Metallocene catalyst is a kind of catalyst with single-site.
茂金属催化剂是一种具有单活性位点的催化剂,利用它可以使聚烯烃实现高性能化和开发新型聚烯烃。
Assay Methods and Unit Definitions of Xylanase Activity
木聚糖酶酶活性测定方法及酶活性单位定义
international unit of immunological activity
免疫活性的国际单位
unit of activity
活度单位 -表示某些医药制备品的治疗特性的一种单位
The most often used units of specific activity(abbreviated Sp. Act. ) are curies/mole.
最常用的比活性（符号是Sp．Act）单位是居里／克分子。
Redwood No. 1 [unit of viscosity]
力活一点〔黏度单位〕
Unit of measurement of type-size in printing
（作活字大小单位的）点
Study of Telomerase Activity and Its Subunits in Epithelial Ovarian Tumors;
上皮性卵巢肿瘤端粒酶活性表达及其亚单位基因表达的研究
Structure,Reactivity and Antitumour Activity of Monovacant Polyoxometalate,K_8[SiW_(11)O_(39)]·13H_2O;
单缺位Keggin型钨硅杂多酸盐结构、反应性和抗肿瘤活性
To hold an activity of order or sales exhibition of local publications published by a publishing entity of the province,
举办本省出版单位出版的地方性出版物订货、展销活动，
constructed with standardized units or dimensions allowing flexibility and variety in use.
根据标准单位或标准尺寸设计的有弹性的可灵活使用的。
Study of Telomerase Activity and Its Subunits in Brain Gliomas;
脑胶质瘤端粒酶活性表达及其亚单位基因表达的研究
Identification of Binding Regions and Neutralizing Epitopes of Murine Anti-human TNF mAbs for Construction of Therapeutic Chimeric Antibodies;
小鼠抗人TNF单抗结合域和亲和力的预测及其中和活性表位鉴定
Study of Telomerase Activity and Its Subunits in Cervical Cancer;
宫颈癌端粒酶活性表达及其亚单位基因表达的研究
Study on the Diagnostic Value of Telomerase Activity and hTERT in Pleural Effusions;
胸腔积液端粒酶活性和催化亚单位检测的诊断价值研究
Prokaryotic expression and Activity of E. coli Heat-Labile Enterotoxin Subunit B
大肠杆菌不耐热肠毒素B亚单位的原核表达及活性鉴定
Binding activity of polypeptide containing human Na~+,K~+-ATPase α1 subunit M1-M2 extracellular segment
人Na~+、K~+-ATPase α1亚单位M1～M2膜外区片段结合活性的研究
TRANSFORMATION OF THE OPERATING MECHANISM OF THE GEOLOGICAL PROSPECTING UNITS--A KEY TO THEIR REVITALIZATION
转换地勘单位经营机制是搞活地勘单位的关键
Active regions are in a sense the fundamental unit of solar activity and the most persistent and visible manifestation of solar magnetism.
在某种意义上说，活动区是太阳活动的基本单位，也是太阳磁性最持久的和看得见的表现形式。