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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Under a kind of utility function and production function, we prove that these conditions are satisfied and the economy at least has an optimal growth path.
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This article sets out to demonstrate that every economy at a specific time has its inherent, quite definite, rate of inflation.
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An iron rectangle of the state, the ruling party, local factions, and conglomerates have gradually dominated Taiwan's political economy at the expense of distributional equality and economic efficiency.
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In a profit-oriented economy, capital accumulation is a prime driving force, and non-growth for the economy at large tends to result in serious economic and social crises.
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In the end of the 1990s, it could be identified that remarkable structural changes took place in city economy at large as well as individual industrial sector.
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| | The injurious insects of cotton of this province, however, have not hithertobeen carefully studied, especially the pink bollworm, which annually reducesthe cotton production by 10 to 30 per cent. The present authors spent twoyears in observing the life history and habits of this insect, in attempting tofind some effective control measures. The result is herewith summarized :- 1. In the vicinity of Wu-chang, the pink bollworm has three generationsa year. The first generation occupies May and July. The second... | | 红铃虫在南方棉区为害棉花相当严重,除去脱落蕾铃外,僵黄花率为10—30%,我们针对这个严重问题,进行了红铃虫生活史的观察研究与防治方法试验,写出初步结果,提供防治参考。 1.红铃虫在华中武昌棉区一年有三代。第一代羽化在5至6月,7月中旬为第二代;8月下旬为第三代;第一代的蛹和幼虫所需时期均较第二、三代长。 2.成虫白天不活动,夜晚7时以后无风天气活跃最盛,产卵以在青铃上及花萼上为最多。孵化后三十多分钟即钻入棉桃内为害,4天即侵入棉籽内取食,10天棉瓤纤维呈僵黄状,半月后幼虫即可老熟(第三代的)。 3.田间防治红铃虫以10%滴滴涕硫磺粉喷三次效果显著,在后期棉虫严重地区可结合防治叶跳虫卷叶虫等同时进行。 4.籽花内的幼虫在群众家里及晒花时逃出84%,因此指导群众将籽花堆上加覆盖物,再结合帘架晒花是消减过冬红铃虫最经济有效的办法。 4.防治仓库越冬红铃虫以50%可混性滴滴涕1:30倍水溶液杀虫效果最佳。30天内死亡率达91%.6.5%可混性666(1:20)死亡率为63%。但是1:100倍的水溶液杀卵效率高到99.4%。稀释万分之一的E605为97.7%。50%可混性滴滴涕1:100杀卵率为64.2%... | | 文摘来源 | | Experiments concerning the translocation of Systox of different concent-rations for the control of cotton aphids by means of water culture, seed treat-ment, soil application and spraying were conducted both in the greenhouseand field. Data are given which show that toxicants may be taken up byseeds, roots or leaves of cotton. A very good control of cotton aphids resultedin using soil application of 0.25% Systox water emulsion (about 2 catties ofBayer's concentrate per mou) for which the moderate toxicity is... | | E1059应用于棉花防治棉蚜的试验是分别在温室及田间进行的。无论浸种、水培、灌溉、喷射,它都有内导作用。此即说明棉花的种子、根或叶的组织都可吸收药液。随体液传输全体,使棉蚜产生内毒作用。从药效保持期来看,以药液灌溉最为持久。在温室内0.25%处理可保持66天;在田间(用1:400的稀释液。每亩800斤的用量)可以保持23天,如何使这个初步结果经济有效的应用於生产实践上,还需从多方面作最大的努力。 | | 文摘来源 | | Owing to the deficiency of lysine in zein, the hydrolysate of this protein was used as the main source of amino acids in the preparation of the medium for microbiological estimation of lysine using Lcuconostoc mcsentcroides P-60. as the test ing microorganisms. Suitable quantities of tryptophane, arginine, cystine, glycine and serine were used to supplement the medium.The maximum rate of acid production by the microorganism in this medium is much higher than that in the medium used by Horn et al for the sam... | | 本文介绍微生物法测定赖氨酸所用的一种经济培养基。其大部分氨基酸系由玉米胶蛋白水解物供给。补充的氨基酸为精氨酸、甘氨酸、色氨酸、胱氨酸和丝氨酸。 实验结果证明,用玉米胶蛋白作培养基,以测定食物中赖氨酸的含量时,可获得较稳定的结果和满意的收回率。用本培养基测定一般食物中赖氨酸的含量与用其他培养基测定的结果符合,故本培养基可以用于食物中赖氨酸的测定。 | | 文摘来源 | |   | | << 更多相关文摘 |
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