Two major

•

Three features must be pointed out. First(ly), we must recognize... Second(ly),... Third(ly),...

•

For one thing (or On the one hand),susceptibility is low after cooling; for another [or on the other ( hand)], this cooling rate seems too high to permit...

•

In the first place, two major types exist; second, closer examination discloses that...

•

We have run into (or encountered, or met with) difficulties with corrosion

* * *

•

Three features must be pointed out. First(ly), we must recognize... Second(ly),... Third(ly),...

•

For one thing (or On the one hand),susceptibility is low after cooling; for another [or on the other ( hand)], this cooling rate seems too high to permit...

•

In the first place, two major types exist; second, closer examination discloses that...

. иметь тенденцию к; наблюдается тенденция к; проявлять тенденцию к

•

The tendency for a decrease...

•

The tendency to leak is a serious defect.

•

The tendency toward instability...

•

Today the trend is to unitized construction.

•

The trend today is to differential counting.

•

Two major patterns appear to be followed.

•

There are at present two major schools of thought concerning the nature of the ageing process.

. в основном; главный; определяющий фактор

•

Refrigeration and heating require the major portion of the energy.

•

It is the look into the molecular world that is our principal interest.

•

We wish to point out a few salient features of this theory.

•

General descriptions of the basic (or main, or principal) types of cooling towers have been published.

•

Liquid wastes can be divided into two broad classes, sewage and industrial liquid wastes.

•

That country is the dominant (or predominant, or chief, or principal, or leading) producer and consumer of this metal.

•

The foremost consideration in the design of the furnace is...

•

The key step in the production of antibiotics is fermentation.

•

Major uses of alum are as astringents, styptics and emetics.

•

Major parts are the crankcase, crankshaft, pistons,...

•

The primary purpose is to determine the hardening characteristics.

•

Two salient differences are to be noted.

•

The time constant is not a fundamental parameter in the system.

•

Some of the essential features of the apparatus are illustrated in Fig. 3.

II

см. кислотный, основной

. в процессе; во время; на протяжении

•

Stirring is continued during ( the course of) the reaction.

•

The decrease in neutral atom concentration during the course of the pulse...

•

Many thousands of major earthquakes are likely to occur in the course of a few million years.

•

The outflow of Gulf Stream water over the course of a year...

•

This holds the swept signal constant throughout each sweep period.

•

Most valves are assembled and shipped within two to four weeks.

•

The light output of some quasars has been observed to change significantly in a matter of days.

•

Over (or During) a period of several decades the group experimented with the infusion of fats.

* * *

 Within the next two decades, more once-through-cooled power plants are proposed for installation.

 All experiments were conducted within a span of two days to reduce the effect of silica dissolution.

. большинство; главным образом; по существу

•

The earth's atmosphere is largely composed of nitrogen and oxygen.

•

Concretions are composed ( pre) dominantly of calcium carbonate.

•

This chapter principally compares the characteristics of...

•

Nitric acid is significantly natural in its occurrence.

•

Most of the theory is basically the same as that of sound waves in air.

•

Basically, these variations result from...

•

Bone ash gives essentially the same counting efficiency as...

•

The instrument consists essentially of a prism, a pan of mercury,...

•

For the most (or major, or greater) part, the subjects are covered adequately.

•

The shield has been designed for the most part from common materials.

•

The region for linear operation will be determined fundamentally by the maximum width of...

•

The heading remains much as in the previous version.

•

Axial transport in unpacked tubes is predominantly (or principally, or chiefly, or mainly, or in the main) by conversion.

•

The article is primarily concerned with...

•

Some types of sedimentary rocks are substantially of the same composition as clay.

•

The corpuscular radiation from the Sun, mostly electrons and protons, is an efficient source of...

•

This fuel resists combustion knock principally because it has...

•

Typically the canopy is closed and the forest is dark, although...

•

The colour force is overwhelmingly employed in the service sector.

•

When the process is substantially complete,...

* * *

 The test facility consisted basically of a compressed air supply, an air flow metering section, and interchangeable plenum/jet plate assemblies.

 The differences that appear are mainly due to variations in the pressure.

 Property changes result mostly from microstructural transformation.

 Two values of X from [...] are presented primarily to indicate how much results change with X.

 This is chiefly because, in this region, pressure-relieving devices tend to be less reliable.

 In the main, the available information on the jets is restricted to normal impingement.

. в процессе; во время; на протяжении

•

Stirring is continued during ( the course of) the reaction.

•

The decrease in neutral atom concentration during the course of the pulse...

•

Many thousands of major earthquakes are likely to occur in the course of a few million years.

•

The outflow of Gulf Stream water over the course of a year...

•

This holds the swept signal constant throughout each sweep period.

•

Most valves are assembled and shipped within two to four weeks.

•

The light output of some quasars has been observed to change significantly in a matter of days.

•

Over (or During) a period of several decades the group experimented with the infusion of fats.

. идти на

•

The instrument measures power consumed by its own current.

•

A major portion of the energy is expended in heating the contacts.

•

Most of the energy goes into moving the two-particle system.

. получать название; так назван потому, что

•

By a long slug is meant one which is long enough to be the subject of a steady-state extrusion.

•

Wiener credited the vacuum tube as being the major instrument of...

•

This portion of the wave will be denoted (or named, or designated, or called) the stable section.

•

When the ratio is unity, the propeller is described as a square propeller.

•

This system is designated as Model M-50.

•

Such a plot is generally identified as a "Stress-Number of Cycles Curve".

•

This phenomenon is known as piping.

•

Such absorption is termed chemical.

•

This type of magnetism is given the name temporary magnetism.

•

Actinomycetales are often spoken of as "higher", "filamentous", or "mouldlike" bacteria.

•

This relationship has been labelled as Stefan's law.

•

When there are more than two alleles of a given gene, they are said to be multiple alleles.

•

The minimum current density needed to start lasing action in a diode is termed (or referred to as) the threshold current density.

•

A major part of the production of the earliest nitrogen fixation plants was diverted to the manufacture of munitions.

•

We are unable to switch rapidly to nuclear sources.

•

We turn our attention to the two enormous ice masses...

. наблюдаться

•

Anaplastic cells are derived from adult, differentiated cells.

•

This change comes about by virtue of the force acting on...

•

Such explosions come ( about) (or occur) each 100 years.

II

. иметь место; наблюдаться

•

No major breakthrough has come about (разг.).

•

Most of the world's volcanic activity is found near the boundaries of...

•

We know from experience that this does not happen.

•

This process has been going on for 3 billion years.

•

The change from melt to crystalline rock happens (or occurs) rapidly.

•

Here, fluvial denudation has been in progress for long periods of time.

•

Expansion of the clay mass results when more water penetrates...

•

The Mediterranean Sea was the site of extensive evaporite depositions ( B Средиземном море происходили...).

•

Processes of fluvial denudation are at work from the very beginning.

•

Such an event will never come to pass.

•

Two processes operate simultaneously.

•

Every living cell is a seat of numerous metabolic reactions.

•

Combustion will occur (or proceed) at any pressure if a suitable catalyst is added.

•

If a leak occurs urgent measures should be taken.

•

Under these conditions the transformation of heat energy into other forms of energy takes place.

•

The 1930s saw a marked spurt in the technological applications of catalysts.

•

The past 20 years have witnessed an amazing increase in the number of molecules detected.