查询词典 Latin square

The first approach was for an optimization of the design variables of sheet forming with the region of the interest moved across the design space and the uniform latin square designs of experiment.

采用均匀拉丁方试验设计方法提取适当的设计参数样本构造响应面近似模型，并不断通过移动和缩放设计兴趣域优化响应面模型优化反演拉延筋参数。

To study the effects of feeding alfalfa and oil seeds rich in linoleic or linolenic acids on the contents of conjugated linoleic acid and unsaturated fatty acids in milk fat and the metabolic mechanism,nine Holstein cows were used in a 3×3 Latin square with a month period.

选择9头中国荷斯坦奶牛，研究添加富含亚麻酸和亚油酸的油料籽实及首楷对乳脂肪酸中共扼亚油酸和其他不饱和脂肪酸含量的影响，并探讨不饱和脂肪酸的代谢规律。

Eight multiparous Holstein cows in mid lactation were blocked by milk yield (24.3 ± 2.9 )kg/d, parity (3.4±1.1), days in milk (148.5±14)d, similar body weight and heredity composing into two groups of four and randomly assigned to 4 X 4 Latin Square trial with four periods.

本试验选用泌乳中期经产荷斯坦奶牛8头，平均产奶量(24.3±2.9)kg╱d，胎次(3.4±1.1)胎，泌乳天数(148.5±14.0)d，体重无显著性差异，遗传组成基本相似，健康无疾病。

Experiment 2: To choose the appropriate dosage of tannins for the diets in sheep, three High Mountain Fine-wool wethers fitted with permanent rumen fistula were used and the 3 ×3 Latin square design were adopted to study the effects of tannins in Sainfoin on protein protection of the diets, measured items included the rumen metabolic parameters, the appatent digestion of all nutrients and the appatent retention of N in sheep.

试验二：选用3 只安装有永久性瘤胃瘘管的高山细毛羊羯羊，采用3×3 无重复拉丁方试验设计，研究红豆草中单宁对饲粮蛋白质保护的效果，测定项目有绵羊瘤胃代谢参数和饲粮各种养分的消化率与氮存留率，以期初步筛选出绵羊饲粮中适宜的单宁用量，为提高蛋白质饲料的有效利用提供依据。

Four steers weighted 420,aged 2.5 ~ 3,fitted with permanent cannulate in the rumen,were used in 4×4 Latin square design experiment to determine the effect of different selenium sources(natrium selenite and rumen by-pass selenium) and concentration (0、 0.3 、 0.6、 0.9mg/kg) on nutrients metabolism in rumen.

选用4头体重420kg±20kg，装有永久性瘤胃瘘管的2.5～3岁阉牛，按4×4拉丁方设计，在1.3倍维持需要下，喂以3kg混合精料和6kg玉米秸秆，研究日粮中添加不同硒源不同水平(0mg/kg、0.3mg/kg、0.6mg/kg、0.9mg/kg)对瘤胃营养物质代谢的影响。

Three rumen fistulated Holstein cows were used in a 3×3 Latin square experimental design to determine the rumen degradabihty of NDF and ADF of corn silage at premilk stage, milk stage and dough stage and the effect of diets on rumen environment of cows.

用3头装有永久性瘘管的中国荷斯坦牛，采用3×3拉丁方设计对蜡熟期、乳熟期和乳熟前期的玉米青贮的NDF和ADF进行了瘤胃降解率及其日粮对瘤胃发酵内环境的影响进行了研究。

The aim of this study was to examine whether multiple regression analysis technique could be used to measure fecal endogenous outputs and true digestibility of phosphorus in rapeseed meal and soybean meal for growing pigs. 5 Yorkshire × Landrace harrows, with average initial body weight of (21.6±1.43)kg, were allocated to the five experimental diets according to a 5×5 Latin square design. The 5 experimental diets were formulated to contain 5 P level (1.8, 2.7, 3.6, 4.5 and 4.7g/kg), with the rape- seed meal and soybean meal as the mere P source.

为了确定多重线性回归法是否能应用于测定生长猪内源磷排泄量及菜粕和豆粕磷的真消化率，试验选用5头平均质量为(21.6±1.43)kg的健康大白×长白阉公猪为试验动物，采用5×5拉丁方设计，设5个磷水平（1.8， 2.7， 3.6， 4.5和4.79/kg）；日粮以豆粕、葡萄糖、玉米淀粉等为基础，以菜粕为待测植物性饲料，配制半纯合试验日粮，菜粕和豆粕为磷惟一来源。

Methods According to the 4×4 Latin Square design,lytic efficacy was assessed in UK dose[(10 000 U/ml,20 000 U/ml,30 000 U/ml or 40 000 U/ml)]and the timing of Uk infusion(2,4,8,16 h after blood sample taken)and UK lytic time(2,4,8,16 h after UK infusion)in vitro.15 rabbits were subjected to the intracerebral hematoma model for analysing the effect of 2 differents UK dose(10 000 U vs 30 000 U)on brain tissue around hematoma cavity.

目的 探讨尿激酶溶解血凝块的最佳用药剂量、用药时机及药物最佳作用时间，为临床一次性清除血肿提供实验依据。方法采用2个(4×4)拉丁方设计，分析UK剂量[(1万U/ml、2万U/ml、3万U/ml、4万U/ml)]、用药时机(抽血后2、4、8、16 h)和药物作用时间(加UK后2、4、8、16 h)对溶凝效果的影响。

Four goats (42.4±3.5 kg) surgically fitted with cannulas in common bile duct and abomasal were used in 4×4 Latin square design and randomly fed diets contained 20%, 30%, 40% or 50% of starch to determine the effects of rumen escape starch, by altering dietary starch concentration, onα-amylase secretion in goats. Increasing rumen escape starch results in a quadratic increase in pancreaticα-amylase secretion.

活体分泌试验表明，日喂3次情况下，胰胆汁分泌量和α-淀粉酶分泌活性呈非匀速分泌，在饲喂前后1h内最高(P.05)；胰腺α-淀粉酶总分泌活性随随过瘤胃淀粉数量的提高呈二次曲线变化(P.05)，过瘤胃淀粉为102g/d时胰腺α-淀粉酶总分泌量达到最大。

The experiment was designed as a 5×5 Latin square with five Chinese Merino male sheep with rumen and duodenal cannulae to examine the effects of supplementation Tween 80 and Tween 20 on ruminal fermentation and nutrient digestibility. In the experiment, the animals were given a basal diet consisting of compound feed and corn straw.

选取装置永久性瘤胃瘘管和十二指肠瘘管的中国美利奴绵羊，采用5×5拉丁方试验设计，在饲喂玉米秸秆绵羊日粮中分别添加5，10g/d Tween 20或3， 6g/d Tween 80，以空白为对照，以研究不同水平的非离子表面活性剂Tween 20和Tween 80对绵羊瘤胃消化代谢的影响。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。