موضوعات
آموزش و پرورش
ادبیات و زبان
پزشکی، دندانپزشکی و داروسازی
تاریخ و جغرافیا
داستان و رمان
دیگر
دین و فلسفه
روانشناسی
ریاضیات و آمار
سلامتی، تناسب اندام و رژیم غذایی
شیمی و پلیمر
علوم اجتماعی و حقوق
علوم زیستی و بیوتکنولوژی
فیزیک و نجوم
کامپیوتر و اینترنت
کتابهای کودکان و داستان
کسب و کار و اقتصاد
کشاورزی و دامپزشکی و غذا
معماری
مهندسی و فناوری
هنر و تئاتر
محصولات
Elastomer Stereospecific Polymerization (Advances in Chemistry Series, Volume 052) - PDF
نویسندگان: خلاصه: Addition polymerization, initiated by organometallic compounds, has in recent years aroused widespread interest mainly because of the stereospeciflc character of many of these systems. It soon became apparent that the chain propagation reaction in these systems differed markedly from that of the wellknown free radical polymerizations in that it involved an orientation of the incoming monomer instead of a more random reaction. However, elucidating the detailed mechanism of this important step has been difficult owing to lack of knowledge about the exact structure of the organometallic compound as well as the heterogeneous nature of most such systems. The available knowledge of stereoregular polymerization (1), anionic propagation kinetics (13), and organolithium polymerization (2) has recently been reviewed. Based on presently available knowledge, therefore, it is now possible to sketch some general guide lines toward a better understanding of these phenomena.
Thermoforming: A Plastics Processing Guide (2nd Edition) - Original PDF
نویسندگان: خلاصه: Dr. Gruenwald has indicated the desirable properties of polymerics for differing applications; thus, his text is especially useful for polymer chemists who must "tailor" plastic materials for specific groups of applications. Engineers in extruding and calendering film and sheet will benefit from the intimate relationships elucidated between processing parameters imposed upon stocks employed in thermoforming and the products thereof. Mold designers are provided with a complete guide that will enable them to avoid the less obvious pitfalls and wasted effort so often experienced in the evolution of molds for (especially) complex parts.. Quite likely, Dr. Gruenwald's suggestions willl lead to considerable benefits to those who read and practice by this remarkable exposition of thermoforming technology. Robert K. Jordan Director-Metalliding Institute, Director-Engineering Research Institute, Scientist in Residence, Gannon University
Severe Plastic Deformation: Methods, Processing and Properties - PDF
نویسندگان: خلاصه: All materials are composed of atoms. Depending on the order in which the atoms are arranged with one another, solid material can be classified into crystalline and noncrystalline or amorphous materials. In crystalline materials, the atoms are arranged in a repetitive or periodic array over large atomic distances, while in amorphous materials this long-range atomic order is absent. The crystalline metals with different crystal structures, such as face-centered cubic, hexagonal closed pack, or bodycentered cubic, are divided into two categories: single crystal and polycrystalline.
Molding Simulation: Theory and Practice - Original PDF
نویسندگان: خلاصه: This practical introductory guide to injection molding simulation is aimed at both students and practicing engineers. It offers ways to innovate and improve part design and molding processes, which are essential for efficient manufacturing. This user-friendly book uses a case-study-based approach that is enhanced by many illustrations in full color. The book is divided into three parts. Part I introduces the fundamentals of injection molding, focusing on the factors governing molding quality and how molding simulation methodology is developed. Part II introduces CAE verification of design, a valuable tool for both part and mold designers. Part III introduces research and development in innovative molding, illustrating how CAE is applied to advanced molding techniques.
Thermoforming - Improving Process Performance - Original PDF
نویسندگان: خلاصه: This book describes the roll-fed thermoforming process, plastic materials, design of thermoformed products, thermoforming machines, trim presses, mold design, components of a complete mold system, mold layout and machine base design, mold cost estimating, knife-like trim dies, thermoforming offline punch and die trimming
Yorkshire Murders #3 03 The Murder at Redmire Hall - Epub + Converted PDF
نویسندگان: خلاصه: An impossible murder behind a locked door. Can DCI Oldroyd find the key to the mystery? Lord Redmire’s gambling habit has placed him in serious debt. Determined to salvage his fortune by putting Redmire Hall on the map, the aristocrat performs an impossible locked-door illusion on live TV. But as the cameras roll, his spectacular trick goes fatally wrong… Special guest DCI Jim Oldroyd has a front-row seat, but in all his years with the West Riding Police he’s never witnessed anything like this. He sees Redmire disappear—and then reappear, dead, with a knife in his back. As Oldroyd and DS Stephanie Johnson soon discover, nearly everyone at the event had a reason to resent the eccentric lord. But how did the murderer get into the locked room—or out, for that matter? When the only other person who knew the secret behind the illusion is brutally silenced, the case begins to look unsolvable. Because as Oldroyd and Johnson know, it’s [...]
A Yorkshire Murder Mystery #1 - Epub + Converted PDF
نویسندگان: خلاصه: An unpopular victim. An impossible crime. A murderer on the loose. Revised edition: Previously published as The Body in Jingling Pot, this edition of The Body in the Dales includes editorial revisions. A body is discovered deep in a cave beneath the Yorkshire Dales. Leading the investigation into the mysterious death are experienced DCI Jim Oldroyd and his partner DS Carter, a newcomer from London. The deceased is Dave Atkins, well known throughout the village but not well liked. While there is no shortage of suspects, the details of the crime leave Oldroyd and Carter stumped. How did Atkins’s body end up in such a remote section of the cave? When someone with vital information turns up dead, it becomes clear that whoever is behind the murders will stop at nothing to conceal their tracks. Oldroyd and his team try to uncover the truth, but every answer unearths a new set of questions. And as secrets and lies are exposed within the close-knit community, the mystery [...]
Daughters of Men - Epub + Converted PDF
نویسندگان: خلاصه: After a lifetime of hiding her extrasensory abilities, a single mother realizes she is not the oddest person in Wilmington; but when protecting those she loves requires trusting the stranger sent to identify deviant humans, are her abilities—and his loneliness—worth risking the destruction of other realities?
The Killer's Son - Epub + Converted PDF
نویسندگان: خلاصه: Blood and tears… better hide your fears. Fresh off of bringing down the mastermind of a global criminal network, FBI agent Darcy Hunt is called upon by the Director of the FBI to look into the disappearance of a federal judge. Armed with her characteristic zeal, Darcy is led down a dark and twisted trail of half-truths and daunting revelations, making her question the veracity of some of our nation’s most prominent leaders. Meanwhile, Marvin Hess and Toby Parsons remain deep in the shadows, patiently planning their endgame, waiting for the perfect moment to strike their final blow. Weary and tired of waiting on the sidelines in the search for her sister, Darcy turns to an unlikely friend for leads, wagering her entire career against a fervent search for her sister. The crosshairs were set on her long ago. Now they are zeroing in. Few will be left standing at the end of a twisted game where there are no winners, only the dead and the undead. M.F
Killer Encore - Epub + Converted PDF
نویسندگان: خلاصه: 𝐈𝐧 𝐚 𝐩𝐬𝐲𝐜𝐡𝐨𝐩𝐚𝐭𝐡’𝐬 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞, 𝐫𝐞𝐯𝐞𝐧𝐠𝐞 𝐢𝐬 𝐭𝐡𝐞 𝐞𝐧𝐜𝐨𝐫𝐞. Moments after FBI Special Agent Stella Knox briefs the Nashville Violent Crime Unit on her father’s murder, the teams’ supportive camaraderie is replaced with horror when a stranger calls to tell Agent Martin Lin he’ll never see his sister again. A trip to Martin’s apartment confirms the situation is real. Jane, who was visiting her brother, has disappeared without a trace. As Stella and the rest of the team try to connect the dots between video footage showing Jane leaving a local liquor store before vanishing, their only clue is a bloody piano tuner. On the heels of their last murder case involving The Pianist, it seems like a bizarre coincidence. But when Jane’s body is found decapitated, accompanied by a grisly message for the FBI, it’s clear this crime is personal. There’s just one question... Who's next? Suddenly hurled into every FBI agent’s [...]آیا کتاب مورد نظر هنوز بر روی سایت قرار نگرفته است؟ جای نگرانی نیست! کافی است بر روی گزینه سفارش کتاب کلیک کرده و درخواست خود را ثبت کنید. در کمتر از چند ساعت کتاب شما را آماده خواهیم کرد.