14∶1,and reaction...

对合成的聚丙烯酸钠在陶瓷铁粉上进行应用试验，当聚丙烯酸钠加入量为0.3%~0.5%时，所得浆料粘度较小，有良好的分散效果。

The results show that the surface quality of phosphating film is obviously improved by ZY, and a uniform and compact coating can be obtained when phosphated at 20℃ for about 20 minutes, which is 1.09 g/m^2 in weight, can withstand CuSO4 solution dropping for above 200 s, and resist mass fraction of 3% NaCl solution soaking for more than 5 hours.

结果表明，成膜助剂ZY明显地改善了磷化膜的表面质量，在20℃、磷化20min时可以获得均匀致密的磷化膜，膜重为1.09g/平方公尺，耐CuSO4点滴时间超过200s，质量分数为3%的NaCl溶液浸泡时间超过5h。

Monododecylphosphate was prepared by esterification of lauryl alcohol with phosphoric acid(mass fraction 85%) on cesium phosphotungstate catalyst.

以磷钨酸铯盐为催化剂，由月桂醇和85%的磷酸直接酯化合成单十二烷基磷酸酯，考察了带水剂种类、反应时间、磷钨酸铯盐催化剂中的铯取代数、催化剂用量和月桂醇与磷酸摩尔比等条件对磷酸转化率及单十二烷基磷酸酯选择性的影响。

Fraction of Photosynthetically Active Radiation is a key parameter in the study of such topics as ecological system function and global changes, and hence it is important to estimate FPAR accurately.

光合有效辐射分量(Fraction of Photosynthetically Active Radiation，FPAR)是进行生态系统功能和全球变化研究的重要参数，准确估算FPAR具有重要意义。

FAPAR (Fraction of Absorbed Photosynthetically Active Radiation) is an important parameter for remote sensing monitoring plants net primary productivity of land ecosystem.

FAPAR是遥感估算陆地生态系统植被净第一性生产力的重要参数。

Cis-butendioic anhydride, benzoic acid and phthalide in light fraction column T201 were removed on the column top, the overhead component: benezene anhydride 25.74%, cis-butendioic anhydride 39.11%, benzoic acid 25.37%, phthalide 9.78%.

轻组分塔T201中顺酐、苯甲酸、苯酞都在塔顶被除去，其中塔顶组成：苯酐25.74%，顺酐39.11%，苯甲酸25.37%，苯酞9.78%。

The benzene fraction of the liquid-liquid partitioning was found to be the most active against the larvae of Plutella xylostella and Pieris rapae, with the rate of antifeeding, at ×50 dilution, of 97.7%and 97.3%, respectively, after 12 h exposure.

液—液分配法中，苯提取物的拒食活性最高，在50倍稀释浓度下，小菜蛾Plutella xylostella和菜粉蝶Pieris rapae幼虫对其拒食率分别为97.7%和97.3%。

The C 5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene .

来自裂解乙烯的 C5馏份含有非常有用的化工原料——异戊二烯、环戊二烯、戊间二烯。

A piperylene based petroleum resin was modified by the monoolefin fraction from C_5 separation unit.

采用 C5分离装置得到的 C5单烯烃馏分对间戊二烯石油树脂进行改性。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48