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- Study of the chemical constitution of essential oils from Magnolia biondii Pamp. 望春玉兰精油化学成分研究。
- Methods The chemical constitution of Quercetin was modified by estrification,halogenotion and oxidation. 方法采用酯化、卤化、氧化反应对槲皮素进行化学结构修饰。
- Objective:Main chemical constitution of volatile oil of Asarum Sagittarioides was investigated. 目的:分析山茨菇挥发油的化学成分。
- Objective: To review the research advances in the chemical constitution and pharmacological activities of the Gelsemium elegans. 目的:综述马钱科胡蔓藤属钩吻植物化学成分及药理作用的研究进展。
- The structure and chemical constitution, and the influ-ence of beating degree, pH value and alum on their electrokinetic characteristics were discussed in detail. 本文从纤维和细小纤维的结构和化学组成入手,主要论述了纤维和细小纤维的湿部化学特性,并重点探讨了打浆度、H值和铝盐对纤维素纤维动电特性的影响。
- Abstract：Ironic phosphate has shown a rich chemical constitution and can be used in various fields such as oxydehydrogenation catalysis and lithium batteries. 摘要：磷酸铁盐在氧化脱氢催化和锂电池电极材料等领域有着重要的应用。
- High yield strength IF steel with Nb and Ti microalloying is developed through chemical constitution design, refining, hot and cold rolling technological operation. 通过化学成分设计和冶炼、热轧及冷轧工艺的控制,研制出铌钛微合金化高屈服强度IF钢。
- Research progreses in chemical constitution,biosynthesis and metabolic pathways of plant disease resistive material are systematically reviewed in this paper. 本文就近年来对植物抗病性物质的化学组成、生物合成、代谢途径方面的研究进行了综述。
- In this paper, a cast Be bronze is mentioned in its chemical constitution, designation, properties, application, rudimentary knowledge on metallurgy, processing method, heat treatment and industrial hygiene. 介绍了铸造铍青铜的化学成分、牌号、性能、用途、冶金基础知识、加工方法、热处理工艺和铍的工业卫生措施。
- By on-line infrared spectroscopic method, the changes of chemical constitution of acy-lonitrile (AN)/diacetone acylamide (DAA)/methyl acylate (MA) copolymers have been measured continuously during its low temperature pyrolysis under different atmospheres. 本文用傅里叶变换红外光谱法在位连续测定了丙烯腈(AN)、二丙酮丙烯酰胺(DAA)和丙烯酸甲酯(MA)三元共聚物在不同气氛中低温热解时化学结构的变化。
- Advances in studies on chemical constitutents from plants of Dendrobium Sw. 石斛属植物化学成分研究进展。
- Objective:To demonstrate the chemical constitutes of Alyxia sinensis . 目的:探讨春根藤的化学成分。
- Through integrated study of crystallinity of authigenic illite and chemical constitution of authigenic chlorite,it is concluded that the Cenozoic paleogeothermal gradient is from 37. 综合应用自生伊利石结晶度和自生绿泥石化学成分,得出济阳坳陷新生代古地温梯度为37。
- This article analyzes the observed data of the chemical constitution of undergraound fluid and takes on the degassing and the gas drying after the degassing of the hot water well as two key links. 本文在数字化地下流体化学组分的观测中,认为热水井的脱气和脱气后的气体干燥是两个关键环节。
- The structure and chemical constitution conditions of forging white iron have been studied, and the feasibility of forging white iron melten in cupola were analyzed and verified through production. 试验研究了白口铸铁锻造的组织及成分条件,分析并实际验证了冲天炉熔炼的白口铸铁锻造的可行性。
- The chemical constitutions of mulberry Sorosis are complicaed.It has abundant nu-trition. 桑椹化学成分复杂,营养丰富。
- This paper introduces the main chemical constitutions and the food therapy value of the Alliums Sativum L. 介绍了大蒜的主要化学成分及食疗价值,探讨了大蒜的脱臭机理,阐述了脱臭蒜素胶囊的制造技术。
- The major chemical constitutes in essential oil were ester and alcoho.The major chemical compound was butanoic acid ethyl ester (86.89%). 其主要成分是酯类、醇类物质，其中丁酸乙酯的相对含量高达86.;89%25。
- The major chemical constitutes in essential oil were ester and alcoho.The major chemical compound was butanoic acid ethyl ester((86.89%)). 其主要成分是酯类、醇类物质;其中丁酸乙酯的相对含量高达86.;89%25。
- the chemical constitution of authigenic chlorite 自生绿泥石化学成分
