Temas sobre migrações em países de trânsito?

11 November 2024 0 7K Report

Estou a fazer um relatório técnico-cientifico e gostaria de escolher um tema com assunto migrações ilegais para países de transito na África ocidental

Badges
Science topic

Similar topics
Statistics
Time Series

More Jorgeana Graça Mendes's questions See All

Can anyone help me finding possible equipment for measuring greenhouse gases emmission from peatlands?

I need to know the possibilities of equipment for evaluating greenhouse gas emissions in peatlands of different states of conservation. Can anyone help me? Or alternatively, recognized...

06 February 2024 5,472 3 View

Can the apparent activation energy be determined from the reaction rate instead of the rate constant?

According with the Arrhenius equation the activation energy can be estimated determining the rate constant. Why often we see Arrhenius plots with the ln (reaction rate) as a funtion ln(1/T)?

09 November 2023 5,928 4 View

How to measure the antioxidant activity of zinc oxide nanoparticles (ZnO NP)?

Good morning, I am trying to study the antioxidant activity of ZnO NPs. I have already performed some methods, such as DPPH and ABTS assay, but without success. When I search in the literature...

08 August 2023 3,876 1 View

Best recommendations when culturing BEAS-2B cells (human bronchial epithelial cells)?

As a 1st time user of BEAS-2B cells (human bronchial epithelial cells), which I'm starting to culture, I've noticed that they've been growing really slowly .... They were acquired by ATCC no...

06 December 2022 4,259 0 View

How to crush ZnO/chitosan nanoparticles? After drying, the sample became so hard that I cannot break it, why?

Good morning, I am trying to make the synthesis of ZnO NP with chitosan, but in the end of the process, the sample become like a stone/rock, I cannot destroy to powder, even with a pestle and...

17 November 2022 1,793 3 View

Why is my e coli colony growing in a weird format?

I did a transformation with a Golden Gate ESP3I reaction in DBH5 e coli. However, I got just one colony and it is very different from what I am used to. Instead of a circled format colony, I get a...

15 September 2022 6,570 2 View

How to choose the parametric or non parametric test after the normality test?

I have a sample and in my study were going to compare 2 or 3 samples. If I am going to compare 2 groups, I need to know if one of the sample has a normal distribution and another doesn't, can I...

19 May 2022 2,304 7 View

Which is a good alternative for ethidium bromide solution in genotyping?

I have used ethidium bromide solution for genotyping different mouse strains successfully, but the laboratory that I am working on currently does not allow it. Currently, I have been using a...

15 September 2021 6,860 3 View

Does anyone perform RNA-seq from samples with low levels of RNA (5-10 pg/ul)?

I am wondering if these low levels of total RNA the samples are enough for RNA-seq. Does anyone already did it or has any suggestions to get a reliable data for bioinformatic analysis?

18 August 2021 3,891 7 View

How to define my sample size?

Goodnight! I have questions regarding the definition of sample size. The aim of the study is to evaluate if the mother's diet will contribute to the offspring's obesity rates. The experiment in...

27 June 2021 3,485 4 View

How the KwaZulu natal riot affected south Africa?

How the damages of building and shopping centers affected the south African economy?

24 July 2024 5,401 2 View

Coulkd you help finding a paper about Bryophytes ?

Some monthes ago on RG I found a nice paper by a bryologist explaining that in a single small tuff of epiphytic mosses different species might co-occur. I remember a plate illustrating type...

01 July 2024 5,102 0 View

What is the position of the International Court of Justice on the request of the Republic of South Africa regarding the crimes in Gaza?

24 June 2024 6,148 4 View

Is really exist postoperative infections after treatment of upper limb fractures in precarious environment?

Has anyone in Sub-Saharan Africa or South Asia ever encountered an unusual increase in the rate of surgical site infection following internal fixation of closed upper limb fractures?

24 June 2024 2,849 1 View

Any assistance with my dissertation research?

I am a Ph.D. student from the University of the Virgin Islands and am originally from Cameroon. I am searching for assistance with my dissertation research. My dissertation topic is "Exploring the...

10 June 2024 3,791 2 View

Re-imagining Africa as a Knowledge Economy: Premises and Promises of Recent Higher Education Development Initiatives?

Re-imagining Africa as a Knowledge Economy: Premises and Promises of Recent Higher Education Development Initiatives

17 May 2024 6,627 2 View

Will researchgate accept an article that is unedited and unpublished in a Journal?

Article title: Organisational performance management in municipalities in South Africa, from an open system perspective.

06 May 2024 9,297 4 View

What are the gaps surrounding Gig work in Africa [specifically Kenya]?

I've been dabbling into gig work in Kenya recently. I understand that there isn't much literature on it. What gaps do you see in that space of gig work?

04 May 2024 2,294 0 View

Have you read some of our books?

The Role of the Fulbright Coordinator, Faculty Associate, and Community Mentor in the Success of the Fulbright Program: Tarla, Dr Divine N: 9781638819295: Amazon.com: Books (English, Fench, ebook...

03 May 2024 9,229 2 View

How to eliminate returns for online purchased products?

What are the key determinants shaping customers' experiences with last-mile delivery services in South Africa, and how do these factors impact customer satisfaction and loyalty? please focus on...

30 April 2024 4,406 0 View