Hello everyone, who has archaeological or research materials on the wall shape of the Assyrian city of Dur-Sharrukin (2012 present)? If available, please provide the method of obtaining the above information. Thank you very much.
Hi guys: I have been doing CRISPR knock-in and knock-out and one seemingly impossible scenario keeps happening. In the CRISPR knock-in attempt I tried to add a tag on a gene of interest, so I...
07 January 2021 190 3 View
I have seen COVID19 test LoD ranging from 180 to 600000 NAAT Detectable Units/mL So a rapid antigen test with LoD of TCID50 1.13 x10^2 per mL and RT PCR TCID50 1x10^-2 per mL (600 NDU/mL) and a...
28 November 2020 1,238 3 View
Has anyone can tell me. Why the acrylic functional group -C=C ( 1680-1660 cm-1 )of FTIR was gone? This sample was use acrylic and urethane to synthesis. I couldn't see the -C=C signal on my...
17 September 2020 8,186 3 View
Why do we need all three salts in MOPS buffer? and PEG added to the reagent. NaCl crystalline 1.359 g/L KCl 0.708 g/L Ammonium chloride 0.0063 g/L KCL...
26 April 2020 6,080 4 View
I have attached the screen shot. In the table below It compares sequences between COVID-19, SARS-COV and Bat COV Mismatch numbers 11 and 9, meaning that COVID-19 compared to the other two...
30 March 2020 9,084 3 View
A competitive immunoassay technique is used. This involves the reaction of anti-HBc in the sample with hepatitis B core antigen (HBcAg) coated wells. Unbound material is removed by washing....
16 March 2020 9,894 3 View
The wells are polystyrene coated with streptavidin via a biotin BSA linking layer using the SAC well coating method. What is SAC coating method?
06 March 2020 3,016 3 View
Hi, We don't have radiator on our site, but we want to study human tumor cell line in xenograft mouse model. Does anyone know any mouse strain (besides nude mice) or alternative way to do it ?...
22 January 2020 4,821 1 View
WHO has established a reference preparation for hCG (currently the fourth International Standard, with an assigned content of 650 IU/ampoule) and a reference preparation for hCG-beta (currently...
30 December 2019 4,888 3 View
Suppose we have a linear programming model in the below: Model: Max = 3*x1+5*x2 x1
02 October 2019 8,061 3 View
Our team is designing a smart water C&C dashboard for a smart city initiative. As we look into the current smart water system landscape, we couldn't reconcile to a definitive solution that...
16 February 2021 1,094 3 View
I'm using a number of indicators in my research which are not available at a sub-national level. Is there a reliable method for disaggregating the country data into city ones? (preferably with a...
16 February 2021 6,861 3 View
I have started collaborating with a small city that is planning to attract international talents from the capital city. The city municipality still doesn't know what audiences can fit better with...
09 February 2021 2,081 3 View
I'm trying to find the effect of smart cities on sustainable development. I collected data for several indicators of smartness of a city for 15 cities over 12 years. seems like panel data (GMM...
12 January 2021 9,914 5 View
I do research on the relationships between universities and local governments by asking the research question (how) can universities contribute to the design (and implementation) of public...
29 December 2020 4,522 12 View
sector A sample is 313, and sector B sample is 200. If I take sector B population in the whole country then sample B's comes = 330 Q. Can I take sector A in 5 cities and sector B in the whole...
27 December 2020 6,930 2 View
I am doing video surveillance extraction in the street, but I don't know how to extract the pedestrian track in the video. Do I have to use software and algorithms? Thank you!
21 December 2020 4,577 1 View
I was referred her because i wanted to ask the author to view the dissertation The Housing that Model Cities Built: Context, Community and Capital in New York City, 1966-76, Schindler Killian...
16 December 2020 5,849 6 View
In historical cities , would iconic buildings add to the character of the cities or change it ? How would we maintain their character , and yet have expressive new buildings ?
03 December 2020 2,740 18 View
Air pollution has become a very big problem in Indian cities, especially Delhi. It requires immediate attention and we need to soon understand the trends, provide forecasts for future, issue...
19 November 2020 1,433 3 View