与 «PVA»相关的英语书籍
在以下的参考文献中发现
PVA的用法。与
PVA相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Biopolymers/
PVA Hydrogels/Anionic Polymerisation/ Nanocomposites
PVA is produced by free radical polymerization and subsequent hydrolysis,
resulting in a fairly wide molecular weight distribution. A polydispersity index of 2
to 2.5 is common for most commercial grades. However, polydispersity indices of
5 ...
2
Interventional Radiology
Non-Resorbable Materials Ivalon: polyvinyl alcohol (PVA). This is a plastic
sponge material available in blocks, sheets, spheres and particles. PVA is also
available in radiopaque form by the addition of 60% barium sult'ate or tantalum
powder.
3
Thermal Degradation of Polymeric Materials
Owing to its solubility and biodegradability, PVA films are increasingly used as
packaging materials. Two technologies are mainly used for PVA film production -
casting from viscous water solution or blow extrusion from the melt. For
packaging ...
Krzysztof Pielichowski, James Njuguna, 2005
4
Handbook of Pharmaceutical Controlled Release Technology
Surya K. Mallapragada and Shannon McCarthy-Schroeder Iowa State University,
Ames, Iowa I. INTRODUCTION Hermann and Haehnel first synthesized polyvinyl
alcohol) (PVA) in 1924 (1). Today it has become one of the most important ...
PVA glues boast a long shelf life but may thicken or dry up when they get too old.
Here's a rundown on the wide range of woodworking glues available today, with
a closer look at the working properties of each type. POLY VINYL ACETATE ...
6
Handbook of Thermoplastics
The mechanisms of the color development, i.e., the aggregation of PVA around 1
^ and the helix formation around IJ, have been discussed [105]. C. Blends PVA
though not always miscible is generally compatible with polymers having polar ...
Olagoke Olabisi, Kolapo Adewale, 1997
7
Conservation Biology: Foundations, Concepts, Applications
Consideration of PVA results also led to choosing the correct management
strategy 74% of the time with 10 years of data and 92% of the time with 100 years
of data (McCarthy et al. 2003). Based on their assessment, McCarthy and his ...
8
The Beliefs About
PVA Harm Survey: Testing the Factor ...
DISCUSSION The primary purpose of the current study was to establish 'beliefs
about PVA harm' as a distinct construct through the assessment of the factor
structure, reliability, and validity of the Beliefs about PVA Harm Survey (BPHS) –
an ...
Melody Marie Griffin, 2008
9
Liquid Crystal Dispersions
As such, most types of PVA can be thought of as a copolymer between polyvinyl
alcohol and polyvinyl acetate. The high concentration of hydroxyl groups is what
gives PVA its solubility with water and high degree of incompatibility (from a ...
10
Modern Ceramic Engineering: Properties, Processing, and Use ...
Polyethylene glycol (PEG) and water both act as plasticizers for PVA. PVA with
no plasticizer has a Tv over 60°C ( I40"F) and thus has glassy deformation
behavior at room temperature. Relative humidity (rh) of 50% reduces Tg to below
50°C ...
包含词语«PVA»的新条目
找出国内和国际出版社所讨论的内容，以及词语
PVA在以下新条目的上下文中是如何使用的。
Penn Virginia (PVA) Showing Signs Of A Dead Cat Bounce Today
Trade-Ideas LLC identified Penn Virginia ( PVA) as a "dead cat bounce" (down big yesterday but up big today) candidate. In addition to specific proprietary ... «TheStreet.com, 七月 15»
Penn Virginia (PVA) Stock Tumbled With Retreating Oil Prices
"We rate PENN VIRGINIA CORP (PVA) a SELL. This is driven by some concerns, which we believe should have a greater impact than any strengths, and could ... «TheStreet.com, 七月 15»
Penn Virginia (PVA) Agrees to Sell East Texas Assets for $75M
Penn Virginia Corporation (NYSE: PVA) today announced that it has entered into an agreement to sell its East Texas assets to an undisclosed buyer for gross ... «StreetInsider.com, 七月 15»
Penn Virginia (PVA) Stock Tanking on Decline in Oil Prices
(PVA - Get Report) are down by 6.57% to $3.70 in mid-afternoon trading on Monday, as some energy and related stocks slump due to the retreat in oil prices. «TheStreet.com, 七月 15»
One Factor Dragging Penn Virginia (PVA) Stock Down
NEW YORK (TheStreet) -- Shares of Penn Virginia Corp (PVA - Get Report) were sinking, down 7.34% to $4.80 in late morning trading Monday, giving back its ... «TheStreet.com, 六月 15»
Lone Star: Penn Virginia Corporation (PVA) Should Ponder 'All …
Lone Star Management LLC has requested Penn Virginia Corporation (NYSE:PVA) to ponder over “all credible proposals” before deciding over a strategic ... «Bidness ETC, 六月 15»
Penn Virginia (PVA) Stock Surges on Possible BP Bid
NEW YORK (TheStreet) -- Shares of Penn Virginia Corp. (PVA - Get Report) were gaining 9% to $4.85 on heavy trading volume Thursday following a report that ... «TheStreet.com, 六月 15»
Legislators grill Jefferson PVA on assessments
Lawmakers peppered Lindauer and other PVA officials with questions about their assessment process and the use of mapping computer programs to evaluate ... «The Courier-Journal, 六月 15»
Penn Virginia Corporation (NYSE:PVA) Ratings Update
Wall Street analysts polled by Zacks Research have given Penn Virginia Corporation (NYSE:PVA) a rating of 2 on a consensus basis. Using a simplified scale ... «Investor Newswire, 六月 15»
Penn Virginia Corporation (PVA), Kirkland's, Inc. (KIRK) Among …
We decided to take a look at how the fund's top picks including Vishay Precision Group Inc (NYSE:VPG), Penn Virginia Corporation (NYSE:PVA), Kirkland's, Inc. «Insider Monkey, 六月 15»
