Absolute gerundial constructions

Absolute gerundial constructions are constructions where is a word between a preposition and gerund. This word denotes a doer. Such kind of

word can be a possessive pronoun or noun in common or possessive case. In translation of this construction a noun becomes a subject, a gerund becomes a predicate, e.g.: There is unmistakable proof of Pauling’s having been wrong - Имеются

несомненные доказательства того, что Полинг ошибался.

Vocabulary

impurity - примесь

p

93

owder photograph - рентгенография порошков

tetraethyl germanium - тетраэтил германия

germanium -германий

to treat - обрабатывать

germanium tetrachloride - тетрахлорид германия

diethylzinc - диэтиловый цинк

to agitate - перемешивать

double bond - двойная связь

electron cloud - электронное облако

intermediate phases - промежуточные фазы

magnetic susceptibility - магнитная восприимчивость

to visualize - наблюдать, представлять

mercury - ртуть

antimony - сурьма

incompatible - несовместимый

nitrobenzene - нитробензол

by-product - побочный продукт

apparent - очевидный

radius - радиус

ammonium cyanate - цианат аммония

Practice

Translate the following sentences paying attention to the gerundial constructions.

1. Experiments showed that the starting products did indeed contain impurities.

2. Identical procedures are followed in preparing the powder photographs.

3. Winkler prepared tetraethyl germanium by treating germanium tetrachloride with diethylzinc.

4. Having analyzed antimony and mercury properties we came to the conclusion that they were incompatible .

5. Instead of having a magnetic susceptibility the substance proved to be diamagnetic.

6. Considering hydrolysis as the first order reaction it is possible to draw some conclusions.

7. While agitating the mixture no temperature rise was observed.

8. In approaching the double bond the radical may be visualized as a particle drawing out electron from electron cloud.

9. The possibilities for investigating the electronic structures of intermediate phases are very promising.

10. They pointed the reaction proceeding via two routes.

11. The extraction process can be economic on the basis of uranium being a by-product of the superphosphate.

12. Nitrobenzene cannot be heated above 170 ^o C with sulphuric acid without violent decomposition.

13. The reaction must have taken place with the data showing a change in the infrared region.

14. In a view of the reaction proceeding via other route the results were different.

15. Care must be taken to prevent moisture from the bottle diffusing into carbon dioxide tube.

16. 94

    On the basis of radius of the boron atom being 0.89 A, the apparent electron affinity of boron trifluoride was calculated to be 6.1 electron volts.

17. Under conditions which lead to a significant fraction of ammonium cyanate being associated as ion-pairs the treatment of the data should be different.