挥发的

A purge and trap-gas chromatography-mass spectrometry method for determination on the vola- tile organic compounds of materials in contact with food was developed.

本文建立了使用吹扫捕集-GC/MS法对食品接触材料中挥发性有机物进行定性确证分析的方法。

The main volatile aroma constituents of Muscat Hamburg were composed by terpenes, esters, aldehydes, and ketones.

萜类、醛酮类和酯类是玫瑰香葡萄主要的挥发性香气物质。

The quality change was evaluated over a course of 4 weeks for pH, volatile basis nitrogen, peroxide value, thiobarbituric acid reactive substances, free fatty acid, fatty acid and sensory change.

在4周期间内评价鱼干的品质变化，评价指标包括pH值、挥发性盐基氮、过氧化值、硫代巴比妥酸反应物、游离脂肪酸、脂肪酸和感官变化等。

The last-named source is so subject to volatilization loss that it is never applied without soil incorporation Although commonly used in no-tillage crops, applied both at planting and as a sidedress application, some additional care must be exercised because soils tend to be wetter under no tillage and soil should be dry enough to crumble and effectively seal the slit left by ammonia application.

液氨很容易形成氨挥发损失，以至于不与土壤掺混就不能施用。虽然在免耕中也经常施用液氨，但必须特别注意，因为免耕条件下土壤比较湿润，施用时土壤必须足够干燥，使土块容易弄碎以封住施氨时留下的缝隙。

Ordinary solder materials, lead-free solder, the lead-free solder wire, solder paste, solder, the solder wire , high temperature tin, the low-temperature tin-line, lead-free tin-silver, the lead-free tin-silver line, low-temperature lead-free tin line, welding aluminum tin, the tin-aluminum welding wire, welding wire stainless steel tin, aluminum welding flux not stainless steel flux, environmental flux, welding of stainless steel, nickel, special aluminum solder, aluminum flux, aluminum brazing soft agent, paint remover, paint stripping powder (high-temperature paint stripping enameled wire a few seconds), copper aluminum welding, aluminum and aluminum welding, wire flux of new environmental protection (smoke-free and tasteless, non-volatile non-flammable) peaks of water-soluble flux, no-clean rosin flux, no-clean flux, thinners, cleaning agents, plate washer water , clean water machine, special purposes, such as water-soluble flux.

普通焊锡材料，无铅焊锡条、无铅焊锡线、焊锡膏，焊锡条、焊锡线、高温锡条、低温锡线、无铅含银锡条、无铅含银锡线、无铅低温锡线、焊铝锡条，焊铝锡线、焊不绣钢锡线、焊铝助焊剂、不绣钢助焊剂、环保助焊剂、焊不锈钢、镍、铝特种焊料、铝助焊剂、铝的软钎剂、脱漆剂、脱漆粉、铝铜焊接、铝与铝焊接、环保新型线材助焊剂(无烟无味、不挥发不易燃)水溶性波峰助焊剂、免清洗松香助焊剂、免清洗助焊剂、稀释剂、清洗剂、洗板水、抹机水、特殊用途水溶性助焊剂等。

Based on the principle of polyphasic taxonomy, investigation of the phylogenetic relationships of Lachnum and the related genera by using physiological and biochemical characteristics, analysis of esterase isoenzyme, GC-MS analysis of volatile components from fermentation broth and sequence analysis of ITS rDNA was carried out.

2基于多相分类原则，运用生理生化特性、酯酶同工酶酶谱、发酵液挥发性成分GC-MS分析和ITS序列分析的方法，对粒毛盘菌属及其相关类群进行了研究。

They can not only remain tank internal norrnal pressure,but also prevent over pressure or vacuum in tank and reduce liquid volatilization loss in tank

它不仅能维持储罐气压平衡，确保储罐在超压或真空时兔遭破坏，且能减少罐内介质的挥发和损耗。

Volatiles produced by Bacillus subtilis Tpb55 strain inhibited sporulation, mycelial growth and pigment biosynthesis of Alternaria alternata, pathogen of tobacco brown spot.

枯草芽孢杆菌Tpb55菌株挥发性代谢产物对烟草赤星病菌菌丝生长、孢子产生具有抑制作用，并延缓黑色素的产生。

Be sure to check over all of the surfaces for small areas of discoloration before the naphtha solvent has evaporated.

在石脑油完全挥发之前一定要仔细检查整个表面的色差。

However, it has been prove the manufacturing process will result in VOC.

已被证实是空气中挥发性有机物质的主要来源之一。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。