sustained yield是什么意思

用法例句

Studies on Retention of Carotene in Instant Complex Beverage of Carrot and Soybean;

胡萝卜、大豆复合饮料中胡萝卜素保存率的研究

Effects of Combined Instantaneous High-pressure and Medium Temperature on Retention of Total Vitamin C in Wax Gourd Juice;

中温协同瞬变高压加工对冬瓜汁总Vc保存率的影响

In this article, effects of blanching time、treatment with pectinase、 deairing technology、sterilization technology and some other common factors on the retention of β carotene in Lycium during juice processing were studied and the optimum combination was made.

研究了枸杞鲜果制汁过程中热烫、果胶酶处理、脱气工艺、杀菌工艺及一些常见影响因素对β－胡萝卜素保存率的影响，并对制汁工艺进行了优化组合。

The outcomes of provincial reexamination of the project of forest rehabilitation from slope agriculture during the years of 2000 to 2005 indicated that the task of each year of this project completed well,area check rate and conservation rate were good,and area qualification rate improved continuously.

2000~2005年退耕还林工程省级复查成果表明,云南省退耕还林工程历年任务完成率高,面积核实率、保存率较好,面积合格率不断提高。

taiwanensis can raise survival and conservation rate.

黄山松嫁接是快速营建黄山松无性系嫁接种子园的关键技术,黄山松嫩枝嫁接可提高成活率和保存率。

The survival rate and conservation rate of planting can be effectively increased by using these measures reasonably.

通过针对盐碱地区公路绿化采取综合栽植技术措施,可有效提高绿化栽植的成活率和保存率。

According to the survival rate,over-winter preserving rate,phenology and growth situation of the introduced seedlings,the seedlings growth performance of Prunus×Cistena Pissardii ,Ailanthus altissima.

通过对苗木栽植后的成活、越冬保存、物候、生长等情况进行分析,前期的试验结果初步表明:紫叶矮樱、红叶臭椿、金枝国槐3个树种的生长表现好,其苗木的保存率高,枝条抽干率低;美国红枫、金脉连翘、金叶接骨木、美国红栌、黄瑞木、红花七叶树、北海道黄杨的枝条抽干率较高,表现一般;金边黄杨、金叶小檗、金叶连翘的保存率低,表现较差。

,the results show that the planting preserving rate of 4-year-old Pinus sylvestris var.

通过在黑龙江省宾县退耕还林区中应用保水剂的试验研究,结果表明:应用保水剂使4年生樟子松造林保存率平均比对照提高8个百分点,土壤含水量比对照提高23。

on the effect of survival,preserving rate,growth increment of tree height and DBH,the results showed that pits land preparation could increase the forestation survival and preserving rate,and could increase effectively the growth of Pinus sylvestris var.

在黑龙江省半干旱地区通过全面整地、开沟整地、穴状整地和不整地对樟子松、云杉、落叶松和银中杨的造林成活率、保存率以及树高和地径生长量影响的试验研究,结果表明:开沟整地可大大提高针叶树的造林成活率和保存率,同时可有效提高樟子松和云杉的林木生长量。

The results show that the survival rate of mother stem decreases gradually with the seedling number per group and is lower in group-planting than in single-planting but there are no significant differences among the various treatments;that all survival rates of clump at different levels of groupplanting are 100%,higher than that of single.

结果表明:①母茎保存率随丛栽株数的增加而降低,且均低于单株种植时的母茎保存率,各丛栽水平间的差异未达显著水平;藤丛保存率均达到100%,高于单株种植时的保存率。

According to the localization observation of Poplar forest on an identical beach in different elevation,the Poplar afforestation survival rate and the timber growth volume reduces with the increase of flooded along and the reduce of the beach elevation.

根据同一滩地、不同高程杨树林一个轮伐期的定位观测,杨树造林保存率和材积生长量均随滩地高程降低、淹水时间增加而减小。

9 cm,crown width was 123 cm and 136 cm,survival rate was 83.

对天水地区两个品种大果沙棘的保存率、生长状况进行了分析。

The Study on Technology of Improving Survival and Preserve Rate of Afforestation of Picea Mongolica;

提高沙地云杉造林成活率和保存率技术的研究

Selenium Enrichment in Vegetables and the Effects of Processing Parameters;

高有机硒保存率蔬菜富集和加工机理研究

Experiment on the Preservation Rate of Afforestation by Different Grades of Seedlings of Spruce

不同等级云杉苗木造林保存率试验结果与分析

The Preliminary Study on Dynamic of the Grass Preservation Rates in Xilinguole Grassland in the Cold Season

锡林郭勒草原冷季牧草保存率动态研究

After fermentation, the total flavonoids survive by 92.76%, free flavonoids ascend by 20% compared with AP.

经过发酵，苹果渣总黄酮保存率为92.76％，游离型黄酮的含量升高20％。

The viability test is a key step in cryopreservation.

鉴定存活率是超低温保存技术中的重要环节。

Only 30%resting spores could survive for 60 days in low temperature and dar.

孢子在低温和暗中保存2个月，存活率仅30％。

The demand deposit interest rate remains unchanged at 0.81 percent.

活期存款利率保持不变，仍为0.81%。

The using for Reference of Foreign Deposits Premium Rate and Its Statistical Research;

国外存款保险费率的借鉴与统计研究

Optimal Investment Policies for an Insurer Facing Different Interest Rates for Saving and Borrowing;

不同存贷利率下保险盈余的最优投资问题

Reasonable choice of computation pattern on the premium of deposit insurance by referring to the foreign experiences;

我国银行存款保险费率计量模式的合理选择

On the Proof of Lipschitz Properties of a Class of Probabilistic Type Operators;

关于一类概率型算子的Lipschitz性质保存性的证明

Optimization of Multi-echelon Repairable Item Inventory Systems with Fill Rate as Objective

基于备件保障概率的多级库存优化模型

a most haphazard system of record keeping; slapdash work; slipshod spelling; sloppy workmanship.

最随便的档案保存系统；草率的工作；粗心的拼写；草率的工艺。

On The Deposit Insurance Pricing Models :A Comparative Analysis of Regimes of Single Premium Rate and Differential Premium Rate;

存款保险费定价模式选择:单一费率制和差别费率制的比较分析

Cryopreservation of Two Diatoms by Encapsulation-dehydration --How Does the Pre-culture Influence onAlgal Viability After Cryopreservation;

用包埋脱水法冰冻保存两种硅藻——预培养对包埋脱水法冰冻保存两种硅藻存活率的影响

Primary study of the biologic activity of effector cells which in vitro amplified from human peripheral blood lymphocyte

外周血淋巴细胞体外扩增后不同保存条件下存活率的变化

Keeps inventories as low as possible to adequately supply the operation‘ s needs and maximise inventory turnover and space utilisation.

保证库存量满足酒店运行所需物资的充裕底线，优化仓库面积使用率并且使存货周转率最大化。