Is the EPA cert data for specific diesel engines available?

More Mike Buck's questions See All

What statistical test to use in SPSS to investigate relationship between continuous variable and national mean for another variable?

I am exploring the readability of court decisions in 5 countries. I have a quantitative readability measure (continuous variable, my dependent variable) for each decision - about 50 decisions per...

08 February 2021 419 3 View

How are the degrees of freedom calculated for a bootstrapped Independent Samples t-test?

I am currently writing up findings for my masters dissertation and I have noticed that APA often require the t statistic, the p-value, degrees of freedom and sometimes the confidence intervals...

08 August 2020 5,367 3 View

What am I doing wrong in molar solution calulation?

I recently read: "The perovskite solution for the solvent quenching method (MAPI) recipe was prepared by dissolving 553.2 mg PbI2 and and 181.23 mg MAI in 1 ml anhydrous DMF/DMSO (4:1, v:v) to...

17 May 2020 9,876 7 View

What are the molecular determinants for formation of adducts in electrospray mass spectrometry?

Dear all, depending on the molecular structure of an analyte different adducts during the electrospray process are formed. Even when high (up to 5 mM) of ammonium salts are present in the LC...

13 May 2020 6,621 3 View

Is that possible to sequence a target directly from extracted genomic DNA (~ 300 Mb) without the previous PCR amplification step?

I have problems to amplify by PCR (using two primers) an specif target from extracted genomic DNA to produce purified amplicons to submit it to the sequencing PCR. But I know one of the primers...

09 December 2019 2,007 2 View

How to make a simple perovskite diode without HTL and ETL?

I am facing trouble in making a simple perovskite diode in order to study the deep level traps of the perovskite semiconductor layer. Since the properties of perovskite layer are needed to be...

20 January 2019 2,593 4 View

Are there any Cryopreservants/Cryoprotectants with no DMSO?

Hello there, I'd like to ask whether there are any cryoprotectants/cryopreservants medium with no DMSO in them. Specifically to use it for freezing tissue such as collagen scaffold. I have found...

12 November 2018 8,949 3 View

Does anyone titrate their secondary antibodies for intracellular flow?

Hey everyone, I'm working on creating a flow QC panel. I have a few sets of 3 intracellular and 3 surface markers that I know have worked well in the past for ICC and flow applications. My...

27 September 2018 6,166 1 View

My extracted RNA from cells has good A260/A280 purity but poor A260/230 purity. What can I do?

Hello All My Microbio Experts, I'm a total noobie in this field so go easy... I've extracted RNA from cells and the A280/A260 values look good (~2.0 for most samples) which means the RNA is...

31 July 2018 6,802 1 View

What's the best type of optical microscope for inorganic materials analysis (thin films, electrodes, etc.)?

I'm not familiar with microscope types, features etc. and our R&D group wants to purchase a new microscope to characterize our sensors, materials, etc. Can anyone recommend a good type or brand?...

29 July 2018 2,731 6 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Maddali V S Murali Krishna

The flollowing literature may be useful for your research

Certification data on this page

Marine Remanufacture Kits

Large Engines

Non-road Large Compression Ignition (NRCI) (2012 - )

On-Highway Heavy Duty - Diesel and Gasoline (2012 - )

Early Large Engine (NRCI and On-Highway Heavy Duty - Diesel and Gasoline. 2011 and Earlier)

Non-road Small Spark Ignition (SI)

Marine SI

Marine CI

Snowmobile

Locomotive

Large Spark Ignition

Non-road Evaporative Components

Ref: www.epa.gov › ... › Heavy Trucks, Buses, and Engines

Mike Buck

Thank you. I found what I needed.

Nicolas Jeuland

A very comprehensive database of vehicle certification data for Europe is also available on the VCA website : http://carfueldata.direct.gov.uk/search-new-or-used-cars.aspx