The extraction mechanism and separation process of lanthanum and actinium were studied in HDEHP ( kerosene )-HNO 3 system.

The extraction mechanism and separation process of lanthanum and actinium were studied in HDEHP ( kerosene ) NO 3 system.

本文研究了在HNO_3体系中,P_ ( 204 ) 萃取La和 Ac的 机理及影响La, Ac萃 取分离因素,给出了La, Ac分配的数学摸型.

Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 ( actinium ) through 103 ( lawrencium ).

锕类任何化学性质相似, 原子序数在89 ( 锕 ) 与103 ( 铹 ) 之间变化的放射性元素.

Starfish are actinoid -- that is, they are radially symmetrical.

海星呈放射性形状 —— 那就是说, 它们是呈对称的放射状.

The low-density paraquat stimulated the growth of bacteria and actinomyces, but high-density paraquat inhibited their growth.

低浓度的百草枯刺激土壤细菌和放线菌种群的生长, 而高浓度的百草枯则抑制其生长.

The effect of 5406 actinomyces on the growth of wheat seedling were studied.

摘要本文研究了5406放线菌对小麦幼苗的影响.

Gram-positive cocci was the main pathogen, one case of superficial infection was caused by Actinomyces.

革兰阳性球菌是手术部位感染的主要病原菌, 1例罕见的放线菌引起表浅切口感染.

After indoor screening and purifying, 66 strains of actinomyces and 118 strains of bacteria are isolated.

经室内分离、纯化后得到不同放线菌66株,细菌118株.

According to the recent studies, Streptococcus mutants, Lactobacillus, Actinomyces viscosus are the major caries pathogens.

目前,研究较多的致龋菌有变异链球菌 、 乳杆菌 、 黏性放线菌等.

Objective : To analyze the relation ship between Streptococcus mutants, Actinomyces and dental root surface caries.

目的:分 析变形链球菌和放线菌与根面龋的关系.

Firstly, a strain secreting blue pigments was separated from soil that was identified to be actinomyces.

研究首先从土壤分离得到一株天蓝色色素产生菌,初步鉴定为放线菌.

As indigenous oral bacteria, the Actinomyces are thought to contribute to caries especially to root caries.

放线菌是口腔固有菌群中的主要菌属,与龋病尤其是根龋的发生、发展有密切关系.

L 892 is an actinomycete strain isolated from soil sample collected at Guangdong Province.

从广东土壤中分离出一株放线菌L892,它产生的抗生物质对耐红霉素金葡球菌209P耐药株呈交叉耐药反应.

Actinomycete had the higher ability of deodorization.

放线菌除臭能力较强.

It was a novel idea to control the growth of Microcystis actinomycete.

利用放线菌的代谢产物特异性抑制或杀死微囊藻是一条治理水华的新思路.

Any of various actinomycetes of the genus Streptomyces, including several strains that produce antibiotics.

由放射菌类的链霉菌造成的用来治疗肺结核的抗生素.

In this review, we summarize the current progresses on plasmid biology in the rare actinomycetes.

本文综述目前稀有放线菌中的质粒生物学的研究进展.

The result showed that the intention that actinomycetes could produce agricultural antibiotic by SSF was feasible.

结果表明,利用放线菌固态发酵生产农用抗生素的思路是可行的.

The effects of the three pesticides on the change of the actinomycetes'number are not obvious.

三种杀线剂对放线菌数量的影响不明显.

From a series of tests , BTO-l, BTO-2, BTO-3 are classified as bacterial and FL-i as actinomycetes.

确定:BTO-1 为螺旋状细菌类, BTO-2为杆状细菌类, BTO -3 为球状细菌类,FL-1为灰色放线菌类.

Bacteria, fungi, molds, and actinomycetes, which leave tiny openings in the soil.

细菌 、 真菌 、 霉菌 、 放线菌等使土壤形成许多小孔隙.