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"James, Gregory"
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Who was Jules Verne?
\"Meet the father of science fiction, Jule Verne. Born in France in 1828, Jules Verne always dreamed of adventure. At age 11, he snuck onboard a ship headed for the Indies only to be discovered by his father and have his dreams dashed. After his father made him swear to only travel \"in his imagination,\" Verne kept his promise for the rest of his life. He began writing adventure stories as a young man and became a popular writer throughout France. Known for mixing scientific discovery and literature in his books like Twenty Thousand Leagues Under the Sea and Around the World in 80 Days, Verne is often called \"The Father of Science Fiction.\"\"-- Provided by publisher.
Book
Step Response Characteristics of Polymer/Ceramic Pressure-Sensitive Paint
Experiments and numerical simulations have been used in this work to understand the step response characteristics of Polymer/Ceramic Pressure-Sensitive Paint (PC-PSP). A recently developed analytical model describing the essential physics in PC-PSP quenching kinetics is used, which includes the effect of both diffusion time scale and luminescent lifetime on the net response of PC-PSP. Step response simulations using this model enables an understanding of the effects of parameters, such as the diffusion coefficient of O2 in the polymer/ceramic coating, attenuation of excitation light, ambient luminescent lifetime, sensitivity, and the magnitude and direction of pressure change on the observed response time scales of PC-PSP. It was found that higher diffusion coefficient and greater light attenuation lead to faster response, whereas longer ambient lifetime and larger sensitivity lead to slower response characteristics. Due to the inherent non-linearity of the Stern-Volmer equation, response functions also change with magnitude and direction of the pressure change. Experimental results from a shock tube are presented where the effects of varying the roughness, pressure jump magnitude and luminophore probe have been studied. Model parameters have been varied to obtain a good fit to experimental results and this optimized model is then used to obtain the response time for a step decrease in pressure, an estimate of which is currently not obtainable from experiments.
Journal Article
Who was Jesse Owens?
Describes the life of the sharecroppers' son who became an Olympic legend and challenged Hitler's dream of Aryan superiority.
Book
Dynamic Mode Decomposition of Fast Pressure Sensitive Paint Data
Fast-response pressure sensitive paint (PSP) is used in this work to measure and analyze the acoustic pressure field in a rectangular cavity. The high spatial resolution and fast frequency response of PSP effectively captures the spatial and temporal detail of surface pressure resulting in the acoustic pressure field. In this work, a high-speed camera is used to generate a continuous time record of the acoustic pressure fluctuations with PSP. Since the level of the acoustic pressure is near the resolution limit of the sensor system, advanced analysis techniques are used to extract the spatial modes of the pressure field. Both dynamic mode decomposition (DMD) and proper orthogonal decomposition (POD) are compared with phase averaging for data analysis. While all three techniques effectively extract the pressure field and reduce the impact of sensor noise, DMD and POD are more robust techniques that can be applied to aperiodic or multi-frequency signals. Furthermore, DMD is better than POD at suppressing noise in particular regions of the spectrum and at effectively separating spectral energy when multiple acoustic excitation frequencies are present.
Journal Article
Who was Seabiscuit?
Describes the life and accomplishments of the race horse Seabiscuit, who thrived with a loving jockey and trainer and won the hearts of millions around the country.
Book
The southern diaspora : how the great migrations of Black and White Southerners transformed America
Talks about the southern exodus and its impact on American life. Between 1900 and the 1970s, twenty million southerners migrated north and west. Weaving together for the first time the histories of black and white migrants, James N. Gregory traces their paths and experiences in a comprehensive new study that demonstrates how this regional diaspora reshaped America by \"\"southernizing\"\" communities and transforming important cultural and political institutions. Challenging the image of the migrants as helpless and poor, Gregory shows how both black and white southerners used their new surroundings to become agents of change. Combining personal stories with cultural, political, and demographic analysis, he argues that the migrants helped create both the modern civil rights movement and modern conservatism. They spurred changes in American religion, notably modern evangelical Protestantism, and in popular culture, including the development of blues, jazz, and country music. In a sweeping account that pioneers new understandings of the impact of mass migrations, Gregory recasts the history of twentieth-century America. He demonstrates that the southern diaspora was crucial to transformations in the relationship between American regions, in the politics of race and class, and in the roles of religion, the media, and culture.
eBook
أعرف أي شيء من أي شخص في أي وقت : أسرار طرح الأسئلة المدروسة من محقق مخضرم
جيم من أفضل المدربين على طرح الأسئلة في هذا المجال. أسلوب جيم في طرح الأسئلة سوف يساعد الناس في كل مجلات الحياة؛ فهو ممتاز في التحدث إلى شخص ما كي يصل إلى السبب الأساسي للمشكلة، وفي جمع المعلومات عن الموقف، وفهم حافز الشخص الآخر في المحادثة بشكل أفضل)) -جريج هارتلي، مؤلف مشارك في كتاب لغة الجسد كيف تقرأ الأفكار والنوايا الخفية لكل شخص وكتاب كيف تكشف الكذاب إن سر العثور على أي شيء تريد معرفته بسيط بشكل مذهل : أطرح أسئلة جيدة. معظم الناس يسيرون في رحلة الحياة وهم يسألون أسئلة سيئة من مدرسين وأصدقاء، وزملاء عمل، وزبائن، وعملاء محتملين، وخبراء، ومشتبه بهم. حتى الأشخاص المدربون على طرح الأسئلة مثل الصحفيين والمحامين، عادة ما يطرحون أسئلة لا تستخرج إلا إجابات جزئية أو مضللة. يستفيد الناس في أي مهنة في الحال عن طريق تطوير مهارة وفن طرح الأسئلة الجيدة. سيعطيك اعرف أي شيء من أي شخص في أي وقت القوة على: تحديد أساليب الطرح الجيد للأسئلة وممارستها. التعرف على أنواع الأسئلة التي ينبغي تجنبها. معرفة الأسئلة المطلوبة عند سماع تقارير غير مؤكدة أو إشاعات. ممارسة تقنيات الإنصات الجيد واستغلال كل الخيوط. تحديد وقت وكيفية التحكم في المحادثة. اكتساب الخبرة الحقيقة بسرعة. المؤلف جيمس أو. بآيل هو أيضاً محقق استراتيجي داخل أوساط التحقيق المهنية - وهذا يعني أنه لا يوجد حوله من هو أكثر منه في طرح الأسئلة والحصول على الأجوبة. وقد كان يدرب محققين آخرين ومستجوبين على طرح الأسئلة منذ 1989.
BOOK
Algae-Produced Pfs25 Elicits Antibodies That Inhibit Malaria Transmission
Subunit vaccines are significantly more expensive to produce than traditional vaccines because they are based primarily on recombinant proteins that must be purified from the expression system. Despite the increased cost, subunit vaccines are being developed because they are safe, effective, and can elicit antibodies that confer protection against diseases that are not currently vaccine-preventable. Algae are an attractive platform for producing subunit vaccines because they are relatively inexpensive to grow, genetically tractable, easily scaled to large volumes, have a short generation time, and are devoid of inflammatory, viral, or prion contaminants often present in other systems. We tested whether algal chloroplasts can produce malaria transmission blocking vaccine candidates, Plasmodium falciparum surface protein 25 (Pfs25) and 28 (Pfs28). Antibodies that recognize Pfs25 and Pfs28 disrupt the sexual development of parasites within the mosquito midgut, thus preventing transmission of malaria from one human host to the next. These proteins have been difficult to produce in traditional recombinant systems because they contain tandem repeats of structurally complex epidermal growth factor-like domains, which cannot be produced in bacterial systems, and because they are not glycosylated, so they must be modified for production in eukaryotic systems. Production in algal chloroplasts avoids these issues because chloroplasts can fold complex eukaryotic proteins and do not glycosylate proteins. Here we demonstrate that algae are the first recombinant system to successfully produce an unmodified and aglycosylated version of Pfs25 or Pfs28. These antigens are structurally similar to the native proteins and antibodies raised to these recombinant proteins recognize Pfs25 and Pfs28 from P. falciparum. Furthermore, antibodies to algae-produced Pfs25 bind the surface of in-vitro cultured P. falciparum sexual stage parasites and exhibit transmission blocking activity. Thus, algae are promising organisms for producing cysteine-disulfide-containing malaria transmission blocking vaccine candidate proteins.
Journal Article
The Chinese Mariners of the First World War
Gregory James Ph.D. (Exon), F.R.Hist.S., lives in retirement in Hong Kong, after a career in teaching there, as well as in India, Iran and the UK.
作者榮獲埃克塞特大學博士頭銜，也是皇家歷史學會會士。他曾在 香港、印度、伊朗及英國各地從事教學工作多年，現居香港過其退 休生活。
Journal Article