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Questions related to Mathematics
From the research on lossless convexification or the exact convex relaxation technique, it is evident that this technique heavily relies on specific optimal control problems. I would like to ask...
24 July 2023 6,872 0 View
Hello, When working with methanol, I noticed that I could never take the exact volume of methanol with micropipette. Is there any other tool or method that could solve this problem? Many thanks...
24 July 2023 9,948 11 View
Guys I have a compound which is 20-30 Kda and also nonpolar in nature. Any specific HPLC column anyone can suggest for purifying that compund????
23 July 2023 6,345 0 View
Hi, We want to change the amount of flow rate of solution in microfluidic systems to the weight fraction of each solution components. Unfortunately we don't find any equation for this subject. If...
23 July 2023 3,044 2 View
Rainwater harvesting in cistern..
22 July 2023 7,583 1 View
E = (mv^2)/2 is the kinetic energy equation. Here, sqrt(2) * c = 423970560 m/s, where c = 299792458 m/s is speed of the light in vacuum. E = (m*[sqrt(2) * c]^2)/2 = mc^2. ER=m*(423970560 m/s)^2,...
22 July 2023 3,477 6 View
Compounds isolated from plant are to be characterized using NMR, FTIR and MS.
20 July 2023 2,022 5 View
I have an emission rate data of PCDD/F, however it is very low (ex: 2,13E-10 g/s). If I put this value then AERMOD couldn't create a plot saying that the value is 0. What can I do?
19 July 2023 7,977 1 View
In most of the lagrangian co-ordinates formulations of fluid dynamics in 1D, a function h is used as a co-ordinate defined as: h_x=rho Integrating this up shows that h is the mass contained in...
19 July 2023 8,340 6 View
I have a question. I read a paper where the authors refer to the well-known dark soliton solution (Tanh(x)) as a probability density. How can it be, if it is not normalizable, meaning the...
19 July 2023 1,549 2 View
Does anybody know the caprock of an aquifer for CO2 disposal that is mainly made of calcite and siderite?
18 July 2023 4,994 1 View
What are predator prey interactions in ecology and relationship between predatory and parasitic relationships as it relates to predator prey and parasite host interactions?
18 July 2023 3,527 0 View
The research question aims to investigate the influence of environmental enrichment on the foraging behaviour of animals in their natural habitats. Environmental enrichment refers to introducing...
18 July 2023 5,322 1 View
I need to know the detailed steps ideas and problems that Newton was working on and from which he developed his method of fluxions (Methods of Calculus).
14 July 2023 7,497 3 View
Hello, I would like to report the relative expression of genes, measured by qPCR, using relative quantification. The answer would be along the line "Cell X expresses gene Y Z-fold more than the...
14 July 2023 4,582 0 View
what is the protocol to conduct a pathogenicity test for soil-borne pathogens like sclerotium rolfsii
14 July 2023 3,352 0 View
I have 6 LC-MS/MS data (5 for the standard solution and 1 for the test solution). I want to calculate the LOQ for LC-MS/MS technique for my analyte.
12 July 2023 6,835 2 View
While performing the comparative analysis of different piezoelectric materials to study their applications in the biomedical sector, I came across the following graph. The hysteresis loop in the...
12 July 2023 8,162 2 View
I performed nonlinear curve fitting on my data using Origin pro. I think there is no problem with the fitting in the shape of the graph itself, but two values confuse me. Chi-square and...
11 July 2023 4,437 4 View
description is in the file attached.
11 July 2023 2,219 5 View
For designing a component for vibration, the mass and materials are fixed for the problem. The component will experience a vibration in the 100-2500 Hz range. Now as the material and geometry are...
10 July 2023 8,210 2 View
For my college thesis, I've wanted to measure reflectance in a coastal dune, and I wanted to analyze that reflectance in natural light conditions, so is it possible for me to do it without the...
10 July 2023 2,738 3 View
I am trying to learn modern physics and frequently encounter the phrase "gauge theory". I look up the definition and find that it is a theory in which a Lagrangian is invariant under a certain...
09 July 2023 7,613 5 View
If it does, give me the name of the topic with its Software.
09 July 2023 5,729 5 View