Agent resistance capability is good enough to resist general organic solvents ; it will not change in nature after being put into acid or basic solution for a long time 耐花性佳，对于一般有机溶剂均有抗化性，长期置于于酸、碱溶液中，也不容易产生变化。
The highly specific activity of bt insecticides might limit their use on crops where problems with several pests occur , including non - susceptible insects ( aphids , grasshoppers , etc . ) 专化性强，当几种害虫同时发生时对不感染性害虫如蚜虫和蝗虫不能兼治。使用受到限制。
Soil quality - biological methods - effects of pollutants on microbes - determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes 土质.生物法.污染物对微生物的影响.土壤中氮矿化性和氮化合性的测定和化学制品对这些过程的影响
All of these have proved that the " androgyny " students were influenced by the status of social development , although these students must be the same nation and in the same times 其中在女性性别角色刻板印象上存在的差异较多。由此说明在同一种文化背景下不同的社会发展状况影响到中学生双性化性度取向。
Generally , fluorine - carbon resin ( pvdf ) coating is spray - painted on the surface of fluorine - carbon aluminum single sheet , featuring extremely good antiweathering , anti - corrosiveness and anti - pulverization properties 氟碳铝单板的表面一般喷涂氟碳树脂（ pvdf ）涂层，具有极其优良的耐侯性、耐腐蚀性和抗粉化性。
He established the ontological position of rite by stressing " changing the nature through education " and held rebuilding a society ruled by rites by quoting law into rite , which shows a side of " being kingly outside " 通过强调“化性起伪”确立礼的本体地位，然后引法入礼、重建礼治社会，呈现出外王的一面。
In the third part , the paper brings forward four principles about main body , assimilation , feedback , effect and expatiated how to materialize these principles concerning teaching practice 针对这一现状，论文的第三部分提出了主体性、内化性、反馈性、效益性四项基本原则，并结合教学实践阐述了体现这些原则的具体做法。
In a mayo clinic study of 78 patients with keratinizing squamous metaplasia ( leukoplakia ) of urinary bladder , a total of 42 % of patients had concurrent or subsequent carcinoma of the bladder . benson rc , swanson rk , farrow gm 在梅欧医院{美}的研究中， 78例膀胱角化性鳞状上皮化生病人中，有42同时合并或以后发展成为膀胱癌。
The author analysis and summary in details the important physicochemical character of maifan stone , including mineralize , organism activity bi - directional adjusting character , decolour , and no poisonous character and so on 作者详细的分析和总结了对于麦饭石应用至关重要的物理化学性质，包括矿化性、溶出性、吸附性、生物活性、双向调节性，脱色性和无毒无害性等。
This so - called enhanced oil recovery process takes advantage of the fact that pressurized co2 is chemically and physically suited to displacing hard - to - get oil left behind in the pores of the geologic strata after the first stages of production 这所谓的激励采油法，利用的原理是高压二氧化碳的化性与物性，适于取代第一期采油之后残存于地层孔隙内而不易取得的石油。
