a very poor efficiency

USAGE SUMMARY

The phrase "a very poor efficiency" is correct and usable in written English.
It can be used when discussing the effectiveness or performance of a system, process, or method that is lacking in productivity or output. Example: "The new software implementation resulted in a very poor efficiency, leading to delays in project completion."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

A power conversion efficiency of 2.19% was achieved for the DSSC with ZNRs/ZNPs, through back-illumination, which is higher than that of the cell with only ZNPs (1.80%); the DSSC with bare ZNRs showed a very poor efficiency of 0.90%.

Electrochimica Acta

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

A more recent study in Sierra Leone found somewhat lower TE scores, with averages of 0.68 (SD=0.69), 0.69 (SD=0.33), and 0.59 (SD=0.35) reported for three different groups of units, and a greater proportion of units with very poor efficiency (22%, 32%, and 52%, respectively) (22).

Global Health Action

In the Tigray region of Ethiopia, HPs were found to have an average TE of 0.57 (SD=0.32) and 60% of units had very poor efficiency scores (7).

Global Health Action

An early study on TE of peripheral health units in a district of Sierra Leone revealed an average TE score of 0.78 (SD=0.23), and 15% of units displayed very poor efficiency (TE<50%) (6).

Global Health Action

The overall efficiency of the diaphragm pumps is 2 4 times higher than that of the peristaltic pumps those exhibit very poor efficiency, particularly at low rotation speed.

Thermal Science and Engineering Progress

In fact, many algorithms varied in their impact across conditions, at times producing very poor efficiency values.

Cognitive Research: Principles and Implications

Due to the high recombination rate of the electron-hole pairs within the amorphous Si thin film, the CNT/Si cells made from amorphous Si have very poor efficiency.

Nanoscale Research Letters

While in 2009, there was a decrease in the number of HPs operating with high efficiency: 29% were operating with high efficiency, 29% with moderate efficiency, 21% with poor, and 21% with very poor efficiency.

Global Health Action

DEA studies conducted in Cuba and Mexico to assess the efficiency of urban health centers indicated higher TE scores with little dispersion, and few to zero units with very poor efficiency (TE<50%) (9, 10).

Global Health Action

However, the average TE scores were somewhat higher (0.78 and 0.75) and there were fewer HPs with very poor efficiency scores (15 and 20%) compared to findings from the two African countries.

Global Health Action

In 2008, 53% of the 34 HPs were operating with high efficiency, at or near the frontier of production (TE >90%), while 15% were operating with moderate efficiency (TE=70 90%), 21% with poor efficiency (TE=50 69%), and 15% with very poor efficiency (TE <50%).

Global Health Action

Expert writing Tips

Best practice

When using the phrase "a very poor efficiency", ensure that the context clearly defines what system or process is being evaluated and why its efficiency is considered poor. Quantifiable data can strengthen your argument.

Common error

Avoid using "a very poor efficiency" without specifying the context or providing comparative data. For example, instead of stating 'The system has a very poor efficiency', specify 'The system's efficiency is very poor compared to industry standards, achieving only 10% of the expected output'.

Linguistic Context

The phrase "a very poor efficiency" functions as an adjective phrase modifying the noun "efficiency". It expresses a judgment about the quality or degree of efficiency of something, indicating that it is substantially below an acceptable or expected level. As confirmed by Ludwig AI, the phrase is usable in written English.

Expression frequency: Common

Frequent in

Science

60%

News & Media

30%

Formal & Business

10%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "a very poor efficiency" is a grammatically correct and commonly used expression to denote a significantly substandard level of performance or output. Ludwig AI confirms its usability in written English. While versatile, it is most frequently found in scientific and news contexts. When employing this phrase, it is crucial to provide sufficient context and, where possible, quantifiable data to support the assessment. Consider alternatives like "extremely low efficiency" or "significantly reduced efficiency" to fine-tune the conveyed meaning.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

extremely low efficiency

Emphasizes the degree of inefficiency more strongly.

significantly reduced efficiency

Highlights the reduction in efficiency from a previous state.

substantially diminished efficiency

Similar to 'significantly reduced', but with a slightly more formal tone.

markedly impaired efficiency

Focuses on the negative impact on efficiency.

highly ineffective performance

Shifts focus to the performance aspect and its lack of effectiveness.

notably deficient efficiency

Emphasizes the deficiency in efficiency.

severely compromised efficiency

Highlights the severe negative impact on efficiency.

grossly inadequate efficiency

Stresses the insufficiency of the efficiency.

woefully insufficient efficiency

Implies a regrettable lack of sufficient efficiency.

pathetically low rate of efficiency

Uses stronger, more emotive language to describe the low efficiency.

FAQs

How can I use "a very poor efficiency" in a sentence?

You can use "a very poor efficiency" to describe the performance of a system, process, or method. For example: "The solar panel design resulted in "a very poor efficiency", making it impractical for widespread use."

What are some alternatives to saying "a very poor efficiency"?

Alternatives include phrases like "extremely low efficiency", "significantly reduced efficiency", or "highly ineffective performance", depending on the specific nuance you wish to convey.

What does it mean when something has "a very poor efficiency"?

It means that the system, process, or method is not performing well in terms of output relative to input. It suggests a significant loss of resources or energy in achieving the desired result.

Is it better to quantify "a very poor efficiency" with numbers?

Yes, whenever possible, quantify the efficiency with specific numbers or percentages. For instance, instead of saying "the engine has "a very poor efficiency"", you could say "the engine's efficiency is only 20%."