For what purposes is it advisable to use small solar linear-focus collectors (PTC, Fresnel reflectors)?

For example, the length of the collector is up to 10 m, the diameter is 1.5-2 m. It seems that flat collectors are usually used for individual solar heating and / or hot water supply.

13 January 2021 8,928 3 View

Why "solar" countries not paying due attention to the questions of solar energy using ?

In particular, electricity generation. Maybe in developing countries.

06 December 2020 3,899 12 View

Why Lactobacillus acidophillus is sensitive to Vancomycin but L. rhamnosus and casei are intrinsically resistant?

Does it have, anything to do with their fermentation status? I know that in several species of LAB, the terminal d-alanine residue is replaced by d-lactate or d-serine in the muramylpentapeptide,...

19 September 2020 3,242 2 View

What is the optimal opening (rim) angle of a solar parabolic (dish) concentrator ?

23 July 2020 3,403 3 View

What are the standard books of postgraduate or master degree or doctor for Physiotherapy students , please write title and outher name?

Iam from kurdistan , physiotherapist study at hmu , I want to list of books that good for master physiotherapy . Thanks.

13 July 2020 9,600 7 View

Modal Analysis Results - Ansys Workbench?

Hello, i had modeled a steel beam of dimensions as Length = 4000 mm, Cross section = 250 x 150 mm, E=2E+11 N/m^2, Density = 7850 kg/m^3. Boundary conditions: Left support is applied using Remote...

11 January 2020 9,945 4 View

Parallel Computing of MCNP?

Hi dear I want to use MICH2 for parallel computing of MCNP. I Try it nut MPIEXEC run multi-time instead of running parallel? Can anyone help me? my command is here: mpiexec -n 2 -noprompt...

03 October 2019 3,106 2 View

How can I model 2D wave propagation ?

I want to model 2D wave propagation in a different medium and its reflex from the boundary with different shapes like rectangular or circle. Is any software or Matlab script that can do...

22 June 2019 7,627 5 View

If we gene clean a pcr product having three different sequences in the middle of fragment but rest of sequence is same and they have same size

can any one tell that is it possible to differentiate between the three sequences (having same size) and obtain their individual sequence in the same sequencing reaction and if yes then what is...

06 June 2017 9,826 5 View

I have to perform a PCR by a reverse primer which have a mismatch, five nucleotide before the 3' end. How could it affect my PCR?

will it effect the efficiency of the primers or its specificty???

17 April 2017 9,315 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

How to find the mean, SD and CI in SPSS?

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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

The procedure compute?

02 March 2021 5,204 3 View

Does anyone know what a '.' means in SPSS?

Hi everyone! I was wondering if anyone would be so kind as to help me with regards to my data set on SPSS! I was checking for multivariate outliers via the standardised residuals ('Linear...

02 March 2021 7,910 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

How to get started building and analyzing a UTAUT model?

Hello all, I need help getting started building and analyzing a UTATU model. I have a survey ready with some questions but I had some confusions on UATAUT and on how to analyze the data. I will...

02 March 2021 9,271 1 View