查询词典 primary and secondary

Plant secondary metabolites are the products of interaction of plant and environment, which including primary compounds of terpenes, alkaloids, flavones, steroids, phenols, etc.

植物的次生代谢物质是植物与环境相互作用的产物，是植物建立起来的用以抵抗植食者及病原菌侵害的化学防御机制。

All compressors have an oil sump heater with primary external motor temperature protection and internal, secondary motor temperature protection.

所有的压缩机带有一个油箱加热器以及外部主驱动马达和内部二级马达的温度保护装置。

Herbs annual or perennial. Roots fibrous or woody; primary root with few secondary rootlets or rhizomes and with few fleshy adventitious rootlets.

一年生或多年生草本根纤维状的或木质；主根具很少次生细根或根状茎和具很少肉质的不定的细根。

Two kinds of new on-line monitoring methods, which are based on measuring primary, secondary currents and voltages to calculate the short-circuit reactances of windings for detecting the deformation windings of power transformer, are proposed in the paper. The methods used for on-line measuring the short-circuit reactances of traction transformer in electric railways, are designed.

本文提出了两种在线监测变压器绕组变形的方法，通过在线监测变压器绕组原、次边的电压和电流量，实时计算变压器绕组的短路电抗来判断变压器绕组变形情况，并对电气化铁路主要接线型式的牵引变压器绕组变形的在线监测方案进行了设计。

The preterists claim that John's prophecies found their primary fulfillment with the fall of Rome (A.D. 476) and that secondary fulfillments of a generic nature run throughout the church age.

宣称：他们发现约翰的预言首先应验在西元476年罗马的秋天；其次，一般性预言的应验是运行在教会的时代。

With an open-to-buy attitude. And then generate income through those PREsold visitors (i.e., monetize) using the low-risk affiliate model -- as a primary source of income (if you have no product or service of your own to sell) or as a profitable secondary source.

拥有一个许购定额态度，通过那些访问者的预售然后产生收入，访问者使用低风险的联合营销模式，就像一个原始来源收入，(如果您没有产品或者您拥有的服务销售)或是像一个有利益的二次收入。

Results The mixture of 3 % mannitol and 3 % sucrose could better prevent nanoparticles from aggregating, the optimal lyophilization process was followed: precooled at –45 ℃ for 12 h; primary drying at –35 ℃ for 1 h; secondary drying at –20 ℃ for 12 h; finally drying at 10 ℃ for 3 h.

结果 处方中加入质量分数为3 %的甘露醇水溶液和质量分数为3 %的蔗糖水溶液作为保护剂可以较好防止纳米粒的聚集，优化的冻干工艺为-45 ℃预冻12 h，升温至-35 ℃维持1 h，再升温至-20 ℃维持12 h，最后升温至10 ℃维持3 h。

However,the freeze-drying process provides a new way to solve this problem. The process was conducted the way a sample is precooled to-30℃,and the shelf temperature during primary drying is set to-30℃,which during secondary drying is set to 15℃.The time required for the whole freeze-drying process is a...

将样品预冻到-35℃后，一次干燥时搁板温度控制在-30℃，二次干燥时搁板温度控制在+15℃，整个冻干过程在25小时的工艺下，通过改变脐带血中冻干保护剂组分及浓度，比较冷冻干燥后有核细胞的恢复率，得出恢复率最高(68.397%)的配方(40%PVP+30%海藻糖+10%甘露醇)，并比较了细胞冻干前后的形态，然后将样本在常温下放置三周后进行了P I染色活性检测(89.08%)。

The main primary provenance of placer gold are rock gold deposits. The tributary gold placers and weathering crust of free gold-bearing are prime secondary sources.

提出砂金成矿主要原生物源是岩金矿，次生物源中以含游离金的风化壳及支谷砂金矿为主。

Heating projects, commonly used is clearly one gate valve wedge bar (Z41H-16C) and dark pole wedge single slide valve (Z45T-10), the former station mounted on the primary side of heat, which is installed thermal station in the secondary side.

供热工程中，常用的是明杆楔式单闸板闸阀(Z41H-16C)和暗杆楔式单闸板闸阀(Z45T-10)，前者装在热力站内一次侧，后者装在热力站内二次侧。

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。