661 research outputs found
Purification, Dispersion and Separation of Single Walled Carbon Nanotubes
No full textIn this thesis, the purification, dispersion and separation of Single Walled Carbon Nanotubes (SWNTs) are explored. The motivation for this work arose from the basic desire to understand and further develop the underlying chemistry of SWNTs, thus enabling the extraordinary properties of SWNTs to be used to their full potential.
Achieving highly pure SWNT samples on which further chemistry can be undertaken is of critical importance; purification must be able to be performed in a reliable and repeatable manner. As such, a new method of SWNT purification was developed. This method introduced a new base washing step that removed a significant fraction of the impurities created during the standard acid reflux purification. This finding has implications for many existing reports on nanotube chemistry.
Separation of SWNTs by their electronic properties is extremely important if SWNTs are to fulfil their potential in a wide range of applications, from optoelectronics to molecular sensing. In order to separate metallic and semiconducting SWNTs, two novel methods were developed, both of which are relatively cheap and easily scalable.
First, SWNTs were reduced in liquid ammonia containing an alkali metal. The reduced tube salts were then spontaneously dissolved in dry solvents to form stable dispersions which were found to contain primarily metallic SWNTs; hence, separation was achieved.
The second method investigated the separation of SWNTs reduced by electrochemical means. When a voltage was passed through a SWNT sample in a suitable electrolyte, SWNTs were reduced and therefore dissolved. These dissolved SWNTs were deposited as a thin carbon film, in which metallic SWNTs were found to preferentially present; once again, separation was achieved
Effect of surface functionalisation on the interaction of carbon nanotubes with primary human alveolar cells in vitro
No full textA performer's guide to the saxophone music of Sherwood Shaffer
No full text"During his career, composer Sherwood Shaffer has written thirteen concert works for the saxophone. These compositions represent a wide range of instrumentation from solo saxophone with piano, saxophone quartets and other chamber works, to solo saxophone with full orchestral accompaniment. Despite their quality, these works occupy a relatively unknown niche of the saxophone repertoire. The purpose of this study is to provide a brief biography of Sherwood Shaffer and an overview of his works for saxophone, to analyze sections from several representative pieces from the standpoint of performance preparation, and to provide an overview of stylistic and technical challenges found in common among his works. Three works, Summer Nocturne for alto saxophone and piano, Charades for violin, tenor saxophone, and piano, and Sinfonia for saxophone quartet, were chosen from the set of thirteen to serve as the primary examples for this research. In order to obtain information about the origins and influences behind these works, the composer and several of the musicians who commissioned them were interviewed. Insights into the difficulties found in these works as well as historical data regarding their composition and premiere performances were gathered. Technical and textural challenges found in these works were identified through performance analysis. Shaffer uses complex textures, and the active nature of his individual parts creates difficulty during rehearsal and preparation. When learning these pieces, performers must identify melodic themes as they are passed from instrument to instrument. Only through proper ensemble balance and stylistic interpretation do the important melodic themes prevail. Other factors including interpretation of accent marks, proper use of written dynamics, and awareness of common melodic structures are examined. "--Abstract from author supplied metadata
Electrochemical Processing of Single-Walled Carbon Nanotubes and Related Materials
No full textThe remarkable properties of single-walled carbon nanotubes (SWNTs) and potential
applications are hindered by current solution-phase processing strategies. The initial dissolution
of SWNTs remains a fundamental challenge, reliant on aggressive chemistry or ultrasonication and
lengthy ultracentrifugation. In this thesis, a simple non-aqueous electrochemical reduction process
that leads to spontaneous dissolution of individualised SWNTs from raw, unprocessed powders is
outlined. The intrinsic electrochemical stability and conductivity of these nanoparticles allows
their electrochemical dissolution from a pure SWNT cathode to form solutions of well-defined
nanoparticle anions with characteristic charge density. Other than a reversible change in
redox/solvation state, there is no obvious chemical functionalisation of the structure, suggesting
an analogy to conventional atomic electrochemical dissolution. The heterogeneity of as-synthesised
SWNT samples leads to the sequential dissolution of distinct fractions over time. Initial
preferential dissolution of defective nanotubes and carbonaceous debris provides a simple,
non-destructive means to purify raw materials without recourse to the usual, damaging, competitive
oxidation reactions. During early stage developments, the process showed remarkable affinity for
dissolving metallic SWNTs, providing a potentially scalable route for separation by electronic
character, vital for many applications. However, selectivity was lost with significantly increased
process yields (complete dissolution) following several optimisations. Subsequently, the
electrochemical deposition of SWNTs is proposed as a new route to selectively plate specific SWNT
species and avoid unwanted functionalisations that occur when exposing reduced SWNTs to different
atmospheres. Finally, the extension of electrochemical processing to related materials including
activated and graphitic nanocarbons, metallic and metal chalcogenide nanomaterials was also
investigated, with great promise for the development of
new applications.Open Acces
Milo Canopener (December 1, 1994)
No full textAn archive of the Milo Canopener.The University of Lethbridge Library received permission from the Archives at Milo Library to digitize and display this content.-Ad <Ra{'es
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n«uk S^oGc OZ 1,087.00 plus G.S.T. for an annual assessment and 350.00 - 400.00 plus surveying fees. Or the second option would be to enter into an encroachment agreement etween the Village and the Co-Op acknowledging the steps encroach on the property and state that we are willing to have them remain. If this was to. be registered on the title, it would be necessary to get a lawyer and file a
CcLVGcIl •Lynda Cyr said she had talked to the people in regards to the infrastructure
funds. It will be about six to eight weeks before the project is approved. Council have decided to go ahead with the office renovations as it will be getting too cold to do outside work before long.
Councillor Monner requestedaload of gravel be purchased for the new subdivision.
Terry Mullinger was to attend the meeting tonight but once again no one has heard from him. Lynda Cyr is to fax him a letter saying Council are most unhappy with his service. Alberta Environment has said they have not received anything from him in regards to the project so can not approve it until that time. Council will reopen the project for tenders unless he does something immediately.
Lynda Cyr said she had attended the Municipal Administrator's Session at the convention in Calgary in regards to the new Municipal Government Act.
The meeting adjourned at 7:10 p.m.
Christmas Production
"Christmas At The Movies"
written, produced & directed by
Milo Community School
T'*"' 2:00 p.m.
Thursday, Dec. 8
o
7:00 p.m.
Welcome!!
Silver collection and Food Bank DonationsCOUNCILOR COMMENTS
These comments are my opinion only and not those of the County of Vulcan.
Most of the Councilors attended the fall convention in Edmonton.
The important part of these conventions is the oportunity to talk to Government officials and other Councilors to see what they are doing about various problems that we all have. Leon Root who was in charge of Southern Alberta Transportation has retired and the new person was the one we met with. When asked about our paved roads he said,"The Government has too much invested in them and will not let them go back to gravel". However, he did not tell us by who and how' it will be paid for. Any secondary road that does not have base coating done and does not have at least 200 vehicles per day does not gualify for paving at this time.
We are .having difficulty with our local C.U.P.E. group of employees, at least some of them. In spite of Government cut backs we managed to
keep everyone working at summer. It appears to me that some people like to be causing the County and their fellow workers no end of trouble. In my opinion if their attitude does not change Y
will be forced to take some drastic action.
There is a rumor that the school board staff that are being trans- fered to our new office in Lethbridge are to receive a severance package". I hhave not been aable to confirm this one way or another
at press time.
"Merry Christmas to everyone and a Happy New Year"
Submitted by Rranf. I.ahd
Notice!
Annual Milo and District Ag Society meeting to be held on Thursday, Dec. 15th at 7:30 pm. Please plan to attend.
FREEE CAT
Beautiful, loveable, 4 months old. She is mostly white with grey and ginger on her head and tail. Very pretty.
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Wishing you a Merry Christmas All a Haw 1995
SHOPPE
VULCAN’S SMART STYLE CENTRE
Phone 485*2358 Vulcan, Alberta
LETTER TO THE EDITOR:
I would like to respond to your writer of Nov's "What's your Bug."
1st. Town Council prints ail our meeting minutes in the CanOpener. All the people who elected us have been informed through this of what we're doing. Our meetings are open to anyone and all our phone numbers are listed. If anyone at any time has any concerns they can contact us. It would be very hard to try to personally talk to everyone about all the decisions we must make.
2nd. Since you would not sign your name and have wrote "Someone who was thinking of moving into Milo" I must assume you are not a village resident and were not one of the people who elected us.
3rd. To explain further, 2 decisions that seem to be of concern.
1. To all the persons or person who drive around the garbage pit fence or cut the locks off, and think we did this to inconvenience everyone, our reason was such. Enviroment, County and Foothills Health said if we did not fence. Lock and control the pit it would be filled in and we would not get a site at all. We decided the inconvenience of a controlled site would be better than hauling all our garbage to Vulcan to a controlled site there. Hence, we were not given much of a choice in this matter.
2. Water meters are again being recommended to us. Enviroment will reduce our assistance by a minimum of 10% if we do not show an attempt at water conservation,
(i.e. water meters), this would mean an increase to rate payers. Most people are leading us to think that they believe in user pay, Pay for what you get. Water meters would do this. We have not decided yet on what format we will use for charging for the water, i.e. so much per gallon or flat fee for first so many gallons per month then a per gallon fee for every gallon following.
We would welcome any comments on what residents would prefer. So in closing, unless you are planning or are using extreme amounts of water and want your fellow tax payers to cover some of your share, this would be a fair system.BROWNIE NEWS
On November 16, the First Milo Brownies held their enrolment. Several guests were entertained with songs, explanations of what happens at a regular weekly meeting and of course the Tweenies enrolment into the pack.
A forest theme was chosen. Tweenies Kayla Armstrong, Jennifer Way and Katie Wilson each took their turn walking on the stone path to the toadstool to say their Brownie Promise and become a REAL Brownie. This was a very special ceremony for the girls and a pleasure for the leaders to welcome three new girls to the pack.Tawny Owl, Jo-Anne was quite pleased to have her daughter Katie enrolled as she was herself a few years back! Everyone enjoyed a lunch of Girl Guide cookies, especially enjoying the new mint cookies. The girls will be selling these cookies at their Valentines Day craft sale at the school.
On December 12, weather permitting, the pack is looking forward to attending a Rally in High River, with an evening of bowling. Several packs get together at this event and it is nice for Sparks, Brownies and Guides to share time together.
Hopefully we will get in some Christmas carolling in and have heard reports from some of the residents in town they look forward to hearing the girls. Until next time....
Brown Owl
Guides du Canada
B.A. LL.B
Banister Solicitor Notary Public
115 - 2nd Avenue Vulcan, Alberta Phone 485-2039 485-2953 (res)
OFFICE HOURS: Monday - Friday 8:30 a.m. -12 noon 1 pm - 4:30 pm
Evenings aid Weekends i___________________By appointment
Co u e.'r -i d
ecx_Si u)e.'ri5.50 each. We will pay these next meeting. Correspondence:Thanks were received from the Bible Society, Children's Hospital and Lamp for donations. Lamp would like a representative from our group.
We will send a donation to the Canadian Bible Society in memory of Lois's brother, Gordon Kennedy.
We planned our Christmas program. Invitations were made up by June,
Alice and Ethel. Audrey and "elves" made the place favors. Lunch committee Jean, Lois and Carol. Program: Marilyn, Kathy and Ruth. Decorating: Harriet and helpers. We will need centrepieces and gifts for draws.
Moved by Lois, seconded by Alice we make our December donations. Carried.
A gift for Pastor Christine was discussed. We will look into the cost of a white stole.
We will do layettes in January. December Bible study leader is June, Hostess and cleaning - Marilyn.
Lois moved the meeting adjourn. June served a delightful lunch. A
is it possible this good looking girl will soon be 50???
in December. Happy Birthday from Guess Who?
7
7
GUESS WHO IS TURNING THE BIG
"5-0"?Sheila Winch, Levona Dixon, June Beckner, Marina Vannatta, Carol Henry, Zola Webber, Sue I vers, Ellen Watt., Betty Lahd
Cfjankpou
We'd like to thank our subscribers, our delivery people, Josh, Amy and Helen Shield, our extra helpers- Irish McLeod, Marilyn Posein, Kay Zaytsoff, Helen Thompson, and all who contribute news, notices, adds and comments to fill our paper.It's Your Money
by: John W. Shield 1-800-761-9333
Issue No. 02, December 1994
INVESTORS GROUP
Your RRSP Options
Ali Canadians have a wide assortment of investment options, when it comes to buying a Registered Retirement Savings Plan.
In fact, the range of choices is so extensive that it may be best for you to consult a professional financial planner before you select what type of RRSP you will purchase this year.
Keep in mind, that there is no such thing as a "one-thing-does-all" when it comes to your RRSP, That's because circumstances and needs vary so greatly, and may undergo many changes before you reach retirement age.
Over the years you may use a number of different types of RRSP's, each one to match with your personal financial position and a newly perceived need.
If you are a first time buyer of an RRSP, it is advisable not to buy on impulse. What you are about to embark on is a long-range investment program which merits some serious thinking.
Ask yourself if you are risk-conscious when it comes to money matters. If you are, you may want to make your initial RRSP investment a Guaranteed Investment Certificate. You will know exactly what you can expect in interest from the GIC at the end of its term.
Because interest rates never stand still, it may be advisable if you are investing in GICs to spread the investment over different term lengths.
You are entitled to split up your annual RRSP contributions into a variety of plans, including spousal RRSPs. You may own as many RRSPs as you wish to have.
GICs are suitable for investors who are strongly adverse to risk. However they do not provide the growth you receive from investing over the long term in RRSPs containing stocks, bonds or mutual funds.
Experience has shown that your RRSP portfolio will earn the highest returns if it
contains a mixture of equity investments, such as, well-selected common stocks or mutual funds which contain the stocks of Canadian and foreign companies.
It is important to strive
for diversification of your investments within your RRSP. That is why mutual funds are now so popular. Each fund has a diverse selection of equity investments, or bonds or mortgages.
MISSION STATEMENT: To help you achieve your financial goals while building your career, raising your family or planning retirement
Wishing you ali a Marry Christmas and a Happy New YearMILO KINDERGARTEN SUPPER/SILENT AUCTION.. A HUGE SUCCESS!!!
On Thursday, November 10, 1994 the Milo Kindergarten Association held a stew-supper and silent auction at the Milo Community Hall. This event was staged as a fund-raiser with the funds going to help successfully run the 1994-95 kindergarten program. The evening consisted of dinner, entertainment, door-prizes, and the auctioning of various items and services.
Approximately 161 tickets were sold for the stew supper. This was prepared and served by Donna Deitz, Yvonne Umscheid, Dale Nelson, Frances Thompson, Charlotte Bath and Marianne Armstrong. Thanks goes to Donna Deitz for chairing this job, the meal was delicious. Thanks also to all those who donated the vegetables, meat and made the desserts. Thanks to Colleen, Penny and Jo-Anne for helping with the dishes and kitchen cleanup.
Cooks at work!
The bidding started at 5 p.m. sharp. The M.C. for the evening was Sandy Henry. A big thankyou goes to Sandy for donating his s
Shaffer v. Heitner: Holding, Implications, Forebodings
No full textThe landmark decision of Shaffer v. Heitner spelled out important constitutional limitations on the exercise of quasi-in-rem jurisdiction, but has nonetheless generated doubts and perplexity in its judicial aftermath. The author argues that the ultimate importance of Shaffer may relate less to its specific holdings regarding quasi-in-rem jurisdiction than to its broader perspective of attributing a constitutional dimension to the classical doctrine of the more convenient forum
Shaffer v. Heitner: Holding, Implications, Forebodings
No full textThe landmark decision of Shaffer v. Heitner spelled out important constitutional limitations on the exercise of quasi-in-rem jurisdiction, but has nonetheless generated doubts and perplexity in its judicial aftermath. The author argues that the ultimate importance of Shaffer may relate less to its specific holdings regarding quasi-in-rem jurisdiction than to its broader perspective of attributing a constitutional dimension to the classical doctrine of the more convenient forum
Layered Zinc Hydroxides: Direct Organometallic Synthesis of Carboxylate Intercalated Layered Zinc Hydroxides for Fully Exfoliated Functional Nanosheets (Adv. Funct. Mater. 30/2021)
No full textIn article number 2102631, Milo S. P. Shaffer, Charlotte K. Williams, and co-workers present a direct and versatile organometallic route to carboxylate-intercalated layered zinc hydroxide (LZH) 2D nanosheets. The functional LZHs show excellent solubility in polar solvents, including water with solubilities of up to 140 mg mL−1 and monolayer exfoliation yields of 70–80%. This method contrasts with more conventional top-down routes to layered metal hydroxides and offers unique insight into the mechanisms of seeding, growth, and exfoliation of 2D materials
Brecht in Shaffer: a Revision
No full textEn este trabajo se analiza la presencia de elementos de la poética brechtiana en el teatro del autor británico Peter Shaffer. Un sector de la crítica ha postulado que las principales obras de Shaffer se encuentran profundamente influidas por la poética teatral de Bertold Brecht; esto se advertiría especialmente en el repertorio de técnicas del alemán que son utilizadas por el británico. Un sector minoritario de la crítica incluye la obra de Shaffer dentro de dentro de otras tradiciones como el drama poético, el teatro de la crueldad y el existencialismo. El objetivo de esta investigación es revisar los alcances de la poética de Brecht en torno el teatro shafferiano. Esto implica polemizar con el modo en que se suelen pensar las influencias en el campo de la producción artística así como en el modo en que ha sido leída la poética de Brecht y adjudicada a otros dramaturgos.In this article we study te presence of Brecht’s poetics in Peter Shaffer’s work. Some critics have stated that this British author is deeply influenced by Brechtian theatrical poetics, given his use of a repertory of the German playwright’s techniques. A few other critics argue instead that Shaffer’s production is better understood in the light of some other traditions, such as poetic drama, theatre of cruelty and existencialism.
The aim of this study is to revise the contact between Brecht and Shaffer. This implies questioning the way in which influences are usually thought of and the way in which Brecht’s theory has been attributed to several dramatists.Facultad de Humanidades y Ciencias de la Educació
The Biblical Prophets as Lawyers for the Poor
No full textLawyers practicing poverty law often lack mentors and role models. This author discusses how biblical figures, who served poor people, could be mentors and role models for lawyers practicing poverty law. Prophets, and particularly prophets-as-lawyers, redefine power relationships. Shaffer discusses his personal journey through out his career in using religious guidance to help him better understand his career. He also discuss his teachings to his law students of the value of learning from prophets in their legal careers
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