Nowadays precision dew point hygrometers are mostly the type of light-electricity detection,thermoelectric refrigeration and specula-surface condensation dew point instrument internationally.
And he denied the United States -- which did not reedify ratify the internationally negotiated Kyoto Protocol - is trying to push its own plan of action on others.
The premelting hollow granular CC powder is an internationally advanced one used for CC at present. The paper describes the production process and the equipment selection for this powder.
Wearing a navy blazer and conservative tie, unpressed khakis, and brown leather sneakers, he looked more like a college senior dressed for a job interview than an internationally famous writer.