Archive for November, 2009
Why would an alkyl amine be added to the solvent to prepare a silica gel column, especially when trying to purify or separate compounds that contain acid-sensitive functional groups?
First of all the amines deactivates the acidic centres of silica gel and thus preserves sensitive compounds from decomposition and secondly, if you are going to column amines, it improves the solubility!
I want a checkered pickgaurd for my Squier Affinity Telecaster…I don’t know were to get one that fits.(the kind of pickgaurd Avril Lavigne has)
Well, there are no aftermarket pickguards for Squier products per se. But you can order one for an American Fender that will be very close to an exact fit. I’ve done this on several Squiers my guitar students had and they’ve turned out great. The only thing you really have have to do is make new holes where the pickguard mounts on and maybe a little sanding of the pickguard to fit around the neck but nothing really difficult.
If you have removed your neck pickup and want a pickguard with no hole for the pickup you use this model:
http://www.wdmusic.com/fender_esquire_pickguard_esq_515.html
If you still have your neck pickup then you need this model:
http://www.wdmusic.com/fender_tele_pickguard_te_115.html
http://demonstrations.wolfram.com/LiquidChromatographyWithLinearAdsorptionEquilibriumAndPlateM/
The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily.
Liquid chromatography is a common technique in analytical chemistry used to identify and quantify chemical species in a mixture. The mixture is injected at the inlet of a chromatographic column and a liquid mobile phase (the solvent) allows their elutio…
Contributed by: Housam Binous
Duration : 0:0:12
Originally a broken, metallic blue, Squier Affinity Series Strat, turned into a custom painted, restrung, and replaced (with new pickups)
Equipment used:
Squire Affinity Strat body, neck, hardware.
Seymour Duncan JB jr pickup (bridge)
Fender Noiseless pickup (middle)
No pickup for killswitch purposes (neck)
Ernie Ball Super Slinky strings.
Garage Band – Guitar (effects) – Big Wheels (take out the tremelo effect)
Sound Quality issue fixed!
Made some mistakes.
Duration : 0:6:17
Video of me playing Leper Affinity as an exam in school. A few mistakes, the solo is awful, but deal with it ; ) I also made the backing track a little slower than the original song to compensate with my nerves!
Duration : 0:9:7
An author signs a copy of his book as a part of the book promotion termed as ‘book signing’. Book signing has become a major event as it gives the buyer an opportunity to meet the author. All the best selling authors understand the importance of this event and make the best of book signing.
If the book signing is such an important event in book promotion, it definitely pays to attach more creativity, thought and planning to make it a more impressive, innovative, and effective presentation. Let us see how this can be achieved.
The Perfect Setting
Typically, book signing sessions are held at bookstores. However, think about the venue that will be most suitable for the subject of the book. The very atmosphere and venue could make the audience more appreciative, and receptive to the book, making them more inclined to buy the book. The book signing of a book on nature, or gardening, if organized in an open air garden setting, is likely to receive a more fruitful response than in a formal hall or store setting.
Think about a book that is an autobiography or biography of an author or poet. How about planning the book signing session in a bookstore itself, with posters and banners of the book displayed in an attractive manner? It will definitely create more interest in the illustration of the subject itself, thus resulting in a great response in the form of more copies sold at book signing. You can think of such innovative ideas to plan the book signing session in a more appropriate setting.
The right focus
Remember, the author is the star of a book signing session. It will be the author, who will be in the public eye, who will persuade them into buying the book. Make the right impression; engage the audience in the theme with interaction and exchanges on the subject of the book, convincing them to buy a copy of the book. The author’s performance should be effective enough to generate an interest, prompting the customer to buy a copy of the book immediately, to grab the opportunity of the brief encounter with the author that a book signing event provides.
Remember, it is a part of the book promotion process
Book signing is a part of the long process of book promotion. It provides the author an opportunity to interact with potential buyers. An author must realize the importance of promoting the services of a bookstore, in order to create an affinity between the buyers and the bookstore. Like the book, if the bookstore is highlighted, more people will visit it and the bookstore staff will ensure the best service to sell the book.
The bookstore sales people interact with the customer on a daily basis, thus creating a kind of bond, and acting as a guide while selecting a book. Therefore, using a book signing session to make a bond with the bookstore people helps ensure still greater residual sales over a period of time. All these things need to be considered while participating in a book signing session.
Book signing is an event that brings together the author and the book loving and buying public. It is important, therefore, to make the most of it by taking care of all the different factors involved for the effective marketing of the book.
Victor Epand
http://www.articlesbase.com/marketing-articles/preparing-for-a-book-signing-511958.html
There is no hard and fast rule on this. It is very dependent of the column material, its pretreatment, type of column you are running (flash, gravity), and need for column stabilization. If this is from your schoolwork, your text must have given a rule of thumb. You will need to find it.
The Squire has a better amp, Epiphone has a better guitar. I would recomend getting just the guitar and a separate amp. That way you can get the best of both worlds.
I have a report that describes the affinity between the enzyme i am intrested in and one its ligands as "biphasic" then a fullstop without ant explanation of the term. What does the term mean and what does it imply?
Biphasic here likely means that there are two kinds of interactions between the ligand and the enzyme. One of them would be hydrophobic (look for a hydrocarbon portion of the ligand) or pi-stacking (aromatic rings). The other would be hydrogen bonding, dipole-dipole, or salt bridges (O-H bonds, N-H bonds, charged portions of the ligand). If you find them both, then that is what biphasic means here. If not, find a friendly biochemist and ask for an explaination.
I bought this book on the basis of the Reviewers’ comments. However, having had 3 previously bad experiences with following Reviewers’ recommendations, I really should have known better.
What I expected from a book with a story set in the 13thc and a parallel one set in the modern day was an intelligent story about two different worlds but with logical interfaces. What I got was a plot driven 13thc story and a weak, totally irrelevant modern day story.
It is difficult to understand why the modern day story has been included. It is light on substance, has no believable romance, and no believable central characters. You do not really care what happens to them and, although they are meant to be the modern embodiment of the 13thc characters, there is no discernible or credible link. Reading the book feels as though the modern day story has been included as ‘padding’ to make the novel appear to be more substantial that it actually is.
In the 13thc story, Alais has a strong and pivotal role in the plot as do her father, husband and sister. Although some of the characters are not well formed, those of Alais, her father and her husband are. You can fully understand why Alais becomes the protector of the Book of Words – the third in a trilogy of books – which will bestow tyranny in the event of power and wealth. Her sister is in search of these three books and has acquired two in her quest for power. However, it does not explain why good people are harmed and die and why some people are destined to make such dramatic sacrifices which would be too much to bear for the average human being.
Alais is the daughter of a State Official who had, many years before, sworn an allegiance to protect the books when at any time in his life he was summonsed to do so. When she realises her father cannot protect the Book entrusted to him she takes up the struggle.
However, the present day story is weak. Alice has no role in the story; she is working on an archaeological dig for a week at the recommendation of a friend (Shelagh). Although Shelagh has no role in the story at all, she later gets tortured and dies. But there is no rationale, rhyme or reason why this is so other than to show a devout Catholic in a bad light. It is totally meaningless and without plot and you struggle to establish why the torture has taken place at all or how it has furthered the story. In the post Da Vinci code era of knocking the Catholic Church, this appears to be the sole rationale for its insertion.
Alice, contrary to the Reviewers’ assertions, is not a ‘feisty heroine’ rather someone who lacks judgement, originality of thought and any discernible personality. Yet, going against the rules of the archaeological dig she is digging alone and stumbles on the graves of Alais and her husband – but does not know it at the time - it makes no difference that you, the reader, know. Alice purportedly feels a sense of affinity and also the presence of Alais, but there is no proper context to this feeling. Alice is imbued with ‘déjà vu’ and knowledge – without antecedent or rationale.
The ‘knowledge’ pits Alice against the modern day Catholic Church and the modern day pursuit of the grail – but none, absolutely none, of the story is believable or has any relevance other than Alice has the same name as Alais. However, the major problem is the so called romance between Alice and Will, whose only link to the 13thc story is that he shares the same name as Alais’ husband. Alice and Will meet briefly by accident on a park bench and the reader is meant to believe that they fall madly and passionately in love but you are, in fact, left wondering how and why. Alice has no personality and Will has no character or, excuse the pun, will power. Yet after one very brief meeting, you are asked to believe in their eternal love!
Quite frankly, into page no. 200 I had really become bored by the book. So much of it is unnecessary. All you are doing is reading a text book history lesson, into which some less than credible characters have been inserted. If you want to read about the siege of Carcassone, go there and visit the museum – you don’t need to read this book – the history is there in its own right.
The book is far too long. The 13thc story should have formed the only story. A large chunk of the book is totally irrelevant. It struggles to link the modern day story to the 13thc one. The narrative is weak which, combined with a lack of plot and lack of characters in the modern day story, fails to further the story. Instead, textbook history is relied on to ‘flesh out’ the novel.
I have discerned a trend in media reviews today, if they like you you will inevitably get a good review, whether they like it or not. I have read 3 books this year the content of which bear no actual relation to the reviews posted about them. It is clear some reviewers have not actually read the whole novel before committing pen to paper.
My advice is that you go to Carcassone and read your own history. It is probably much more interesting than this novel!! The novel is a formulaic, commercial novel riding on the back of Dan Brown’s ‘The Da Vinci Code’ therefore guaranteeing publication.
Jo Dominich
http://www.articlesbase.com/book-reviews-articles/review-of-labyrinth-by-kate-mosse-710867.html