Formula的問題，透過圖書和論文來找解法和答案更準確安心。 我們找到下列問答集和資訊懶人包

National Geographic Readers: Animal Tails (L1/Co-Reader)

為了解決Formula的問題，作者Davidson, Rose 這樣論述：

Why do animals have tails? Parents and kids together will discover unique animals and learn all the cool ways their tails help them move, communicate, and keep safe. This Level 1 Co-Reader takes readers around the world to meet some kid-favorite and new creatures whose tails have remarkable abili

ties. Learn how dolphins use their powerful fins to swim up the Amazon River, why a pangolin uses its scaly tail to curl into a ball, and how a mom and baby spider monkey swing from tree to tree with a fluffy long tail! Each page will dazzle and delight with new and familiar creatures and amazing fa

cts. Fun activity pages allow parents and kids to engage with the content even more while also building their vocabulary. National Geographic Kids Readers have been a hit in the beginning reader category, and this book builds upon that success with a different approach--parents and children reading

together. With the same combination of careful text, brilliant photographs, and fun approach to high-interest subjects that has proved to be a winning formula with kids, National Geographic Co-readers provide one page of adult read-aloud and one page of kid read-aloud text on each spread, building t

oward a collaborative reading experience. So come along for a tale of animal tails and learn what makes them so special!

Formula進入發燒排行的影片

考慮非完全游離針對隨機參雜之電晶體之電流電壓 變異性分析

為了解決Formula的問題，作者曾郁鈞 這樣論述：

根據摩爾定律的延續，電晶體在晶片裡的密度每 兩年即倍增，也因此提升工作時的表現和降低能量的消 耗。而電晶體運作時的電流機制是建立在假設電位和雜質濃度是連續的情況下的飄移 擴散模型。當電晶體隨著科技的進步發展至奈米等級的結構時，許多可靠度的問題 隨機參雜 會因此被放大，甚至破壞 原本漂移 擴散模型的假設。因此在探討這方面的問題前，我們必須要對隨機參雜的雜質做深入的探討，並且發展一個物理模型來解決 此 問題。然而，典型的物理模型卻只能考慮數量對電晶體造成的影響，而無法將雜質位置對電晶體的影響正確地考慮進去。除此之外，在典型的元件模擬中，雜質的游離率都 假設 為 100% 。但實際上在高雜質濃度

的條件下是不符合的。在高雜質濃度的條件下亦會產生能隙縮減的量子效應，進而影響了電晶體的表現。因此，為了要得到更準確的模擬結果，同時考慮這兩項因素是必須的(非完全游離&能隙縮減模型)。然而，此模型是一束縛態問題，而飄移-擴散模型是非束縛態的問題，因此不容易在典型的飄移擴散模型上考慮此模型。在此論文中，我們設計了一套新的方法，可以在飄移-擴散模型的前提下考慮隨機參雜(雜質數目、雜質位置)的影響，且同時計算出雜質的游離率和能隙縮減的量。接著利用蒙地卡羅方法探討在平面電晶體的電流電壓的變異性。

Bounding Numerical Invariants of Algebraic Varieties

為了解決Formula的問題，作者Fyodor Zak 這樣論述：

This book deals with the problem of bounding numerical invariants of nonsingular projective algebraic varieties from a unified point of view. Starting with a new insightful proof of the Castelnuovo theorem, the author proceeds with giving (sharp) bounds for basic numerical invariants (such as Betti,

Hodge, and Chern numbers) of algebraic varieties of arbitrary dimension and classifying the varieties on the boundary. Many important results are proved in several different ways underlining different aspects of the topic. However, studying numerical invariants is just a pretext for the exploration

of the rich and versatile interplay between geometry and topology of projective algebraic varieties which forms the core of the book. A special role in this study is played by the dual varieties and their degrees classically called classes. While making an extensive use of Lefschetz theory (which i

s now also available for varieties over an algebraically closed field of positive characteristic), the author also develops a new variant of Morse theory which yields statements (including bounds) on the level of CW-complexes and provides bounds for the homology of real algebraic varieties. In this

way one also gets stronger forms of some classical results on the topology of projective varieties, such as weak and hard Lefschetz theorems, Hopf type formula etc.A detailed outline of the exciting centennial history of this topic and a list of intriguing open problems contribute to the value of th

e book.The exposition is accessible to students with only basic knowledge of algebraic geometry and topology.

布里斯洛中間體自由基反應機制之理論研究

為了解決Formula的問題，作者謝明修 這樣論述：

含氮雜環卡賓（N-heterocyclic carbene）催化之化學反應中，布里斯洛中間體（Breslow intermediate）扮演重要的催化角色。布里斯洛中間體能以親核基（nucleophile）或自由基（radical）之形式參與反應。本論文探討布里斯洛中間體之自由基特性及形成機制（mechanism），其自由基可從氫自由基轉移或直接氧化形成。安息香縮合反應（benzoin condensation）中，布里斯洛中間體將氫原子轉移至苯甲醛（benzaldehyde）以形成自由基，此自由基可結合形成安息香產物，或排除反應之副產物，使其重新進入催化反應。唯此路徑之反應能障高於傳統非自

由基路徑。此研究亦探討四種布里斯洛中間體之不同電子組態的位能面。其中烯醇鹽（enolate）形式能產生偶極束縛態（dipole-bound state），此為產生自由基之新路徑；拉電子基（electron-withdrawing group）以及立體障礙基（bulky groups）可穩定基態。另外，我們亦研究布里斯洛中間體之碎片化（fragmentation）與重組（rearrangement）。布里斯洛中間體之催化反應可能因其碳氮鍵斷裂而中止，形成碎片。我們證實其反應中可以形成自由基，亦可形成離子。反應趨向之路徑與布里斯洛中間體之羥基的質子化型態有關。碎片化反應亦可視為轉酮醇酶（tran

sketolase）中之噻胺（thiamin）催化反應中之副反應；此研究證實轉酮醇酶透過限制布里斯洛中間體之結構與質子化型態，使其碳氮鍵斷裂需更高之反應能量，進而抑制此副反應。