Creative Destruction? Cases of Defence Conversion in the United States
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BLUE HEN CHEMIST University of Delaware, Department of Chemistry and Biochemistry Annual Alumni Newsletter Number 41 August 2014 John L
BLUE HEN CHEMIST University of Delaware, Department of Chemistry and Biochemistry Annual Alumni Newsletter NUMBER 41 AUGUST 2014 JOHN L. BURMEISTER, EDITOR ON THE COVER THREE Newly Renovated Organic Laboratories! # 3 8 - P AGE I BLU E H E N C H E MIST ON THE COVER One of the three newly-renovated Organic Chemistry teaching laboratories (QDH 302) is shown. Work on the labs (QDH 112, 318, 320) started on May, 2013 and was completed in February of this year. The refurbishment of the labs was a crucial step in the ongoing revision of the Organic Chemistry laboratory curricula. The additional fume hoods allow each student to conduct experiments individually while minimizing their exposure to chemical reagents. The transparent glass construction helps teaching assistants observe students while they work. The hoods are equipped with inert-gas lines, which can allow the students to work with air-sensitive compounds and learn advanced laboratory techniques. The hoods are also equipped with vacuum lines, which obviate the need for water aspirators and dramatically reduce the labs' water usage. The lab design also allows for instrumentation modules to be swapped in and out according to the needs of the experiment. Carts are designed to house instruments such as gas chromatographs and infrared spectrometers as well as any necessary computer equipment. These carts can then be wheeled into docking areas that have been fitted with the necessary inert gas and electrical lines. The design expands the range of possible instrumentation the students can use while occupying a small footprint of lab space. The labs also feature large flat screen monitors, wireless internet, and computer connectivitiy that will enable the use of multimedia demonstrations and tablet computing. -
DUPONT DATA BOOK SCIENCE-BASED SOLUTIONS Dupont Investor Relations Contents 1 Dupont Overview
DUPONT DATA BOOK SCIENCE-BASED SOLUTIONS DuPont Investor Relations Contents 1 DuPont Overview 2 Corporate Financial Data Consolidated Income Statements Greg Friedman Tim Johnson Jennifer Driscoll Consolidated Balance Sheets Vice President Director Director Consolidated Statements of Cash Flows (302) 999-5504 (515) 535-2177 (302) 999-5510 6 DuPont Science & Technology 8 Business Segments Agriculture Electronics & Communications Industrial Biosciences Nutrition & Health Performance Materials Ann Giancristoforo Pat Esham Manager Specialist Safety & Protection (302) 999-5511 (302) 999-5513 20 Corporate Financial Data Segment Information The DuPont Data Book has been prepared to assist financial analysts, portfolio managers and others in Selected Additional Data understanding and evaluating the company. This book presents graphics, tabular and other statistical data about the consolidated company and its business segments. Inside Back Cover Forward-Looking Statements Board of Directors and This Data Book contains forward-looking statements which may be identified by their use of words like “plans,” “expects,” “will,” “believes,” “intends,” “estimates,” “anticipates” or other words of similar meaning. All DuPont Senior Leadership statements that address expectations or projections about the future, including statements about the company’s strategy for growth, product development, regulatory approval, market position, anticipated benefits of recent acquisitions, timing of anticipated benefits from restructuring actions, outcome of contingencies, such as litigation and environmental matters, expenditures and financial results, are forward looking statements. Forward-looking statements are not guarantees of future performance and are based on certain assumptions and expectations of future events which may not be realized. Forward-looking statements also involve risks and uncertainties, many of which are beyond the company’s control. -
Workers' Hill Powder Yard Eleutherian Mills, the Du
VISITOR SERVICES WORKERS’ HILL ELEUTHERIAN MILLS, THE Where the du Pont story begins. Open daily from 9:30 a.m. to 4:30 p.m. The last bus for a DU PONT FAMILY HOME tour of the du Pont residence leaves at 3:30 p.m. Tickets Workers’ Hill is the remains of one of purchased after 2 p.m. are valid for the following day. several workers’ communities built by Eleutherian Mills, the first du Pont Closed on Thanksgiving and Christmas. the DuPont Company within walking home in America, was named for distance of the powder yards. its owner, Eleuthère Irénée du Pont. From January through mid-March, guided tours are He acquired the sixty-five-acre site The Gibbons House reflects the lives of the powder yard at 10:30 a.m. and 1:30 p.m. weekdays, with weekend in 1802 to build a gunpowder manufactory. The home foremen and their families. hours 9:30 a.m. to 4:30 p.m. today has furnishings and decorative arts that belonged Visitors with special needs should inquire at the Visitor The Brandywine Manufacturers’ Sunday School to his family and the generations that followed. Center concerning available services. illustrates early nineteenth-century education where E. I. du Pont’s restored French Garden is the beginning workers’ children learned to read and write. Contact any staff member for first aid assistance. of the du Pont family garden tradition in the The Belin House, where three generations of company Brandywine Valley. Several self-guided special tour leaflets are available at bookkeepers lived, is now the Belin House Organic Café. -
FL.Datasheet Kevlar® Distribution Program.Indd
MOVING HIGH PERFORMANCE FIBERS FORWARD KEVLAR® DISTRIBUTION PROGRAM FIBERS PROCESSES PRODUCTS WHY FIBER-LINE® DUPONTFIBER TM OPTICAL DISTRIBUTION CABLES PROGRAM? Key Features FIBER-LINE® values its relationships with both its customers and • Purchase small quantities of Kevlar® suppliers. Over the past several years, FIBER-LINE® and DuPontTM have Para-Aramid formed a strong partnership based upon the synergies between both • Many deniers & types available organizations. • Customize your Kevlar® solution with FIBER-LINE® performance adding processes FIBER-LINE®’s ability to add value to the already attractive properties of both Kevlar® Para-Aramid & Nomex® Meta-Aramid creates more opportunity in the market place to provide solution driven products to a diverse range of markets. Because FIBER-LINE® already processes so many different types and deniers of both Kevlar® & Nomex®, FIBER-LINE® have been authorized by DuPontTM to distribute small quantities of these fibers to an ever- growing customer base. Through this program, we hope to introduce businesses of all sizes to the benefit of aramid fibers. Contact us today for small order quantity orders. Available Deniers 200, 380, 400, 750AP, 800AP, 1000, 1000AP, 1420, 1500, 1500AP, 1500BK(Black), 2160, 2250, 2840, 3000, 7100. MOVING HIGH PERFORMANCE FIBERS FORWARD KEVLAR® PARA-ARAMID (HM) BARE FIBER PERFORMANCE Chemical Chemical Chemical Abrasion Yarn on Yarn Ultraviolet (UV) Flame Resistance Resistance Resistance Resistance Abrasion Resistance Resistance (Acid) (Alkali) (Organic Solvent) P O X P P P P CHEMICAL COMPATIBILITY Chemical Resistance to Acid: Degrades in Formic, Hydrochloric, and Sodium Hydroxide acid. Chemical Resistance to Alkali: Strong alkalis will attack at high temperature or concentration. Chemical Resistance to Organic Solvent: Degrades moderately in Carbon Tetrachloride and Ethylene Glycol/Water. -
Recommendations for a Circa 1870-1885 Worker's Vegetable
RECOMMENDATIONS FOR A CIRCA 1870-1885 WORKER'S VEGETABLE GARDEN AT THE HAGLEY MUSEUM by Karen Marie Probst A non-thesis project submitted to the Fa~ulty of the University of Delaware in partial fulfillment of the requirements for the degree of Master of Science in Horticultural Administration December 1987 RECOMMENDATIONS FOR A CIRCA 1870-1885 WORKER'S VEGETABLE GARDEN AT THE HAGLEY MUSEUM by Karen Marie Probst Approved: QpffM.1J tJ ~ 1iftLJt i ames E. Swasey, Ph.D. Professor In Charge Of on-Thesis Projects On Behalf Of The Advisory Committee Approved: ames E. Swasey, Ph.D. Coordinator of the Longw d Graduate Program in Public Horticulture Administration Approved: Richard B. Murray, Ph.D. Associate Provost for Graduate Studies TABLE OF CONTENTS page Project 1 Chapter 1 • INTRODUCTION. • • • • . • . • • • • • . • • . • . • . • • • • • • . • . 1 Footnotes. .. 11 2. RECOMMENDED VEGETABLES •••••.••••••••••.•••.••. 12 ASPARAGUS. • • • • • . • • . • • • . • • . • • . .• • 12 Footnotes. .. 16 BEAN. • • • . • • . • . • . .. 18 Footnotes . .-.. .. 34 BEET. • • . • . • • • . • • . • . • . • . • • • . .. 38 Footnotes........................... 46 CABBAGE. • • • • . • • • • • • • • • • • • • • • • • • . • • • • • .. 48 Footnotes. .. 61 CARROT. • • • • • • . • • . • • . • • • . • • . • . • • . .. 64 Footnotes. .. 70 CELERY. • • • . • . • • . • . • . • . • . • . • • • . .. 72 Footnotes. .. 79 CORN. • . • • . • • • • • • • . • • • • . • . • • • • • • . • . .• 81 Footnotes. .. 87 CUCUMBER. • • . • . • . • • • • • • . • . • . .. 89 Footnotes. .. 94 LETTUCE. -
Dupont Company Engineering Department Photographs 1982.300
DuPont Company Engineering Department photographs 1982.300 This finding aid was produced using ArchivesSpace on September 14, 2021. Description is written in: English. Describing Archives: A Content Standard Audiovisual Collections PO Box 3630 Wilmington, Delaware 19807 [email protected] URL: http://www.hagley.org/library DuPont Company Engineering Department photographs 1982.300 Table of Contents Summary Information .................................................................................................................................... 8 Historical Note ............................................................................................................................................... 8 Scope and Content ......................................................................................................................................... 9 Administrative Information .......................................................................................................................... 11 Controlled Access Headings ........................................................................................................................ 11 Collection Inventory ..................................................................................................................................... 11 Alabama Ordnance Works ........................................................................................................................ 11 Argentine Rayon Construction ................................................................................................................. -
Exploring the Influence of Entropy on Dynamic Macromolecular Ligation
Exploring the Influence of Entropy on Dynamic Macromolecular Ligation Zur Erlangung des akademischen Grades eines DOKTORS DER NATURWISSENSCHAFTEN (Dr. rer. nat.) der KIT-Fakultät für Chemie und Biowissenschaften des Karlsruher Instituts für Technologie (KIT) genehmigte DISSERTATION von Dipl.-Chem. Kai Pahnke aus Nagold, Deutschland KIT-Dekan: Prof. Dr. Willem M. Klopper Referent: Prof. Dr. Christopher Barner-Kowollik Korreferent: Prof. Dr. Manfred Wilhelm Tag der mündlichen Prüfung: 22.07.2016 Die vorliegende Arbeite wurde im Zeitraum von Februar 2013 bis Juni 2016 im Rahmen einer Kollaboration zwischen dem KIT und der Evonik Industries AG unter der Betreuung von Prof. Dr. Christopher Barner-Kowollik durchgeführt Only entropy comes easy. Anton Chekhov ABSTRACT The present thesis reports a novel, expedient linker species as well as previously unforeseen effects of physical molecular parameters on reaction entropy and thus equilibria with extensive implications on diverse fields of research via the study of dynamic ligation chemistries, especially in the realm of macromolecular chemistry. A set of experiments investigating the influence of different physical molecular parameters on reaction or association equilibria is designed. Initially, previous findings of a mass dependant effect on the reaction entropy – resulting in a more pronounced debonding of heavier or longer species – are reproduced and expanded to other dynamic ligation techniques as well as further characterization methods, now including a rapid and catalyst- free Diels–Alder reaction. The effects are evidenced via high temperature nuclear magnetic resonance spectroscopy (HT NMR) as well as temperature dependent size exclusion chromatography (TD SEC) and verified via quantum chemical ab initio calculations. Next, the impact of chain mobility on entropic reaction parameters and thus the overall bonding behavior is explored via the thermoreversible ligation of chains of similar mass and length, comprising isomeric butyl side-chain substituents with differing steric demands. -
Pierre Samuel Du Pont De Nemours from the Executive Director
Summer 2017 - Vol. 46 No. 2 SAVE THE DATE Fireworks at Hagley June 16 & 23 Bike & Hike Wednesday Evenings June 7 through September 13 HagleyMAGAZINE Summer Camps 2016 ANNUAL REPORT July 10-14, July 31-August 4 Pierre Samuel du Pont de Nemours From The Executive Director Several months ago, I received a phone education system in Virginia. And speaking Executive Director David Cole call from a professor on the Faculty of Law of Jefferson, let’s not forget the crucial role at the University of Paris. He was calling to that du Pont de Nemours played as a behind- inform me that his university is planning a the-scenes broker of the Louisiana Purchase. Cover: Portrait of Pierre Samuel 2017 academic conference in commemoration Across oceans, political divides, and academic du Pont de Nemours on display in of the 200th anniversary of the death of disciplines, this gifted thinker was a true the Morning Room of Eleutherian duPont family patriarch, Pierre Samuel innovator—always eager to experiment in the Mills. The portrait was painted by du Pont de Nemours. This conference, he service of better living. Joseph Ducreux, court painter for Marie Antoinette, in Paris circa 1876. explained, will draw scholars from across the globe Back: Visitors enjoy biking on the and will invite a critical property during Bike & Hike on Across oceans, political summer Wednesday evenings. reappraisal of the intellectual contributions and legacy of divides, and academic this extraordinary figure of the French enlightenment. disciplines, this gifted I was delighted to have thinker was a true innovator. this news, as I have felt for some time that du Pont de Nemours’s life and career as Board of Trustees a philosopher, educator, political figure, and In 2017, Hagley will join the University of Henry B. -
3. State/Federal Agency Certification Signature of Certifying Official
NFS Form 10-900 0MB No. 1024-0018 (Rev. 10-90) United States Department of the Interior National Park Service NATIONAL REGISTER OF HISTORIC PLACES .NAT. REGISTER OF HISTORIC PI ACES REGISTRATION FORM NATIONAL PARK SERVICE This form is for use in nominating or requesting determinations for individual properties and districts. See instructions in How to Complete the National Register of Historic Places Registration Form (National Register Bulletin ISA). Complete each item by marking "x" in the appropriate box or by entering the information requested. If any item does not apply to the property being documented, enter "N/A" for "not applicable." For functions, architectural classification, materials, and areas of significance, enter only categories and subcategories from the instructions. Place additional entries and narrative items on continuation sheets (NFS Form 10-900a). Use a typewriter, word processor, or computer, to complete all items. 1. Name of Property historic name Torbert Street Livery Stables other names/site number Hercules Powder Company Printing Department______ Charles Printing Co., Wilminaton Motorcycle Club Cann Bros & Kindig Printers, Barclay Bros Printing CRS Numbers: N-7554.01 and N-7554.02____________ 2. Location street & number 305-307 Torbert Street not for publication city or town __ Wilminaton __ vicinity __ state Delaware code DE county New Castle code 003 zip code 19801 3. State/Federal Agency Certification As the designated authority under the National Historic Preservation Act of 1986, as amended, I hereby certify that this :V_ nomination ___ request for determination of eligibility meets the documentation standards for registering properties in the National Register of Historic Places and meets the procedural^and professional requirements set forth in 36 CFR Part 60. -
Dupont™ Chemical Guidebook
Chemical manufacturing Personal protective solutions for chemical manufacturing industry applications Because everyone Our brands Nomex® has someone ™ ® DuPont Nomex offers a tested and proven portfolio of protective solutions that continues to meet or exceed global standards for heat, flame and depending on them * electric arc flash protection. to get home safely Kevlar® Gloves made with DuPont™ Kevlar® offer industry-leading cut protection, built-in DuPont is more focused than ever on providing heat and flame resistance and electric arc flash protection, while providing the innovative protection solutions and expert technical dexterity and comfort workers want. support tailored to meet the specific needs of workers in chemical manufacturing industries Tyvek® around the world. DuPont™ Tyvek® garments provide workers with superior protection from small-sized hazardous particles, including lead, asbestos and mold. And because Because their safety is our business, workers in the protection is built into the fabric itself, there are no films or laminates to chemical manufacturing industries can rely on the abrade or wear away. world-class people, products and innovation that have made DuPont a trusted partner in personal protection. Tychem® DuPont™ Tychem® garments deliver durable protection and offer strong With a wide range of industry-leading personal permeation barrier against a wide range of chemicals. Together with Tychem® protective equipment (PPE) solutions and a global gloves and tape, they create the Tychem® Trusted Chemical System™ network of PPE specialists, technical experts and for complete protection. manufacturing, DuPont is uniquely suited to provide the protection and comfort every worker deserves to face a range of workplace hazards with confidence. -
Microstructure and Properties of Polytetrafluoroethylene Composites
coatings Article Microstructure and Properties of Polytetrafluoroethylene Composites Modified by Carbon Materials and Aramid Fibers Fubao Zhang *, Jiaqiao Zhang , Yu Zhu, Xingxing Wang and Yuyang Jin School of Mechanical Engineering, Nantong University, Nantong 226019, China; [email protected] (J.Z.); [email protected] (Y.Z.); [email protected] (X.W.); [email protected] (Y.J.) * Correspondence: [email protected]; Tel.: +86-13646288919 Received: 12 October 2020; Accepted: 16 November 2020; Published: 18 November 2020 Abstract: Polytetrafluoroethylene (PTFE) is polymerized by tetrafluoroethylene, which has high corrosion resistance, self-lubrication and high temperature resistance. However, due to the large expansion coefficient, high temperature will gradually weaken the intermolecular bonding force of PTFE, which will lead to the enhancement of permeation absorption and the limitation of the application range of fluoroplastics. In order to improve the performance of PTFE, the modified polytetrafluoroethylene, filled by carbon materials and aramid fiber with different scales, is prepared through the compression and sintering. Moreover, the mechanical properties and wear resistance of the prepared composite materials are tested. In addition, the influence of different types of filler materials and contents on the properties of PTFE is studied. According to the experiment results, the addition of carbon fibers with different scales reduces the tensile and impact properties of the composite materials, but the elastic modulus and wear resistance are significantly improved. Among them, the wear rate of 7 µm carbon fiber modified PTFE has decreased by 70%, and the elastic modulus has increased by 70%. The addition of aramid fiber filler significantly reduces the tensile and impact properties of the composite, but its elastic modulus and wear resistance are significantly improved. -
Brandywine River Dam Removal Field Recon Report, December 2015
Restoration of American Shad to the Brandywine River Draft Dec 2015 University of Delaware Water Resource Center Newark, Del. 0 Summary This letter report updates the 2005 American shad restoration along the Brandywine River report prepared by the Brandywine Conservancy. American shad {Alosa sapidisimmd) were once an abundant migratory fish found throughout East Coast rivers and streams of North America, including the Brandywine River in Delaware and Pennsylvania. Shad were an important part of Native American and early colonial diets, and later, were the basis of an important commercial fishery in larger rivers like the Susquehanna and Delaware. Spring runs of shad comprised a unique and dramatic natural phenomenon, now a lost part o f our cultural heritage. Shad restoration efforts are underway in numerous rivers and streams along the East Coast. A 1985 study titled A Review and Recommendations Relating to Fishways Within the Delaware Basin commissioned by the Delaware Basin Fish and Wildlife Management Cooperative identified three tributaries historically used by shad for spawning which had “the greatest potential for restoration of the American shad.” These include the Lehigh, the Schuylkill, and the Brandywine Rivers. The following is a report on the current state of dams along the Brandywine River. Restoring shad to the Brandywine River has important economic, ecological, and cultural benefits for the Brandywine Valley region generally and the Wilmington area specifically. The following is a summary table on the 11 dams on the Brandywine River, a map highlighting the dams and relevant landmarks, a report detailing each dam, along with photographs of the dams in their current state during the fall of 2015.