31 December 2017 2 8K Report

I wanna simulate sulfur recovery unit by aspen plus that there are s2 , s6 ,... in added components

when I run property section and check part of retrieve parameter , no parameter of s2 and s6  is generated and also when I define them myself by defining structure and some parameter like Tc , Pc , Vc, functional group errors appear in control panel.

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Could a Surge in Cancer Cases Occur in the Wake of the COVID-19 Pandemic?

In a recent review article titled “N1-methyl-pseudouridine (m1Ψ): Beneficial or Harmful for Cancer?” published in the International Journal of Biological Macromolecules, Rubio-Casillas, and...

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Second-order CFA to prevent discriminant validity?

Hello, I intend to develop a social scale that can be used in conjunction with other dimensions of a modular framework. Reading the literature, I found three potential social dimensions. I...

04 June 2022 3,452 3 View

Separate or Combined CFA?

Hello, Using EFA I developed a social scale with 4 factors each having 4 items. In a new round of data collection I collected three separate samples (150 each) to test if my new scale can show...

02 June 2022 2,782 4 View

Same or different sample for discriminant validity?

Hello, Using factor analysis, I recently created a social questionnaire with four factors, each containing four items. My next step is validating the questionnaire. I want to show that this...

26 April 2022 5,280 5 View

Independence of dimensions (variables)?

Hello, I replicated a study in which participants are asked to rate the importance of some user experience dimensions (like efficiency, usefulness, perspicuity, etc.) for a product (0-7...

26 September 2021 9,587 5 View

What's the best model for the relationship between LET and RBE when there's no DNA?

The current widely accepted relationship between LET and RBE is based on the DNA structure. However, when we want to inactivate an RNA virus such as SARS-CoV-2 with different particles (and...

06 May 2021 588 5 View

T-test and Mann-Whitney U test on groups with different sample sizes and variances?

Hello I have 2 groups with different sample sizes of (experts: 5 to 8) and (Users: 28 to 35) answering 21 questions on a 7 points Likert scale about the importance of some dimensions for...

31 January 2021 4,312 7 View

Can I prepare my standard cholesterol solution for HDL-c measurement by simply diluting the standard solution of a total cholesterol measurement kit?

In measuring the plasma HDL-c levels by a phosphotungstate-magnesium method, and the following enzymatic measurement of cholesterol in the supernatant, if I run out of the kit's standard...

30 April 2020 333 0 View

How can I view keyword trends in my field of research?

I want to study what is hot in my field. Is it logical to check the trend of paper keywords? If yes, how can I do it for example in Scopus or Web of Science?

07 March 2019 1,442 1 View

How to do a repeated measure anova in spss with two unmatched groups?

We conducted an intervention study with three measurements of fear in three time points. Results showed that two groups were not matched for two demographic variables (education level &...

13 January 2019 8,230 3 View

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