查询词典 synthesis method

The colloidal synthesis method of CdSe QDs was described in detail, and the photoluminescent...

文中给出了CdSe量子点材料的制备方法和其发光特性，探讨了如何将不同尺寸的CdSe量子点复合在一起来获得多色照明器件。

Therefore, the study podophyllotoxin intermediate synthesis method has an important academic value and application value.

因此，研究鬼臼毒素中间体的合成方法具有重要的学术价值和应用价值。

The synthesis method of robust model predictive control is presented for continuous-time systems with polytopic uncertainties.

运用线性矩阵不等式方法，研究连续时间多面体不确定系统的鲁棒预测控制问题。

The invention relates to a synthesis method for an SAPO molecular sieve, which mainly solves the problems of low crystallinity and poorer performance of the SAPO molecular sieve in the prior art.

本发明涉及一种SAPO分子筛的合成方法，主要解决现有技术中SAPO分子筛结晶度低、性能较差的问题。

Large single crystals of many AlPO〓 or SAPO molecular sieves such as AlPO〓-41, AlPO〓-11, AlPO〓-CJ2, AlPO〓-5, SAPO-47, SAPO-11, and SAPO-31 was easily synthesized using normal synthesis method.

如AlPO〓-41、AlPO〓-11、AlPO〓-5、SAPO-47、SAPO-11、SAPO-31、AlPO〓-15、AlPO〓-CJ2、NKX-19、NKX-20。其中NKX-19、NKX-20为新合成化合物，AlPO〓-41分子筛单晶属于首次合成，AlPO〓-CJ2、AlPO〓-15是在不加任何有机模板剂的情况下合成的。

Based on the model, a program is put forward in microcomputer, which is achieved by the substructural model synthesis method.

在算法上，采用了节省内存，计算效率高的动态子结构模态综合法，实现了本文提出的桥墩空间动力分析模型的微机计算，为桥墩振动分析、地震力估算与病害桥墩的状态模拟提供了基础。

The optimum reaction condition for preparation of CoPcY is as follows: a , using CoCl2 as the exchanged salt ; b , complexation temperature of 180 ; c . complexation catalyst of NH4C1 and A1C13 .2, The unsymmetrically substituted cobalt phthalocyanine complexes were synthesized by statistical condensation of phthalic anhydride and tetrabromophthalic anhydride, and further immobilized in MCM-41 molecular sieves by zeolite synthesis method, as well as characterized by XRD,FT-IR,DRS, 1HNMRetc. The catalytic property of CoPcBrx/MCM-41was tested by cyclohexane oxidation using H2O2 or t-BOOH as oxidant.

2采用本路线制备CoPcY的最佳条件为：a、采用氯化钴作为待交换的金属盐；b、络合温度以180℃为宜；c、起始反应物为苯酐、尿素、氯化铵、氯化铝、CoY时，制备出的CoPcY的催化性能最好； 2、首次采用苯酐和四溴苯酐均相浓缩统计合成法制得了不对称取代的金属钴酞菁络合物，并采用~1HNMR、FTIR、DRS等对其进行了结构表征；此外，采用沸石合成法将其固定于MCM-41中孔分子筛，并对其催化性能进行了考察。

The cDNA squence of antibiotic, an antibacterial peptide, a process for preparing the said cDNA and a process for recombining the antibacterial peptide are disclosed. The present frequency of amino acid codens in Attacin A cDNA is analyzed. The high-frequency coden is introdued to its protein sequence to configure its cDNA sequence. The target gene is synthesized by chemical synthesis method or polymerase chain reaction.

本发明公开了葛佬素的cDNA序列，葛佬素cDNA的制备方法以及重组抗菌肽葛佬素的制备方法；通过对同种已知蛋白质Attacin A cDNA中氨基酸密码子的出现频度进行分析，采用出现频度高的密码子带入葛佬素蛋白质序列中进行葛佬素的cDNA序列构建，用化学合成法及聚合酶链式反应进行目的基因的合成，另外，采用基因重组法制备抗菌肽葛佬素，并测定了其活性。

In order to improve the thermal stability of positive materials, adulterating technology, doping technology and synthesis method optimization may be used.

可以利用掺杂技术、涂层技术及优化合成条件等手段来改善正极材料的热稳定性。

Objective: This experimental study is based on earlier animal and clinical experiment, drawn thinkings of combinations with two methods and pursued a synthesis method of high-efficiency, cheap and convenient calcium and exercise treatment. We adopt taking natural-clam's casing powder and preconcereted-intensity excises to intervene shape of osteoporosis in gelded rats, than we compare the indexes such as the biomechanics indexes of the right femur and the third lumbar vertebrae, the weight and uterus quotiety of rats before the experiment to these indexes after the experiment. We hope to find better and suitable way to prevent and treat the postmenopausal osteoporosis and offer reference for clinic.

目的 本实验的主要目的是在前期动物实验的基础上，引入两种方式联合干预的思维，立足于探求既高效又经济、方便的补钙剂加上与运动疗法相联合的方式，对切除雌性大鼠卵巢而复制成的骨质疏松症模型进行服用天然贝类蛤蜊壳粉，同时施以预定强度的运动刺激的方法，再通过试验前后大鼠体重、子宫指数的变化及大鼠股骨和椎体生物力学指标的对比变化进行分析，以期探索出防治绝经后骨质疏松症的更好的、更适宜于大众的手段；并为天然钙剂和运动联合作用防治PMOP提供参考。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失