We are hoping to get an osmometer for the lab in Czech Republic but the only ones I can find so far are expensive high-tech machines. Does anyone know where I could get an osmometer for less than 3000 euros (including tax)?
02 March 2021 5,204 3 View
Dear colleagues, Does anyone know how to conduct a one-sided testing of regression weights (MLM) in R? The actual model is fm1rs
23 January 2021 3,970 3 View
Hi everyone, I would like to know whether both cultural groups interpreted my questionnaire in a similar way. To do so, I conducted a measurement invariance analysis on the whole model of latent...
14 January 2021 1,845 3 View
An analogue voltage sine wave signal is send from a PLC to a Piezo actuator. This actuator converts the voltage to force. A load cell checks what the applied force is and sends a mA-signal...
27 December 2020 7,037 3 View
Hi everyone, I have conducted a SEM analysis in AMOS then replicated it in RStudio. While I obtained identical estimates and model fit statistics, the p-values differ between software programs...
25 December 2020 3,669 4 View
I want to model a T bone specimen that is subjected to a sine load. The specimen is clamped in as showed on the figure. I was wondering what I should chose as boundary conditions and how I can...
08 November 2020 9,766 4 View
Hi there, I am looking for questionnaires measuring mental health literacy in teachers and educators. does anyone know any studies in this area?
16 September 2020 1,682 4 View
Is there any possibility to get the estimated values (listed for every participant) of a specific latent variable in R or Mplus?
17 June 2020 3,819 3 View
Hey there, I am looking for literature or tutorial videos, which are concerned with the question of how multilevel markov chain monte carlo models are conducted in R or Mplus. Can someone help...
20 April 2020 7,801 1 View
Dear colleagues, Does anyone know, how to build a ROC-Curve and a AUC-Value concerning multilevel logistic regression models using R or Mplus. I would be very grateful for any articles,...
26 February 2020 8,930 3 View
Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....
03 March 2021 506 3 View
Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...
02 March 2021 2,431 3 View
Which tools can be used to generate machine codes for additive manufacturing?
02 March 2021 7,220 2 View
I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.
02 March 2021 1,516 4 View
Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?
01 March 2021 5,311 1 View
I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...
27 February 2021 8,483 3 View
25 February 2021 1,987 3 View
I have been using Lipofectamine 2000 but was hoping there may be a better protocol or one for something like Lipofectamine PLUS reagent.
24 February 2021 1,633 4 View
I need to make an injection molding machine in which short fibers are to be introduced. Short fiber length and material properties are to be determined and also the material strength are to be...
22 February 2021 4,290 1 View
Hello Everyone, Hope you all are doing well. I'm trying to simulate a machine foundation in ABAQUS with a geo-cell reinforced soil bed. Im totally confused to which type of loading would be...
21 February 2021 4,388 3 View