Service Lift Inspection and Maintenance

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How to avoid the negative conductance affect on conductance and voltage measurement (G-V) at higher frequency?

We are measuring GV response of MOSCAP by B1500 Semiconductor Device Analyzer. We notice that at high frequency we see negative conductance behavior. Can anyone help how to solve this problem or...

18 April 2024 2,298 3 View

Can I use standard cleaning procedure such RCA1,RCA 2 and Piranha for GaAs substrates ?

Can I use standard cleaning procedures such as RCA1,RCA 2 and Piranha for GaAs substrates ? or these recipes can create any surface morphology by etching the wafers?

20 March 2024 1,527 0 View

Can anyone help me , how to etch ( wet or Dry) InGaP ?

We want to etch (dry or wet etching) of InGaP . Can anyone suggest me the recipe for this ?

25 November 2023 2,294 0 View

How can we caluculate the Alighnment accuracy in Photolithography?

In photolithography normally we see 1um or 2 um accuracy , how can we calculate this?

19 November 2023 935 2 View

Can anyone help me how to deposit or keep metal layer on electrospinned nano fibers mat?

We are electro spinning nanofibers on ITO coated PET sheet. When we want to keep (deposition by evaporation or sputter)top metal on nanofibers it is shorting with bottom metal(ITO metal). Is there...

15 August 2023 2,528 2 View

Is there any Tantalum alloy which can not oxidized at room temperature?

Normally tantalum has high affinity to react with oxygen and forms Ta2o5 . but we want to sputtered oxide free tantalum. is there any way to deposit oxide free tantalum or is there any Ta alloy...

03 July 2023 4,004 3 View

How Humidity of the yellow room (clean room) will affect the patterning in the photo lithography process?

is there any affect of cleanroom conditions specifically humidity on the photolithography process, such as feature size, developing time ,resolution ..etc?

14 October 2022 5,087 7 View

Can anyone help me how to calculate equivalent resistance of interdigitated Electrode (IDE) system?

I am using interdigitated Electrode system in sensing. If I increase the number of fingers in IDE system ,what will happen to equivalent Resistance?

11 July 2022 6,189 0 View

Which technique is best suits for evaporating Aluminium ,Thermal or E-bean?

we have Vacuum system technologies(VST) evaporator in our clean room for metal evaporation. we are facing the problem with deposition of Aluminium with e-beam as well as thermal. most of the time...

17 June 2022 7,372 2 View

Can I know how to measure the dielectric constant of novel polymer solution?

I have a novel polymer solution, which I can spin coat on different substrates. I want to know how to calculate the dielectric constant of this novel polymer material.? If I spin coat can I use...

01 April 2022 1,002 5 View

How to culture and maintain Lx-2 cells?

Hi there! I recently started working on Lx-2 cells. When I thaw the cells, they start attaching within few hours but later in about 2 days they started rounding and dying. I used DMEM+2% FBS...

31 July 2024 3,893 0 View

Best Practices for Constructing and Maintaining Gravel Roads in Rural Areas?

Hello, I'm involved in a project focused on constructing and maintaining gravel roads in rural areas. We're particularly interested in ensuring durability and reducing maintenance costs over time....

29 July 2024 9,623 0 View

What are the research gaps for telematic technologies for road pavements optimization?

what can be the undiscovered benefits of applying telematic technologies for road pavement maintenance, incident reduction and environmental protection?

29 June 2024 7,507 1 View

Is there a unified register of aircraft maintenance organisations?

I am currently working on a study on aircraft maintenance. I am interested in organisations that perform maintenance. Are there any special registers that contain information on such...

26 June 2024 7,734 0 View

What are the articles of detection and maintenance of road infrastructure using advanced technologies?

21 May 2024 9,802 1 View

It would be possible to use horse serum in conventional cell culture applications instead fetal bovine serum?

We have used horse serum before in specific cell culture protocols like myocytes differentiation but never in cell culture maintenance

14 May 2024 4,341 3 View

What is the role of microorganisms in enriching the soil and role of organisms in soil development and maintenance?

07 May 2024 4,821 3 View

Give example to Master plan on maintenance project?

a master plan for glass factory

18 April 2024 2,111 0 View

How can I correct an error in ResearchGate?

They say we were cited by an article but we weren't. "Karen, we found a recent article that cited you:Relationship of serum total cholesterol and triglyceride with risk of mortality in...

15 April 2024 3,993 0 View

Where can i get dataset for predictive maintenance for electrical equipment ?

Predictive Maintenance for Electrical Equipment § Dataset: • Generate a dataset with sensor readings (e.g., vibration, temperature) from electrical equipment over time, labelled with maintenance...

14 April 2024 1,507 2 View

Perviz Mustafa oglu Veliyev

Congratulates.

Sundus F Hantoosh

Dear Doctor

[Annual lift maintenance tasks

Comprehensive inspection of all mechanical and electrical components — Conduct a thorough inspection of the lift’s mechanical and electrical systems, including motor, cables, brakes, control panels, and wiring. Identify any signs of wear, damage, or potential issues that require attention.

Testing and certification of safety systems — Perform a comprehensive safety inspection, including load testing, emergency stop functionality, and other critical safety checks. Obtain the necessary certifications and documentation.

Verifying compliance with relevant regulations and standards — Ensure that the lift system complies with all applicable codes, regulations, and industry standards. Make any necessary upgrades or modifications to meet the requirements.]

Ulker Asker Asadova

Да. Вполне обоснованно.