株状的

An amidase from a strain Bacillus cereus ZJB-07112 was purified to homogeneity by using sonication, anion-exchange chromatography, phenyl-sepharose chromatography.

用一株蜡状芽孢杆菌新菌株ZJB-07112 ( Bacillus cereus ZJB-07112)发酵生产酰胺酶，经超声波细胞破碎、High Q阴离子色谱、Phenyl-Sepharose疏水色谱等步骤获得了凝胶电泳均一的酰胺酶。

A amidase from a strain Bacillus cereus ZJB-07112 was purified to homogeneity by using of the sonication, anion-exchange chromatography, Pheny1-Sepharose chromatography.

用一株蜡状芽孢杆菌新菌株ZJB-07112 (Bacillus cereus ZJB-07112)发酵生产酰胺酶，经超声波细胞破碎、High Q阴离子层析、Phenyl-Sepharose疏水层析等步骤获得了凝胶电泳均一的酰胺酶。

It was identified to be Bacillus cereus and proved to be able to colonize inside of tea-plant.

分离到一株能在茶树体内内生定殖并对氯氰菊酯降解效能高的菌株TR2，经鉴定为蜡状芽孢杆菌。

Individual plant can be amounted to high 35, 40cm, the bine is brawny, the flesh is qualitative, palm is Brown, old bine Chang Mu is changed character, there are the stipule of puce and cicatricle on the section; Xie Lu is lubricious, intimate circle, diameter 5, 8cm, the flesh is qualitative, luster, young leaf is a bit involute, gradually open and flat; Petiole shows aegis shape to wear be born at upside slanting in the center of blade, if form is raising small looking glass of one side face, on concentrated unripe bine, petiolar accident is differ, to all around extend, plump circle makes outward appearance of entire individual plant.

株高可达35—40cm，茎粗壮，肉质，棕褐色，老茎常木质化，节上有深褐色的托叶和叶痕；叶绿色，近圆形，直径5—8cm，肉质，有光泽，幼叶稍内卷，渐平展；叶柄呈盾状着生于叶片中心偏上部，形若举着一面面小镜，密集着生茎上，叶柄长短不一，向四面伸展，全株外观丰满圆整。

Isolates CNR-1 and CNR-2 were from Brassica napus; CNA-1and CRW-1 from Rhododendron simsii and Oxalis corymbosa respectively. All isolates grew well in R-2 liquid medium and exhibited contractive movements. The colonies of all isolates were circinal and grain-like in solid medium. Through electron microscopy, all isolates exhibited helicity during their growth phase. All isolates could pass through a 0.22 μm filtrate membrane and resist to penicillin (2000 U/mL). They must grow in medium with serum.

这4株螺原体在R-2液体培养基中生长良好，都能通过孔径为0.22 mm的微孔滤膜；在R-2固体培养基上呈圆形或颗粒状菌落，菌落直径约50~600 mm；在生长的某个阶段可呈典型的螺旋状，菌体直径为37.04~370.40 nm，长度约0.89~11.88 mm；它们都能利用葡萄糖作为碳源，不能利用尿素；在不含胎牛血清的R-2培养基中，它们都不能生长；菌株CNR-1、CNA-1能强烈代谢精氨酸，而CNR-2和CRW-1不能代谢精氨酸；在氨苄青霉素钠浓度高达2000 U/mL的R-2培养基中，分离菌株生长良好。

A bacteriocin-like substance producing strain T12 was screened from 212 lactic acid bacteria isolated from intestine of healthy pigs by paper disk test and was identified as Lactobacillus. The supernatant of T12 exhibited strong inhibitory activity against the gram-positive bacteria, including Micrococcus lysodeikticus, Staphylococcus aureus, Bacillus subtilis and Bacillus cereus. A strong activity was also observed against the gram–negative bacteria and some eumycete, such as Escherichia coli, Salmonella typhimurium and Fusarium graminearum.

通过滤纸片法从健康肉猪猪大肠、小肠中分离得到212株抗生物质产生菌，以杯碟法复筛，得到1株对溶壁微球菌、金黄色葡萄球菌、枯草芽孢杆菌、蜡状芽孢杆菌等革兰氏阳性菌和大肠杆菌、鼠伤寒沙门氏菌等革兰氏阴性菌以及部分真菌如禾谷镰刀霉均有强烈抑制作用的乳酸菌。

The fungicidal activity of methanol extract was higher than that of ethyl acetate extract, and the inhibition rates were higher than 90% against Alternaria longipes, Fusarium oxysporium, Gibberella zeae, Glomerella cingulata, Exserohilum turcicum under the concentration of 1000g/mL The results of the inhibition of spore germination indicated that the fermentation products exhibited obvious inhibition rate against Alternaria longipes, Exserohilum turcicum and Fusarium coeruleum, the EC50 values was 59.4g/mL, 96.5g/mL and 132.5g/mL. In the bioassay of the fermentation products against Bacillus sub tills and Bacillus cereus, by means of detection fo inhibition zone, the inhibition zone diameter was 20mm and 27mm. The results of pot tests that methanol extract showed higher than 70% of protective efficacy and therapeutic efficacy against wheat powdery mildew under the concentration of 2000g/mL.

其中，甲醇提取物的抑菌活性比乙酸乙酯提取物强，在1000g/mL浓度下对烟草赤星病菌、马铃薯干腐病菌、小麦赤霉病菌、苹果炭疽病菌、玉米大斑病菌的菌丝生长抑制率均大于90%；抑制孢子萌发法试验结果表明，2K3菌株菌丝体的甲醇提取物对烟草赤星病菌玉米大斑病菌和马铃薯干腐病菌的EC50分别为59.4g/mL、96.5g/mL和132.5g/mL；管碟法生测结果表明，2K3菌株菌丝体的甲醇提取物对枯草芽孢杆菌和蜡状芽孢杆菌的抑菌圈直径分别为20mm和27mm；盆栽试验结果表明，2K3菌株菌丝体的甲醇提取物在2000g/mL浓度下对小麦白粉病的治疗和保护作用均在70%以上。

A filamentous fungus was screened out from heavy metal wastewater and numbered YM32,which showed resistance to lead ion and high Pb2+ adsorptive ability,through primary identification it belonged to monilia sp.

从含重金属废水中筛选出一株对铅离子有一定耐受性、吸附处理效率高的丝状真菌菌株，编号为YM3-2，经初步鉴定，它为丛梗孢属真菌。

The characteristic in liquid culture of the purified strains were described, and the relation between the characteristic and the taxonomic traits was researched for the first time. The two groups of Myxobacteria differentiated according to the shape character of the myxospores and vegetative cells had different characteristic in liquid culture.

对纯化菌株的液体培养特征进行了描述，并首次依据初步分类鉴定结果探索了液体特征与分类地位之间的关系，即依据营养细胞和粘孢子形态将粘细菌划分成的两大类型中，第一类型(包括粘球菌属等7个属)的菌株在液体培养基中通常形成片状或絮状，而第二类型(包括单囊菌属等5个属)的菌株则主要呈现球形。

Ramets reproduced by ortets that grew in low concentration of Pb (below the tolerance threshold value) could grow in both the healthy habitat and low concentration of Pb habitat in linearity pattern. However, ramets didn''t survive in high concentration of Pb but grew in healthy habitat in phalanx pattern and the ortet grew in high concentration of Pb survived because of the ramets feedback.

在铅耐受范围中生长的源株子代能在所有生境中以比较松散的线状类型生长，但超过了阈值的高浓度铅污染生境中，植株子株不能生存，而在健康生境中形成密集型格局，并&回哺&源株，使其能勉强生存。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。