The phrase "a unique data base" is correct and usable in written English.
It can be used when referring to a data repository that is distinct or one-of-a-kind in its content or structure.
Example: "Our research team has developed a unique data base that contains information not found in any other source."
Alternatives: "an exclusive data repository" or "a distinctive data collection".
The measurements of vertical ion velocity from the first Republic of China Satellite (ROCSAT-1) provide a unique data base for the development of possible relationship between vertical E × B drifts and ground based magnetometer observation.
Using a unique data base of 201 industries over a 15-year period, we find that increases in the proportion of employment of scientists and engineers in industries are positively associated with counts of fast-growing new firms; however, we do not detect a relationship between fluctuations in the proportion of employment in sales and production occupations and counts of fast-growing new firms.
Established in the wake of world food crisis of the early 1970's, the GIEWS maintains a unique data base on all aspects of food supply and demand for every country of the world.
This study provides unique data based on the Longitudinal Health Insurance Database (LHID).
Using a unique data set based on the health records of all children born in New Jersey between 2006 and 2010, we show that when we split the data by whether or not children live in a "black" zip code, this racial difference in the incidence of asthma among LBW children entirely disappears.
The analysis is based on a unique data set related to these problems, encompassing both in-depth interview-based data on complexities and independent official data on policy delivery.
The analyses are based on a unique data set collected from a household survey in three provinces in China.
Based on a unique data set of German EMAS-validated facilities, this paper investigates the effects of different characteristics of EMAS on technical environmental innovations and economic performance.
This study is based on a unique data set that includes activity and travel diaries collected from three Arab communities in the Galilee region of Israel.
Based on a unique data set consisting of publicly held high technology firms, the empirical evidence suggests that, in fact, firm performance is not influenced by the type of university.
The empirical analysis is based on a unique data set that combines various different data sources.
