查询词典 derivative

The development of the formation of lyotropic and thermotropic liquid crystals of cellulose and its derivatives,the relationship between the molecular structure and the liquid crystalline behavior and cellulose derivative composites with cholesteric order are reviewed with 79 references.

本文全面地综述了纤维素及其衍生物溶致性液晶和热致性液晶的形成，液晶性与大分子链结构，以及具有胆甾型液晶相结构的纤维素衍生物复合材料等方面的最新研究进展。

Summary of Background Data. Limaprost, an oral PGE1 derivative, was developed in Japan to treat numerous ischemic symptoms of thromboangiitis obliterans and LSS.

背景资料摘要：利马前列素（一种口服前列腺素E1衍生物）是日本开发研究用于治疗血栓性脉管炎和腰椎管狭窄症患者局部缺血的症状。

The results indicate that the PPV oligomer with biphenyl bridge is a cross form between two chains and tortuose derivative in the same chain. It reduces molecular symmetry and weakens %π-π% stacking effect among conjugated molecules in solid. This is perhaps the important factor that light-emitting diodes can increase fluorescence quantum efficiency.

结果表明，联苯桥联后的PPV齐聚物在结构上形成了链间交叉链内扭曲的构象，这种交叉扭曲的构象降低了分子的对称性，减弱了共轭分子在固体中的π-π堆积作用，这可能是减少荧光猝灭效应，提高固体发光器件效率的重要原因。

Dixon transamination of oligopeptides and insulin results in the formation of a fluorescent derivative having emission maximum about 398-408nm with 0.02-0.03 quantum yield by the excitation at 3l2-333nm depending on the nature and length of the peptide.

短肽及胰岛素的N-末端经Dixpn转氨后具有荧光发色性质，其激发与发射波长随肽链氨基酸残基的种类和数量的不同而有差异，其范围大约为Ex 312—333nm；Em 398—408nm；量子产率为0.020—0.03。

In chapter four, molecular imprinting polymers against amino acid derivatives utilizing 2-VP+AM as combined functional monomer and trimethylolpropane trimethacrylate as tribasic cross-linker were prepared and result was compared with those with the same amino acid derivative as the imprinted molecules utilizing ethyleneglycol dimethacrylate as dibasic cross-linker. It was found that cross-link intensity of the molecular imprinting polymer is higher when TRIM was utilized and baseline separation for the imprinted molecule could be achieved. When TRIM was utilized as cross-linker more molecule is imprinted during the polymerization.

第四章采用2-乙烯基吡啶+丙烯酰胺复合功能单体，考察了三元交联剂三甲氧基丙烷三甲基丙烯酸酯烙印氨基酸衍生物的情况，并与二元交联剂乙二醇二甲基丙烯酸酯烙印相同氨基酸衍生物的情况进行了对比，发现三甲氧基丙烷三甲基丙烯酸酯交联剂在较小的用量下就可使分子烙印聚合物达到足够的交联度，实现烙印分子的基线分离。

And the chelation-enhanced fluorescence effect of tripodal naphthylethylamide derivative appeared when it was complexed with transition metal ions such as Cu〓 which have quenching potential.

其原因在于络合的过渡金属离子抑制了化合物的PET和化合物的三足结构又屏蔽了过渡金属离子对荧光体的直接猝灭作用。

Potassium Guaiacolsulfonate ; syrupus phenergani tussis ; first derivative spectrophotometry

愈创木酚磺酸钾；非那根止咳糖浆；一阶导数分光光度法

In recent years, the financial market had a quick development and the stock, bond and other derivative financial instruments were unceased weeding through the old to bring forth the new, the investors had many opportunities to choose among those portfolios.

近年来金融市场的活络及股票、债券及其他衍生性金融商品不断的推陈出新，投资者有更多投资商品可供选择，却也存在著因股价、利率、汇率等价格波动形成的风险。

Derivative A financial instrument whose characteristics and value depend upon the characteristics and value of an underlier, typically a commodity, bond, equity or currency.

衍生品 一种其资产特点和价值依赖于原生资产（典型的如商品，债券，股票和货币）特点和价值的金融工具，如期货和期权。

The following table details the remaining contractual maturities at the balance sheet date of the Group's and the Company's non-derivative financial liabilities, which are based on contractual undiscounted cash flows (including interest payments computed using contractual rates or, if floating, based on rates current at the balance sheet date) and the earliest date the Group and the Company can be required to pay.

下表详细列载于结算日本集团及本公司非衍生金融负债之剩余合约期限，该等期限乃根据合约未贴现现金流量（包括按合约利率计算或按结算日之即期利率计算之利息付款）以及本集团及本公司可能被要求付款之最早日期计算。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。