What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

What are the natural background values of Major,Trace and REE elements in sediments deposited by Indian rivers?

We are working on geochemical analysis of sediments derived from eastern and western ghats of India.

20 January 2021 8,963 6 View

Is it desktop SLA 3d printer works with different resins or blended resins or nano reinforced resins?

I want to start my research work on nano reinforced polymer composites, for that i am choosing desktop SLA additive manufacturing process for preparing the component. My doubt is that, is it...

28 November 2020 978 4 View

Is there any software for calculating hit bias (HB), missed precipitation (MP), and false precipitation (FP)?

I have a time series of two rainfall products. For error decomposition analysis, I have to calculate HB, MB and FB. Is there any software for calculating these variables.

27 November 2020 980 2 View

How we can measure the Salt level/concentration in the field? or how we can measure the pH of soil in field?

I am visiting different high salt effective areas to collect plant leaves and soil samples. Before sample collect i must want to know the pH on soil. Is their any rapid fast and reliable method to...

25 October 2020 3,732 2 View

I am electroplating Ni on a stainless steel. At temperature and time should I anneal so that Ni thermally diffuses into stainless steel?

I am electroplating Ni on a stainless steel for abrasive application. At temperature and time can I anneal so that Ni thermally diffuses into stainless steel? My intention is to improve the...

20 October 2020 7,092 3 View

What are the hot topics in today's situation where an engineer should focus for betterment of society, e.g. Rural development, Solar farming, etc.?

We engineers sometime busy in doing research in countless unpractical, non urgent, not beneficial to society like areas for increasing count of our research articles. But we know an engineer is a...

17 July 2020 1,950 16 View

Do Acetonitrile type (gradient grade or non gradient grade) affects the HPLC results?

Trying to develop the HILIC-RID method for sugar analyte but getting very different results between two-run of the same sample. Tried 60 minute washing between two-run. The mobile phase is 75:25...

11 June 2020 8,385 3 View

Why is COD removal more in biological anaerobic treatment?

Answer related to metabolism of bacteria would be appreciated.

23 May 2020 4,050 2 View

Relative telomere length calculation with Ct values?

10 May 2020 7,398 2 View

How can I obtain Reaction Forces in ABAQUS?

I am trying to simulate a simplified version of a beam resting on 10 points using Abaqus. The solutions I want to obtain are the Reaction Forces in each resting point or area when applying a...

21 February 2021 3,075 2 View

What cause the beating of this signal?

I am trying to simulate the impact of a sinusoidal force on a Beam, yet I registred this beating signal (Displacement by time). The freaquency of excitation was the same as the first natural...

19 February 2021 5,872 3 View

Did any urologists have experienced with retroperitonel leiomyosarcoma from renal vein with IVC enxtension?

Recently, we got one lady with right side retroperitoneal mass involving renal vein and extends into IVC upto diaphragm. CT suggested leiomyosarcoma. Right kidney separately seen from mass and it...

19 February 2021 6,873 1 View

Analysis on piezoelectric material in ansys workbench?

Hi, I need to do analysis on cantilever beam of piezoelectric material. Apply force or excitation on free end and want to find out voltage. I want to do it in ansys work bench. Please let me...

21 January 2021 2,134 3 View

[Covid-19] GGO Evaluation - CT imaging of the lungs ?

13 January 2021 3,115 4 View

How to choose a PMMA with the correct thickness IN E BEAM LITHO?

I try to pattern the gold layer around 2 nm-20nm on silicon, I used around 2000nm thickness (PMMA 950K A13), I tried to pattern five samples in total, but only one showed the pattern I wanted. I...

13 January 2021 7,710 1 View

Why does bending stress(Sx) in ANSYS APDL direct below of point load FE 2D modelling simply supported point load higher than exact solution in value?

Why does normal bending stress/flexural stress value (Sx) just direct below a concentrated load of simply supported beam which is compression stress higher than the hand calculation Exact solution...

03 January 2021 8,462 3 View

Where can I find a dataset for kidney stones images (CT or ultrasound)?

I want to apply neural network on kidney stones images (whether its CT images or ultrasound) to determine whether the kidney has stones or not.

02 January 2021 9,938 3 View

How to Strip off HSQ( Fox 16) after etching?

We are finding a hard time to strip of residual HSQ ( Fox 16) after using it as a mask in etching? We are coating 600 nm thick HSQ and writing with 3000 microC/cm^2 dose at 1 nA current. We are...

08 December 2020 5,452 2 View

How can I get the axial stress for an inclined beam188 element on ANSYS APDL?

I modeled a bridge on ANSYS APDL and added cross bracings / diaphragms as shown below. The diaphragms are not straight along the x or y or z direction, they are inclides BEAM188 elements. how can...

14 November 2020 8,172 3 View