Translation of "Unter sauerstoffausschluss" in English

Others are facultative aerobic, they can also perform metabolism in the absence of oxygen.

The solution is stirred at 70° C. in the absence of oxygen.

The siliconization in step a4) is carried out under oxygen exclusion.

Preferably, the siliconization is carried out with the exclusion of oxygen.

In an embodiment of the present invention, the procedure is not effected in the absence of air and oxygen.

The system can be operated without any problem with oxygen being excluded.

Contrary to blown oils, this takes place under exclusion of oxygen.

Thus, it is highly important to handle iron proteins in an anaerobic environment.

The mouldings are then sintered for some hours at high temperatures with the exclusion of oxygen.

The metal compounds are thermally decomposed in the absence of oxygen, whereby very finely distributed metals are produced.

Advantageously, it is carried out in the absence of oxygen, for example under nitrogen or under argon.

It is not necessary to carry out the reaction in the absence of oxygen, although this procedure is preferred according to the invention.

We have an ÄKTA start system inside the glovebox that enables us to carry out anaerobic protein purification.

The debindering of the dry green body takes place under oxygen exclusion, preferably under protective gas, preferably nitrogen.

By annealing at a high temperature under oxygen exclusion, the proportion of the ideally hexagonal crystal structure can be increased.

The grafting-on of the polymeric material is effected in the course of a conventional redox polymerisation with exclusion of oxygen.

The production of “relatively thick” viscoelastic layers in particular must in many cases be carried out in the absence of oxygen.

The raw materials first pass through a sluice without oxygen into a continuously rotating screw.

The PLA polymer does not get degraded in the absence of oxygen and is only poorly degradable under aerobic conditions.

If photocuring is carried out with the exclusion of oxygen, for example under nitrogen, about 0.1-1% by weight suffices; if the reaction is carried out in air, about 2-5% by weight are required.

The process according to claim 1, wherein liquid dimethylketene is introduced, undiluted, in the absence of oxygen and in the presence of a protective gas atmosphere at normal pressure.

This is followed by a further hour of stirring at 60° C., and subsequently a solution of 38.5 ml of isopropanol and 2.28 g of butyrophenone is added in the absence of oxygen.

The solution (2.5 ml) was purged with argon and allowed to react, under the exclusion of oxygen, under argon, with 42 ?l of a solution of FITC-labelled polylysine (1 nmol), modified with 2.3 nmol of mercaptopropionate groups (prepared as described in EP 388 758).

It is known that glycerol dehydrogenase-forming micro-organisms usually best form this enzyme when they are cultured under anaerobic conditions, i.e. with the exclusion of oxygen.

From a solution of 4.8 kg (43.6 mols) of hydroquinone in 60.0 kg of N-methyl pyrrolidone and 10.0 kg (89.3 mols) of 50% aqueous potassium hydroxide solution a mixture of N-methyl pyrrolidone/water is distilled off under exclusion of oxygen until the water content in the distillate is below 1%.

With complete protection against oxygen, the amounts of 9-borabicyclo(3,3,1)nonane (9-BBN) listed in Table B were added, and the mixture was agitated until the 9-BBN was quantitatively dissolved.