1、

Extraction methods of natural lac dye as well as its application to silk and cation modified cotton are discussed.

介绍虫胶染料的几种提取方法,及其在丝和阳离子改性棉上应用的研究进展。

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2、

A theoretical study on the mechanism of the Diels-Alder reactions of masked o-benzoquinone radical cation with furan

呋喃与掩蔽的邻位苯醌阳离子基的Diels-Alder反应的理论研究

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3、

With the action of some bivalent cation, high temperature shift catalyst has been prepared by mixture precipitation method using open-hearth dust as a raw material.

利用钢铁厂平炉尘制备中温变换催化剂,制备成本低,工艺简单,活性达到部颁标准,具有明显的经济效益。

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4、

It is discussed for the effect of types of surfactants and concentrations, alkaline concentrations, salinity, polymer, crude oil fractions, bivalent cation, non-ionic surfactants on interfacial tensions.

探讨了表面活性剂种类和浓度、碱浓度、矿化度、聚合物、原油馏分、二价阳离子和非离子表面活性剂等对界面张力的影响。

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5、

In addition, the complex of quinolone and bivalent canon in seawater or brackish water was speculated not stable, quinolone can be released into media when diluted with water without bivalent cation.

此外,喹诺酮与二价阳离子的螯合产物可能并不稳定,当用无二价阳离子水稀释后药物可被重新释放。

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6、

This shall provide scientific basis for the plan of study and con-trol on the cotton boll rot, and will create condition for the GM ( 1,1) extension and appli-cation on the basis level plant diseases and insect pests forecasting station.

这将为棉花烂铃病的研究和防治规划提供科学决策依据,也为GM(1,1)模型能在基层病虫测报站推广应用创造了条件。

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7、

Based on cation type in the interlays, S/ I can be subdivided into three kinds: calcium type, natrium type and their mixture type.

依据蒙皂石层层间阳离子类型,伊利石/蒙皂石无序间层矿物可进一步分为钙型、钠型和钙钠过渡型3种类型。

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8、

Grasping the measuring method of total exchange capability of acid cation resin.

掌握强酸性阳树脂总交换容量的测定方法.

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9、

Grasping the measuring method of working exchange capability of acid-cation resin.

掌握强酸性阳树脂工作交换容量的测定方法.

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10、

Cation exchange capacity generally increases with an increase in broken bonds.

通常阳离子交换量随破裂增加而增大.

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11、

The sodium is removed with cation exchange resin.

钠用阳离子交换树脂来分离.

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12、

The clay cation exchange capacity is affected by 2:1 type Clay mineral content.

粘粒阳离子交换量的高低与2:1型粘土矿物含量的多少相吻合.

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13、

The effect of cation-exchange resins on water dissociation is studied by measuring the current-voltage curves cell.

通过测量电流 - 电压特性曲线,研究了离子交换树脂对水解离的作用.

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14、

We used cation exchange resin to separate the freevincristine sulfate from the liposomes.

用阳离子树脂分离脂质体与游离药物,测定包封率.

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15、

Catalysis Synthesizing Diethyl Succinate by Cation Exchange Resin

离子交换树脂催化合成丁二酸二乙酯

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16、

Effects of Simulated Acid Rain on Exchangeable Cation Transplant and Acidifying Potential in Litchi Orchard Soils

模拟酸雨对果园土壤交换性阳离子迁移及其对土壤酸化的影响

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17、

The composition of exchangeable cation and the soil nutrient content can be used as the indexes to evaluate soil chemical fertility evolution, especially the former is more important.

交换性阳离子组成、养分全量及速效含量可作为评价红粘土红壤化学肥力演化的指标。

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18、

Study on the Response to Growing-power of the European Oak to the Change in Exchangeable Cation in Topsoil

土壤阳离子交换量的变化与欧洲栎生长势的研究

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19、

The contents of total nitrogen, total phosphorus, content of exchangeable cation ( CEC) and C/ N specific ratio were all improved.

施用有机肥的土壤全氮、全磷、重组磷及C/N比均呈提高趋势,pH值降低,其原土和重组复合体的阳离子交换量较高。

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20、

Many factors lead the clay mineral to swell and disperse, it is not only determined the composition and structure of glues on the mineral but also related to the factors of particle surface exchangeable cation ingredient, the dispersion medium nature and son on.

引起粘土矿物膨胀、分散的因素较多,除取决于组成粘上矿物的组分和结构外,还与颗粒表面交换阳离子成分、分散介质性质等有关。

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