principal component是什么意思

网络释义

用法例句

The results showed that the drying temperature on the value of sensory evaluation cheese greatest impact,followed by inoculation,sterilization temperatur.

结果表明,干燥温度对奶酪感官评定值影响最大,其次为接种量、灭菌温度和切割pH值。

Removal efficiency of the bacteria to TPH (Total Petroleum hydrocarbon) reached about 80% after 8 days' inoculation, whic.

接种量越大,石油菌数量越多,石油烃降解率随接种量的增加而提高。

Effects of initial temperature,illumination and inoculation on the system temperature,and its duration were obvious,according to variations of system,2000lux illumination,30℃temperature and 40% inoculation were ap- propriate for the biological Hydrogen Production of.

初始温度、接种量和光照强度对系统温度变化有显著影响,从其对温度变化影响看,光合制氢过程中选用初始温度30℃、光照强度2000lux、接种量40%较适宜。

Effect of amount of inoculum on the bioleaching of heavy metals from sewage sludge.;

不同接种量下生物沥滤去除污泥中重金属的研究

The effects of external addition of Fe2+ and the inoculum of the bacteria were studied,and a dissolved mechanism of the marmatite was proposed.

利用摇瓶浸出研究了氧化亚铁硫杆菌在35℃下生物浸出铁闪锌矿的过程,探讨了铁含量和细菌接种量等因素对细菌在矿浆中的生长以及对锌浸出的影响,并对细菌浸出铁闪锌矿的机理进行了分析。

The results achieved are as follows:(1) Different Bursaphelenchus xylophilus inoculum amount were set, through analysis and comparison, for 2-year-old Pinus taiwanensis, 4-year-old Pinus nigra, 4-year-old Pinus massoniana, the optimal inoculum of nematode were 2000 nematodes /plant, 8000 nematodes /plant, 8000 nematodes /plant respectively.

主要取得了如下结果:(1)设置不同松材线虫接种量对松苗接种,通过分析和对比,2年生黄山松、4年生黑松、4年生马尾松的较适接种量分别为2000、8000、8000条/株。

Objective:Cell suspension cultures were established through selection of inoculum size.

方法:研究了接种量、基本培养基、初始pH值、不同碳源对岩黄连悬浮细胞生长的影响。

To validate this hypothesis,the effects of the fluctuations of two culture variables (subculture cycle and inoculum size) on the biomass,anthocyanin biosynthesis,intracellular carbon,nitrogen and phosphate during con.

在每种不同的继代周期和接种量条件下,葡萄细胞在连续10次继代培养过程中的生物量、花青素含量、胞内糖、胞内蛋白及胞内总磷均表现出不同程度的波动。

The effect of mold strain,inoculum size,proportion of different microorganisms and fermenting time on the mold growing stage and the sequent fermentation of Zhejiang rosy vinegar has been studied.

研究了不同霉菌种类、接种量、霉菌比例、冲缸放水时间对浙江玫瑰醋"发花"及后续发酵的影响,提出了一条可行的玫瑰醋纯种"发花"工艺。

The growth and the nutrient consumption in the culture of Trichosanthes kirilowii hairy root were studied for various inoculum concentrations.

为将毛状根用于根类中药材的工业化生产 ,研究了在不同接种量的条件下 ,栝楼 (Trichosanthes kirilowii)毛状根的生长及其对各种营养物质的消耗 ,同时考查了培养液的p H值和电导率的变化。

The effects of liquid volume and inoculum concentration in flasks on the growth and astaxanthin accumulation of Phaffia rhodozyma were investigated.

在摇瓶中研究了不同接种量和装液量对红发夫酵母PhaffiarhodozymaAs2 。

Primary factors affecting pehtze preparation included moisture of tofu, strain quality, process operation, sanitary control and so on.

影响腐乳前期培菌的主要因素有白坯含水量、菌种质量、操作及卫生管理等。

The granularity of coal, inoculation amount of bacteria and additional nitrogen have some effect on desulfurization.

煤样的粒度、菌接种量、加氮源对脱硫有一定影响.

Effect of Inoculated Sludge Quantity on Hydrolysis and Acidification of Waste Activated Sludge

污泥接种量对剩余污泥水解酸化的影响研究

Surveillance of the quality of neonatal BCG vaccination in Beijing

北京市新生儿卡介苗接种质量的监测

Research on a New Type Method of Non-Contact Normal Temperature Measurement;

一种新型非接触常温测量方法的研究

Effects of Promoting Root Matter on the Quality of VA Mycoorhizal Inoculum;

促根剂对VA菌根接种剂质量的影响

Infection of Component and Fertility of Media to the Quality of V_A Mycorrhizal Inoculum;

基质对V_A菌根接种剂质量的影响

Infection of Host Plant to the Quality of V_(A) Mycorrhizal Inoculum;

宿主植物对V_A菌根接种剂质量的影响

THE INFLUENTIAL FACTORS AND STRATEGIES FOR THE CHILDREN VACCINATION QUALITY

儿童预防接种质量的影响因素及对策

A method of access to the inoculation fluid in determination of biochemical oxygen demand

生化需氧量测定中获得接种液的一种方法

In telegraphy, a measure of the ability of the receiving apparatus to copy with timing errors in the received signal.

在电报中，接收设备处理接收信号定时差错能力的一种度量。

An alternate experimental approach which does not require the direct measurement of contact angle appears to be promising.

有一种可选用的试验方法看来很有希望，它不要求直接测量接触角。

An alternate experimedirect measurement of contact angle appears to be promising.

有一种可选用的试验方法，它不要求直接测量接触角，看来很有希望。

There are two methods of disclosing cash flows from operating activities: the direct method and the indirect method.

披露经营活动产生的现金流量有两种方法：直接法和间接法。

Comparison of maximal oxygen uptake by indirect calculation of two step experiments and direct test;

两种台阶实验间接推算和直接测试最大摄氧量的比较

A measure of the ability to distinguish between nearly equal values.

区分接近相等的两个值的能力的一种度量。

Quality Control of Neonatal BCG Vaccination in Harbin

哈尔滨市新生儿卡介苗接种质量控制的研究

The Follow-up Observation for 3-5 Years on Newborns After lnoculation of Small Dosage of HB-Vaccine

新生儿接种小剂量乙肝疫苗后3-5年随访观察

ANALYSIS ON PRODUCTON AND ECONOMIC EFFICIENCY OF INTYODUCED DA-JIE P.armeniaca LINN.IN HOHHOT TERRITORY

呼市地区引种大接杏的产量及经济效益分析