Is this expression correct for the linear Drucker-Prager criterion under the assumptions stated in the attachment?
I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.
03 March 2021 5,266 4 View
I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...
03 March 2021 4,116 4 View
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
Preference in terms of the scientific aspect
28 February 2021 796 2 View
I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...
27 February 2021 1,233 1 View
I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...
26 February 2021 8,183 3 View
While performing the Linear regression analysis in SPSS version 26.0.0. my intermediate/mediation variable goes to the excluded section. Please share your valuable suggestion "How to restrain the...
25 February 2021 4,591 5 View
i have frequencies of bridge that are effected by mass of vehicle. the problem is when any vehicle pass the bridge it would add the its mass to the bridge mass ultimately mass of the bridge will...
22 February 2021 10,004 3 View
18 February 2021 6,665 6 View
Hello, I have a question. there is a circular thin foil which vibrates in vacuum, the foil restricted and moves up and down. it is like a diaphragm between two pipes . both sides are in vacuum but...
18 February 2021 8,075 3 View
I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...
27 February 2021 5,681 3 View
I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...
22 February 2021 1,400 4 View
Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...
22 February 2021 7,127 4 View
I am currently trying to copy an assembly feature, that is present in an old version of the model I am using, onto a new model. The feature is a reference point that is fixed to an attachment...
16 February 2021 8,872 2 View
Hi all, I'm running a 2 x 2 between-subjects ANOVA with the setup in the attached image (kindly refer to JPG attachment). I understand that calculating simple effects involves determining...
09 February 2021 547 3 View
Whether L version and D version peptides should have identical NMR, especially in the state of self-assembly have to have identical NMR? How to use HRMS to confirm L version or D version...
01 February 2021 6,756 4 View
Hi, I'm trying to analyze a Kratky plot generated from my SAXS data. I am seeing multiple bell-shaped curves in my Kratky plot and I am not able to find any source to get relevant info on this...
20 January 2021 2,474 1 View
I have gathered field data about birds at hanging feeders. One question I am trying to answer is is the proportion of time spent being vigilant at the feeders the same in all species. I have run...
07 January 2021 8,445 4 View
Hey guys, I always have problems with the attachment of HEK293t cells to glass coverslips while doing IFA. They are so easy to detach from the coverslips while washing. The coverslips are already...
30 December 2020 8,381 3 View
Hello, dear colleagues! I would ask you for a little help. Actually, I'm doing a multivariate linear regression analysis in the SPSS and one of the independent variables has negative values. In...
20 December 2020 535 2 View