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Company · Laramie · United States

Z4 Energy Systems (United States)

z4energy.comROR OpenAlex
Research works
12
fractional, all time
Citations
200
16.6 per fractional work
Top-10% rate
10.0%
all institutions 10.0%
Open access
4%
world 40%
International
3%
world 18%
Z4 Energy Systems (United States)

Not ranked overall: Z4 Energy Systems (United States) is under the volume floor below which a citation excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does Z4 Energy Systems (United States) work in?

In all years, 99% of research at Z4 Energy Systems (United States) is in Physical Sciences, 1% in Life Sciences. Its largest fields are Engineering (33%), Chemistry (30%), Environmental Science (15%). It does 1.9× the world's share of Physical Sciences.

Physical Sciences: 12 fractional works · 99.4% of its workEngineering: 4 fractional works · 33.3% of its workMechanics of Materials: 2 fractional works · 20.8% of its workBuilding and Construction: 0 fractional works · 4.2% of its workOcean Engineering: 0 fractional works · 3.2% of its workCivil and Structural Engineering: 0 fractional works · 2.3% of its workComputational Mechanics: 0 fractional works · 1.8% of its workMechanical Engineering: 0 fractional works · 0.9% of its workChemistry: 4 fractional works · 30.3% of its workSpectroscopy: 1 fractional works · 12.1% of its workAnalytical Chemistry: 1 fractional works · 12.0% of its workInorganic Chemistry: 0 fractional works · 4.2% of its workPhysical and Theoretical Chemistry: 0 fractional works · 2.1% of its workEnvironmental Science: 2 fractional works · 15.5% of its workGlobal and Planetary Change: 1 fractional works · 5.6% of its workEnvironmental Engineering: 0 fractional works · 2.7% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 2.7% of its workEnvironmental Chemistry: 0 fractional works · 2.1% of its workPollution: 0 fractional works · 1.4% of its workWater Science and Technology: 0 fractional works · 0.9% of its workEarth and Planetary Sciences: 1 fractional works · 6.9% of its workGeochemistry and Petrology: 0 fractional works · 2.7% of its workAtmospheric Science: 0 fractional works · 1.4% of its workEarth-Surface Processes: 0 fractional works · 1.4% of its workPaleontology: 0 fractional works · 1.4% of its workMaterials Science: 1 fractional works · 6.5% of its workMaterials Chemistry: 1 fractional works · 6.5% of its workEnergy: 0 fractional works · 4.2% of its workEnergy Engineering and Power Technology: 0 fractional works · 1.4% of its workFuel Technology: 0 fractional works · 1.4% of its workRenewable Energy, Sustainability and the Environment: 0 fractional works · 1.4% of its workPhysics and Astronomy: 0 fractional works · 2.8% of its workNuclear and High Energy Physics: 0 fractional works · 2.8% of its workLife Sciences: 0 fractional works · 0.6% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 0.6% of its workBiophysics: 0 fractional works · 0.6% of its workALL ITS WORKZ4 Energy Systems(United States)12fractional works, all years
Life Sciences1%Physical Sciences99%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 2 domains and 8 fields, with their numbers
    1. Engineering433.3%
    2. Chemistry430.3%
    3. Environmental Science215.5%
    4. Earth and Planetary Sciences16.9%
    5. Materials Science16.5%
    6. Energy04.2%
    7. Physics and Astronomy02.8%
    1. Biochemistry, Genetics and Molecular Biology00.6%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Who are the top researchers at Z4 Energy Systems (United States)?

Ranked on the quality score, R.M. Boyd, A.D. Youngberg and D.D. Fischer lead among researchers whose main affiliation is Z4 Energy Systems (United States).

  1. 1 R.M. Boyd United States · #3,469,185 worldwide 20 citations · 15 works
  2. 2 A.D. Youngberg United States · #3,895,655 worldwide 67 citations · 20 works
  3. 3 D.D. Fischer United States · #4,587,529 worldwide 59 citations · 25 works
All ranked researchers at Z4 Energy Systems (United States)

What are the most cited papers from Z4 Energy Systems (United States)?

The most cited paper from Z4 Energy Systems (United States) is "Cross-polarization magic-angle spinning 13C NMR spectra of coals of varying rank" (Francis P. Miknis, Mark J. Sullivan, Victor J. Bartuska et al., 1981), with 117 citations. Next come "Effects of strain rate on oil shale fracturing" (77) and "Cross polarization magic-angle spinning 13C NMR spectra of oil shales" (69).

Most cited papers
#PaperReleasedCitations
1 Cross-polarization magic-angle spinning 13C NMR spectra of coals of varying rank Francis P. Miknis, Mark J. Sullivan, Victor J. Bartuska et al. · Organic Geochemistry 1981 117
2 Effects of strain rate on oil shale fracturing K.P. Chong, Philip M. Hoyt, Jessica Smith et al. · International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts Feb 1980 77
3 Cross polarization magic-angle spinning 13C NMR spectra of oil shales Francis P. Miknis, Gary E. Maciel, Victor J. Bartuska · Organic Geochemistry Jul 1979 69
4 Floodbasin Sequence of a Fine-Grained Meander Belt Subsystem Frank G. Ethridge, Timothy J. Jackson, A.D. Youngberg · SEPM (Society for Sedimentary Geology) eBooks Book chapter 1981 54
5 Polar constituents isolated from Green River oil shale D. E. Anders, F. G. Doolittle, William E. Robinson · Geochimica et Cosmochimica Acta Oct 1975 38
All 27 most cited papers, with filters and sorting

Which research topics does Z4 Energy Systems (United States) publish most on?

By volume in 2022-now: Hybrid Renewable Energy Systems, Underground infrastructure and sustainability and CO2 Sequestration and Geologic Interactions.

Hybrid Renewable Energy …0Hybrid Renewable Energy Systems: 0 fractional worksUnderground infrastructu…0Underground infrastructure and sustainability: 0 fractional worksCO2 Sequestration and Ge…0CO2 Sequestration and Geologic Interactions: 0 fractional works
Energy Engineering and Power TechnologyBuilding and ConstructionEnvironmental Engineering

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Hybrid Renewable Energy Systems Energy Engineering and Power Technology 0 works
  2. 2 Underground infrastructure and sustainability Building and Construction 0 works
  3. 3 CO2 Sequestration and Geologic Interactions Environmental Engineering 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available4.2%not open95.8%

World: 40% of research is openly available.

with international co-authors2.8%domestic only97.2%

World: 18% is written across borders.

How has Z4 Energy Systems (United States)'s research output changed?

1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Z4 Energy Systems (United States) as a percentage of every work published that year, 0.00020% in 1996.

0.00020%0.00040%0.00060%Z4 Energy Systems (United States)0.0000090% in 202419801990200020102020

Fractional works of Z4 Energy Systems (United States) over all fractional works that year. How the balance of science has shifted.

Other research institutions in Laramie

All research institutions in Laramie

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

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