缅甸玉美人

一直对缅甸有一种神秘的向往．那是怎样的一片神奇地土哟！在不足70万平方公里的土地上，居然汇集了如此之多的天地精华，真不知上苍为什么眷顾那一方热土，且不说安达曼湾硕大圆润的南洋珠，以鸽血红红宝石为代表，集中了多少珍贵宝石品种的抹谷，更有那缅北丛林密布的山区竟然蕴藏着世界上最具诱惑最具挑战的翡翠，而且是地球上的唯一产地，翡翠的神秘和美丽流传在云南边地老艺人     

一个纺织国企的“蜕变”之路 斯得福:酒店温馨美如斯

据统计,到2015年,国内将新增各类住宿设施约20万家,其中星级酒店约1万家,五星级酒店将超过500家,对休闲度假酒店的需求也将成倍增长。这些对酒店纺织品行业来说,都是滚滚的商机。     

菜篮子,让人欢喜让人忧

白色风波过后“,菜篮子”走进了千家万户,牵动着千家万户的“菜篮子工程”,也始终被各级政府列为重中之重。如今,我国食品供应越来越丰富,老百姓的菜篮子已装得满满当当,老百姓的生活水平得到了相当大的提高。然而,还有一些不尽人意的地方,老百姓渐渐丰富的“菜篮子”在装进喜悦的同时,也装进了担忧……因为,我们每天所能见到的绿油油的新鲜蔬菜,却有一些与“绿色”本质完全相反的东西,足以危害我们的健康。蔬菜的污染问题已严重的影响了人们的生活质量。例如近年来,癌症的发病率越来越高,且日趋年轻化,这很大程度上与食用受污染的蔬菜有关…     

糖酒会 冰火两重天

作为国内食品行业的一大盛会,2011春季全国糖酒会于2011年3月25日在成都新世纪会展中心开幕,这是糖酒会历史上的第84届大会,也是成都承办的第22届糖酒会。据统计．本届糖酒会实际展览面积13万平方米,中外参展企业达6000多家,糖及糖制品成交总额为5776亿元,酒类成交总额为120.87亿元,罐头类成交总额为16．22亿元．食品机械类成交总额为2.75亿元。     

葡萄果肉与果皮一样有助于心脏健康

意大利和美国的研究人员称,葡萄的果肉和果皮同样含有对心脏有益的物质,这个结果可能对原先提出的红葡萄比白葡萄对心血管具有更好的保护作用的说法是一种挑战.     

菜蓝子让人欢喜让人忧

白色风波过后，“菜篮子”走进了千家万户，牵动着千家万户的“菜篮子工程”也始终被各级政府列为重中之重。如今，我国食品供应越来越丰富，老百姓的菜篮子已装得满满当当，老百姓的生活水平得到了相当大的提高。然而，还有一些不尽人意的地方，老百姓渐渐丰富的“菜篮子”在装进喜悦的同时，也装进了担忧……因为，我们每天所能见到的绿油油的新鲜蔬菜，却有一些与“绿色”本质完全相反的东西，足以危害我们的健康。     

再生聚酯及其产品与市场

再生涤纶短纤的国内外市场需求情况,从德国之声报道的德国塑料瓶变成中国毛衣的事情上,可见一斑.德国市场上每年流动800多万个聚酯瓶子.垃圾回收公司收去这些瓶子,压成团或粉碎成片,然后以相对较高的价格出售给中国.在中国的工厂里,这些聚酯原料被按色分类,切成碎片熔化,然后纺丝制成再生涤纶.经过一系列加工后,聚酯瓶子以纺织品的形式返回德国,在德国销售.这里体现的价值创造是巨大的:一件合成粗呢毛衣价格在50～100欧元之间,而所用材料只相当于32欧分.     

Marker-assisted selection can reduce true as well as pedigree-estimated inbreeding

This study investigated whether selection using genotype information reduced the rate and level of true inbreeding, that is, identity by descent, at a selectively neutral locus as well as a locus under selection compared with traditional BLUP selection. In addition, the founder representation at these loci and the within-family selection at the nonneutral locus were studied. The study was carried out using stochastic simulation of a population resembling the breeding nucleus of a dairy cattle population for 25 yr. Each year, 10 proven bulls were selected across herds along with 100 dams from within each of 40 herds. Selection was performed using BLUP, marker-assisted, or gene-assisted selection for a trait with low heritability (h² = 0.04) only expressed in females, mimicking a health trait. The simulated genome consisted of 2 chromosomes. One biallelic quantitative trait loci (QTL) with an initial frequency of the favorable allele of 0.1, and initially explaining 25% of the genetic variance as well as 4 markers were simulated in linkage disequilibrium, all positioned at chromosome 1. Chromosome 2 was selectively neutral, and consisted of a single neutral locus. The results showed that in addition to reducing pedigree-estimated inbreeding, the incorporation of genotype information in the selection criteria also reduced the level and rate of true inbreeding. In general, true inbreeding in the QTL was greater than pedigree-estimated inbreeding with respect to both the level and rate of inbreeding, as expected. Also as expected, true and pedigree-estimated inbreeding in the neutral locus were the same. Furthermore, after 25 yr, or approximately 5 generations, the pedigree-estimated level of inbreeding was reduced by 11 and 24% compared with BLUP in gene- and marker-assisted selection, respectively, and the level of true inbreeding in the QTL was reduced by 22 and 13%, respectively. The difference between selection scenarios was found to be caused by a larger number of founders being represented at the QTL when using genotype information in the selection criteria. This in turn was caused by an increased selection of individuals sharing the favorable QTL allele rather than individuals sharing genes on average, which was shown by a higher Mendelian selection differential in the QTL. Hence, even though the selection pressure was increased at the QTL, more variation was retained. The results suggest that marker-assisted selection is a useful selection strategy.     

印刷中应努力减少喷粉的使用量

在印刷中,使用喷粉是为了防止产品背面蹭脏。现在许多先进的印刷设备,已淘汰了喷粉装置,而采用三组式烘干方式,即：两组红外、一组紫外。目前我们国内的印刷设备,大部分还都是红外加喷粉或只有喷粉装置。通常在生产中遇到墨层厚、暗调面积大的时候,印刷操作者总是希望把粉量放得大一些,这样产品就不会因为背面蹭脏而报废,但往往忽视粉量应尽可能小这个问题。其实,粉量过大也会带来很多危害。1.粉量过大,在正反印时,由于正面粉量过大,会直接影响印反面时的班产量。严重时每几百张就需要清洗一次橡皮布。产品还会因此出现墨色不稳…     

彩蝶飞舞

今年,蝴蝶这一经典元素再次受到时尚界的宠爱。设计师经过奇思妙想后创造出来的蝴蝶,千姿百态、各具特色。服装、裙摆、包包,甚至是粉饼盒、发夹、项链,到处都有蝴蝶飞舞的身影,让置身秋冬的你我仿若春天般的明媚。     

生物聚合物用作粘合剂

热塑性可生物降解的粘合纤维可用于代替天然纤维绝缘非织造织物。可生物降解的聚合物材料 ,由于是以可更新原料或以石油化学原料为材料 ,所以越来越重要 ,被选择用于许多应用领域 ,例如 :包装、农业、速食食品或医药领域。可生物降解材料的研制大约始于 1 5年前 ,目前这些材料正被推向市场。这些材料具有塑料样性质 ,其目标是特殊环境条件下将材料几乎全部降解或完全降解 ,例如生物降解过程、微生物、湿度或热或改变它们的化学结构 ,这说明它们被分解成新陈代谢产品如 :二氧化碳、水和生物物质。生物聚合物可应用的领域是将它们用作天然纤维…     

Food as Security

Concerns over food security have emphasized food while appearing to give less attention to the meaning and significance of security. Consequently, the valuation and perceptions of food have not secured its place at the top of a state’s priorities and at the heart of development. Many states have already bargained food production for resource extraction in their quest for revenues and this bargain is now being made in Laos. Observation and analysis of this process reveal why food consistently comes second to resource extraction, leaving people facing the peril of food insecurity. Valuation and perceptions of food often overlook its special significance as the source of life, sustaining society and its security. Food is as critical to national security as resources such as oil, steel and rubber that often pre-empt it. Food security will improve with the recognition of food as security.     

尽快提高制笔企业的创新能力

在进入 21世纪之际,中国制笔工业面临的一个重要任务是如何把我国从制笔大国进入国际制笔强国的前列。从总体上看,我国制笔工业在国内外市场上已有了一定的竞争能力,笔的品种齐全,笔的总产量已居世界领先地位,是名符其实的制笔大国。但必须看到,与国际先进水平相比亦还存在企业经营观念滞后,绝大多数小企业职工的技术素质低,管理基础工作薄弱,人才严重缺乏等问题。如何尽快改变这一落后面貌,按目前形势,实现创新是一条必经之路。     

猪肉新鲜度评价指标、存在问题及应对措施

介绍了猪肉新鲜度的感官鉴定、肉表面细菌总数、挥发性盐基氮(TVB-N)、pH值、K值、聚胺类化合物及硫化氢(H2S)等几种评价指标,指出猪肉新鲜度评价存在的问题,并提出了相应的解决措施。     

盐水鸭历史文化及加工工艺

简要介绍了盐水鸭的历史文化和加工工艺,并进一步对原料鸭的品种、加工工艺、杀菌和流通方式作了探讨。     

办公室—一个刺激创意的中心

今天欧洲办公家具的设计趋势将是：办公室作为一个刺激创意的中心。伴随着国际互联网与建筑商业环境的改变,现代办公室正在成为知识经济时代的创意中心,越来越多的知识工作者把办公室作为一个刺激创意、生产智力与产生高附加值的场所。所以2008年欧洲办公家具展上发布的设计宣言就是“把办公室作为有创造力的场”,