The task of BIPM is to ensure world-wide uniformity of measurements and traceability to the International System of Units (SI). The SI system In the SI system there are 7 Base Units, and a number of Derived Units. Most of these units ...
aWith petrol at 1.08 a litre,the UK is the second most expensive country in Europe. However, diesel is more expensive in the UK than anywhere else in Europe---1.13 a litre. 与汽油在1.08一公升,英国是次要个昂贵的国家在欧洲。 然而,柴油比别处是昂贵在英国在欧洲---1.13一公升。[translate] ...
Additionally, for a conventional pipette, the minimum handling volume of the liquid is limited to the microlitre level, which causes a significant, costly waste of targets, compounds and reagents. The pipetting technique has been automated to make this process less labour-intensive. Automated liquid...
阿尔法拉夫Unique Mixproof Valve One for All - 独特混合防泄漏阀门 TECHNICAL DATA Max.product pressure:...1000kPa(10bar)Min.product pressure:...Full vacuum.Temperature range:...-5°C to+125°C(Depending on rubber quality)Air pressure:...Max.800kPa(8bar).PHYSICAL DATA Product wetted steel pa...
Dans un autoclave de 3 litres, préalablement séché et muni d'un agitateur, on a introduit x mg du solide catalytique obtenu en B, y ml d'une solution de triéthylaluminium d'une concentration de 40 g/l et 1 litre d'isobutane. La température a été élevée à T °C et de ...
6.6.2 Competitors must ensure that a 1.0 litre sample of fuel may be taken from the car at any time during the Event. After a practice session, if a car has not been driven back to the pits under its own power, it will be required to supply the above mentioned sample plus the ...