How can sperms protected from the acidic PH of the vagina?

Discuss the means by which sperms can be protected from the acidic environment of the vagina?

01 February 2019 6,179 1 View

I'm so thankful to your explain for a such colleague weekly share in heavy state at RG. As, with those of a little w/share but have jump in RG score?

I will be very thankful to know your explanations about a such colleague weekly participate in heavily status at RG. In compare, with those of a little or slight weekly participate, but they have...

08 September 2018 4,284 12 View

What is your opinion of world's accelerated events and whether it has an impact on the academic and research situation around the world in general?

Is there impact on the academia and research situation due to the acceleration events around the world's now a days?. Thank you for share advance opinion.

07 August 2018 9,422 18 View

Anyone can give the meaning or help in the physiological definition of the Osmole?

04 May 2017 3,190 2 View

Whats happened to the GFR and to the renal plasma flow if the efferent arterioles constrict?

About the increase and decrease.

04 May 2017 5,499 4 View

From a male perspective. Is there any physiological differences between the castration and the vasectomy?

03 April 2017 4,595 0 View

Dear all colleagues, what is the site of secretion and the physiological functions of Von Willbrand factor ?

02 March 2017 7,843 1 View

I asked about the normal physiological values of PCV in; men, women, children, baby, infant, and at which factors it can be affected ?

About the normal PCV values ?

02 March 2017 2,169 2 View

Any one can told me about the most specific proteins that concerning with the transport processes ?

I want to know the specific proteins that concerned with the transport processes?

02 March 2017 1,590 0 View

What are the two factors that responsible for preventing the filtration of proteins by filtration membrane?

02 March 2017 8,757 0 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

How to extract water soluble amino compound from after aqueous work up?

4-Dimethyl amino pyridine is used in reaction.Product formed contains amino group along with amide & is highly water soluble. To remove 4-DMAP aqueous work up done. Please give solution. Thanks.

21 February 2021 1,883 1 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View